Your Twin Cam 88 Can Be Much More Than A 95 Cubic Inch

The solution for more power on a Twin Cam 88 has long been a 95ci bolt on big bore kit. But why settle for a 95 incher when the aftermarket offers bolt on kits all the way up to 100 cubic inches! You've got some serious options with bolt on kits that require no case boring. Fuel Moto, S&S and Revolution Performance offer competitive kits that make more reliable power than the Screamin Eagle 95 bolt on big bore.
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[@GixxerFoo]

Would you stay with a 95 inch kit or go with the 97, 98 or even the 100 inch Sidewinder bolt on?

[@anchorsaweigh9893]

As I’ve posted before I did do the SE 95 set up on my 2002 FXDL. I did add an oil cooler. The power is decent and the motor has been unbelievably reliable. I think if I was going to upgrade again that S&S 100 Sidewinder Kit looks mean and super easy. Also fairly cheap.

[@parkeslife4323]

96" Twin Cam plus Sidewinder kit equals 110"?

[@GixxerFoo]

The price of the S&S isn't too bad, it's not as good of a deal as the SE kit but it makes some serious power.

[@GixxerFoo]

You are correct, they make one for the 96 and you can bolt on 110 inches.

[@falfab68]

I'll run my 88" against any displacement Harley heads/jugs

[@thejerseyj9422]

We're living in a horsepower upgrade age that 20 or 30 years ago we couldn't have even dreamed of. Also, your channel focuses on the older motors and we get info here that is extremely important. Thank you.

[@GixxerFoo]

Right on! We're seeing horsepower numbers out of this 45 degree design we never thought possible now, well reliably anyway lol.

[@shizuokaBLUES]

This is a great channel, and your delivery is almost like listening to a good podcast. Rare. Subscribed.

[@GixxerFoo]

Welcome aboard! I just try to get the information out there all in one place!

[@derekv275]

Yep I put Gixxer on at work ! I've listened threw his vids a few times over now . Always excited for new content

[@100thAnniversary]

Hmmm I have stock jugs with a 95" bore, ported heads, Andrew's midrange cams and a MasterTune pro tune and I'm pushing 100HP and 110 ft lbs...

[@jasonbrown1811]

So I just did the s&s 100” sidewinder kit with 89cc super stock heads and Andrew’s tw55 cams, dynojet power commander 6 tuner with s&s 2-1 sidewinder exhaust. I’m at 7,000 feet above sea leave. I got 101 hp and 107 torque. One of the guys at work has a 2022 limited with a stock 114, I walk away form him.

[@Hey_You_Me]

What was the total cost on doing all that

[@barrylesnick2297]

Im doing the S&S 100ci kit with 585 easy start cams. What would you recommend for jetting on a CV carb?

[@no_more_nyce_guy]

Enjoy this video. Glad to see that us 88ci people weren’t forgotten about.

[@GixxerFoo]

Thank you, the 88 is the last of later design engines that you can still get a carburetor on.

[@stevenfergerson1485]

I enjoyed you video on the 88". I went with S&S Sidewinder 100" with screaming eagle 254E cams, at the time of the build the fly wheels were bad . They were sent out to Dark Horse crank works . They repaired them lighten& trued them .I put the 254E cams in myself .At the time of cams I had it on the Dyno, It tuned out at 79.7 hp & 80.5 ft lb of torq . It also had Fuel injectors upgraded to the 29 degree also fueling cam plate & high volume oil pump. I also put in the screaming eagle Sprocket compensator , the Harley variable pressure plate in the clutch in prep for the 100" . I don't know the what the out put is right now as I also upgraded the ECM to the thunder Max. I scared the hell out of a 117cu road glide one night would have smoked him but broke my clutch cable . I did this build on a 2006 Dyna Streetbob . my build is about a year old .

[@GixxerFoo]

You've got that bike done right with all the parts you got supporting the build! You got a lot left in there if you want a huge power bump by swapping over to an aftermarket cam from the SE you got.

[@mark2graves-MC]

I bought an auction 99 road king that appears to have a bunch of aftermarket done to it. How do I identify the heads, Pistons, pushrods, cams, etc to help me determine my starting point?

[@GixxerFoo]

Having no history on the bike that's tough, if there's not any visual identification or numbers you'd have to pull the engine down. The cam is likely marked, if you know what cam is in there you can make some determinations. The cam is going to be spec'd for certain compression ratios and engine bore size, this will give you some clues as to what has been done. You could run a camera down the spark plug holes and look at the pistons. If the pistons are flat top they are stock, if they have a dish they are high compression. But yeah, taking the motor down and measuring the bore, head gasket, and examining the heads to see if there is any porting is about the best you can do.

[@mark2graves-MC]

@@GixxerFoo thank you for the help! Sounds like I need a bore camera 👍🏻

[@jimsheldon3788]

As many older bikers have always told me, I'm 66yrs old. The higher you go, the faster it blows. I'm plenty satisfied with 2002 deuce twin cam 88 gear drive 61,000 miles and still running strong!

[@Anonymouso283]

Have you had to replace cam tensioner?

[@stephenfarkasovsky7954]

Everyone’s done that by 60k no doubt

[@stephenfarkasovsky7954]

Actually by 30 if your being safe

[@javiergonzales4324]

@@Anonymouso283it’s gear drive…. He said GEAR drive….

[@richardanderson4916]

Excellent comment!👍

[@bradballard2068]

I like the fact that you put the pricing in with these upgrades. Thanks again for another great video.

[@GixxerFoo]

Thank you! The prices vary quite a bit depending on where you decide to buy it from though too.

[@bradballard2068]

@@GixxerFoo I agree with you, I've been doing this for a number of years and I have less than 6 vendors that are extremely reputable in the aftermarket world. (It fits like it should and everything I need is included in the package) so I've learned I don't mind paying the couple extra bucks for quality and service. HD upgrades can be expensive and I can't tell you how many times I talk to people that have ordered stuff that didn't give you everything you need. Point being that's how some vendors can offer it at a less price. (That's been my experience) As far as I'm concerned you rank right up there with doc Harley. Thanks again for the great material you produce. I've enjoyed your channel for years now.

[@robbaar7035]

@@GixxerFoo S & S has a 100" Power Package Kit that in addition to the bolt in cylinders and pistons comes with TC3 oil pump, cam plate, pushrods with tubes, tappets and 585 gear drive cams for around $3,000. I'm not confident to do all of the mechanical work that requires. Would turn key labor for all this be around $1,000? Guess I need to find out from my local independant shop.

[@massoutdoors2221]

I just picked up a 2006 Road King. Interested in the 98" kit with 510 cams, my bike has a power commander v already. anyone know if the power commander will work with that type of setup?

[@GixxerFoo]

You might be able to get a map for that setup from DynoJet, but it's highly recommended to look at a Power Vision. You'll get a much better tune with that big bore kit and cams.

[@gregoryrose1931]

I have 02 Hertage softtail with Kerner two into one muffler! I got it at 26'000 now has 70'000 new starter and battery plugs wires all every done it it runs Great! Think am gonna go with SS 100 kit!

[@frankmarkovcijr5459]

People continuing to accept Harley crap ass quality will never make them get better as long as Harley-Davidson knows that its customers will Rectify all of their economic shortcomings in their Motors will continue for them to do so. On a five-year-old that you bought brand-new you should not have to do such major stuff to the engine. People should come down hard on Harley and crap is not acceptable in any way shape or form.

[@GixxerFoo]

They need some serious quality improvement, when they shifted to faster production and more volume that's when quality suffered.

[@davidoelrichs9574]

Watching your channel has caused me to spend a little bit of money. I have 2000 Heritage Soft-tail (carbureted) which started out pretty much stock. First I upgraded the cam plate with a Screamin Eagle setup and an S&S 509 cam set. To get it to start and idle a little better I re-jetted the carb and exposed the air/fuel mixture adjustment screw and adjusted that. I was somewhat happy with the results but like most Harley riders I thought I could get more out of the old girl. I then saw this video and purchased the S&S 100 kit. I had this installed by a credible Harley mechanic, he also sent the heads off for refurbishment and some porting. He also suggested installing Twin Tec ignition module and oil cooler which I have also done as well as a better air cleaner. It wasn't loud enough so put a set of Vance and Hines 2 into 2 pipes on it. With all that I'm still not very impressed with the performance. I haven't had it dyno tested, so I can't give any specifics. It starts good but I can tell a cam with a compression release would nice. Other than buying a bigger bike I'm sure what else I can do, plus my wife would kill me. I've also considered a Mikuni carb but can't handle anymore disappointment. Any Ideas?

[@GixxerFoo]

That bike well tuned should be around 100 horsepower and torque, you might go with a little more cam if you're wanting more out of it.

[@daleeaton1026]

I’ve been riding a used 88 I purchased four years ago. Last two years been pulling a trailer loaded with camping gear. No problems. Been to n west montana. Utah Arizona Colorado Illinois. Iowa. Wisconsin If struggled in high gear on steep climb. Just downshifted to fourth. No problems.

[@glentorgerson3496]

would you have any suggestions on a higher lift cams for a "06 FLHXI with the Harley 95" big bore kit installed, I run the Bassani true dual power curve exhaust with 4" Road Shark mufflers.

[@randymack1782]

i like big inch, BUT, i want tall gearing, for maximum range. i love using big motors, running lazily, giving crazy range. so far my best was a 58mpg chopper, set up for touring, 6 gallon tanks. i want to see 65-70mpg. someday. so light weight bike, with suspension, but big motor, tall gears, and ride, i was once a 40k mile a year rider.

[@GixxerFoo]

40K a year?! That's more than most cars see in 3 years!

[@jamesgrillo1653]

If you only want to do the big bore kit with fuel moto sending in your cylinders runs you about 700 bucks. That's them boring out your factory cylinders selling you the piston head and base gaskets and then return shipping.

[@GixxerFoo]

That's the best way to do it honestly, Hammer Performance does that too. Hammer's thoughts are they bore your cylinder out to the max, ride it till it's wore out, and buy some new twin cam cylinders for about $280 each. It's a huge savings over the kits just boring your factory cylinders.

[@mountaindew8042]

Well gramp 👴 said s&s. Grammom 👵 said harley. 🚶me as long as it got to wheels and starts .

[@mikeessary4925]

Only if you would enjoy it but you would do a killer podcast imo. I drive a semi and would enjoy listening for sure. Keep up the good work !

[@GixxerFoo]

Thank you, l appreciate that. I'll have to look into doing a podcast, l really hadn't thought about that before 🤔.

[@harleydave2316]

I just sent my 2002 Softail 88" cylinders and heads to Hammer Performance for a 98" bore and porting with a new carb ignition module and cometic gaskets. They do a great job and are a leader in sportster line work. Super stoked to get the parts back.

[@GixxerFoo]

Hammer does a great job on big twins too, a lot of people don't even realize they do work on big twins. They are reasonable to compared to these kits.

[@shizuokaBLUES]

Here in central Japan I found a place that might do this (now that I am FINALLY got all the problems in my 2002 88 sorted) but its pricey. Im curious how much that's going to run you Harley Dave. It's a matter of whether the high cost here is worth it or not.

[@GixxerFoo]

You'll notice a huge difference, it will be like a new bike.

[@omarsalgado9715]

@@shizuokaBLUES I do really like Sportsters, but, man, TCs do rock! For me, though no bike is an "investment", every penny spent on maintaining, upgrading or restoring any H-D motor is worth it. Sure, they're not the best engines out there, but unmistakably they have some sort of soul, like if they were alive.

[@GixxerFoo]

👍 that's exactly what is so much fun about working on and riding Harleys.

[@algentry1]

I think I'll cancel all of my other KZbin subscriptions. You have got my attention.

[@GixxerFoo]

😆😂👍 that's awesome! I still watch a lot of videos myself too, I like to compare opinions and see what others are doing as well too. Some I agree with and others I wanna know the who, what, when, why and how.

[@ПрапорщикЗадов-г7р]

В россии 88 твин кам боготворят!!!

[@dylanwright3161]

I’ve got a 95” and really wanting to figure out a 110” you have any ideas for bottom end ?

[@GixxerFoo]

To get a 110 out of that motor you would have put in the 4.75 crank, then you'd have to bore the cases to accept the 4.0 inch bore cylinders. May be a stretch on a set of 88 cases though due to the case thickness but a bolt on set of 4.0 inch bore cylinders made to fit a 103 should work.

[@johnriley8314]

MAN OHHH MAN.....I absolutely LOVE the HELL OUT OF YOUR NEW MOTOR SERIES VIDEOS BRO !!!! GREAT JOB----TIHIS NEWS NEEDS TO GET OUT TO THE PUBLIC RIDERS ,,,,SOME OF US ARE GETTIN ABIT UP THERE IN AGE ...LMAO---- BUT---- WITH SOME SMARTS--A LITTLE HELP FROM COUPLE BUDDIES--FEW BEERS--AND A FEW PARTS -TOOLS-AND A BIT OF KNOW-HOW....WELL THERE YA GO---YA HAVE YOUR 100+ Horsepower -N- Torque----WE ALL KNOW THAT TORQUE IS WHAT YA FEEL TOO !!!!! It's what pulls ya !!!!! KEEP EM COMING BRO !!!!! STAY SAFE --GOD BLESS---PEACE

[@frankmarkovcijr5459]

Meanwhile if you read the fine print none of these modifications our street legal. If your state decide to enact emission control test on your motorcycle you we'll flunk and then you have to put everything back to stock just to pass the yearly test. I knew guys in England and in Europe that would save to stock pipes and when the time came for them to have their mot done they would put the quiet pipes back on their motorcycles and then take them off after they passed their Mot.

[@GixxerFoo]

Yeah none of these kits are really street legal other than Screamin Eagle. We had safety inspections here years ago and we used to do the same thing switching back to stock pipes once a year lol.

[@walterfechter8080]

I like the Twin Cam B engines. They are pretty smooth-running; and beside a little parasitic power loss due to the counterbalancers; it can still become a reliable and powerful engine. I have a pal who has a Deuce. He had head work performed (Zippers) and cams (Zippers) and H-D's 95 cu. in. kit. A hydraulic cam tensioner was added. A SuperTrapp exhaust was installed. He and his wife have ridden the bike from Ohio to CA and it's a daily rider -- no problems whatsoever.

[@GixxerFoo]

Those B engines are awesome, the balancer system actually worked too well and caused issues with the transmission to fall between gears. They had to give it some vibration to help complete shifts. The loss is only maybe 2 horsepower at wide open throttle with balancer.

[@StreetMoney4158]

Can you put 103 jugs and pistons on the tc 88 ,and then cam swap to 510 so cam

[@GixxerFoo]

The case bore is smaller on the 88 so the drop on jugs won't fit the 88. You'd need to go with 95 inch cylinders and then a stroker crank. The 100 inch drop on kit the biggest one out there for the 88 with the stock crank.

[@andershansen5565]

Hi, got a 03 electra glide standard, i want the S&S 100" sidewinder cylinder, will 103 SE heads fit to this set up ?? Runs S&S 509g cams

[@GixxerFoo]

Yeah they will bolt up and they actually flow a lot better, even the stock 103 heads would be a big improvement. The 100" kit is made to work with the stock 88 heads so the 103 heads will bolt right on, you'll just have to use late model flanges on the intake. You can plug the ACR's or wire them to the starter solenoid, maybe put some manual ACR's in there if you want.

[@enricomandragona163]

I have a Early production 04 Road King custom converted to a stripped Classic. Carb motor CV 44 woods needle. SE manifold. S&S air cleaner back plate kit. 203 cams with Upgraded cam tensioner and cam plate & pump & bearings. I wanted to do heads however all the heads had too much running compression. SE ignition for cams and big bore kit. Now Harley has Factory ported heads that keep compression stock as 203 cams need to stay under 9.5 static . I feel this is a good upgrade for 88 or 95 milled motors. I really comes on around 60 mph. However t don't do much hyw driving. I don't want to have to upgrade my starter as it is sensitive to hot starts sometimes. I'm running a oil filter billet cooler which looks cool lol. Any thoughts 💬💭

[@gregadams3840]

I'm at 40,000 miles on my 2000 Heritage Softail twin cam 88 cam tensioners look brand new check them this spring

[@GixxerFoo]

That's awesome! Not every 88 with spring tensioners will do that!

[@Old940]

Had Kevin Baxter build my 88 to a 117 on my trike conversion. It runs great down the interstate at 70 & 75.

[@GixxerFoo]

Kevin Baxter builds a damn good motor, I would trust that guy all day every day. I bet that trike flys now!

[@rickgilman2634]

what about the fuel injection? I was told when adding a big bore kit the fuel injection is a bitch to tune.

[@GixxerFoo]

It's not too bad, usually they will send a base map for your tuner (usually Power Vision) that will get you rolling and then you can get a good dyno tune from there.

[@GPgman]

My 2002 Dyna has the 97ci kit with the 510 cams and ported heads and runs like a MoFo. I’m currently doing my 2004 softail with the 98ci kit with 510 cams and head work. I can’t wait to see the difference between the two kits. Both bikes are carb bikes.

[@GixxerFoo]

You throw some head work in there like you've done and they will easily break 100hp. That's better than the average on any of the 103's out there.

[@paulfiore7083]

I just bought a 98" kit from Zippers. I'm going with 9:5-1 compression and head work. I was concerned with how thin the skirts are. Will I still have good reliability going from an 88 to 98 inches? I've got a new SE cam chest and high flow oil pump, Jagg cooler, Mikuni 42 mm carb, K&N, Supertrapp 2:1, SE .510 cams and gear drive on my 01 FXDX

[@GPgman]

@@paulfiore7083 I think you’ll love it

[@jamestorregrossa3041]

I do believe I will be divorced if I watch much more of your wonderful continent

[@GixxerFoo]

Lol this is what my wife has to put up with, I am always looking at new parts too!

[@sacredforest997]

This guy is great. But the viewers commenting on all these videos are so valuable. So much knowledge and experience I feel like I know more about Harley’s than most Harley salesmen these days btw I went to Harley the other day and I talked to 2 kids who didn’t know know what a twin cam was 😂

[@GixxerFoo]

You gotta be kidding me? I mean I am not shocked, but still they are selling Harleys and didn't even know what a Twin Cam was? We share a lot of information back and forth in the comments here!

[@johnreeves5914]

Better beef up crankshaft and bottom end..... Trust me

[@GixxerFoo]

The stage kits do pretty well. Just don't beat on it all the time.

[@eddiebones20]

Can attest to this. Wasted time and big $$$$ on 100" kit.

[@josephroy4132]

I already encountered my first issue n the break in...may have a lil too much torque id like to believe...but honestly idk what happened..my pulley broke..all 5 screws..so ima drill n tap or "ez out" ....this thing is a monster...i ran down a stock m8 114 breakout ..i need a tune now. My ecm is locked with tts master pro...what can i donto start fresh get a new ecm..btw im the guy with the screaming eagle 103 with mild worked heads 543 reaper cams domed pistons fueling oil pump amd camplate...im unsure what to do next. I may be thinking too small...why not 124 if im have to crack the cases anyway..

[@chopperchopster]

hey if your all about HD why do you call yourself GIXXERfoo? GSXR is the gixxer. Suzuki. Just curious. I love those gixxers and busas!

[@GixxerFoo]

Lol I used to ride a GSX-R 1000 and was in a local sport bike club, the name just stuck with me over the years as we all aged and got into Harleys.

[@ede6539]

Great vid my 99 RK stage 1 true duals chain started rattling on warm up today ! Thinking about 100 SW how many hrs labor with gear drive would you estimate ? It only has 38k mi anything else i should know or do? Thanks

[@GixxerFoo]

It depends on your crank run out, being a 99 it has the Timken bottom end so that likely wouldn't be an issue. But a top end and a cam chest, a high estimate with a qualified tech maybe 8 to 10 hours.

[@danchristopher7957]

Having a stock 2000 FXDL with carburetor; not FI will my carb being re jetted support 100HP???

[@GixxerFoo]

Oh yeah, with a proper carb kit installed 100 horse will be no problem. Even with just jetting changes it will support 100 horse.

[@12131AllDay]

Thinking about getting the S&S power pack kit for my 88. I got the bike looking the way I want and have the Bassani RR3 with the Arlen Ness monster sucker already. Hoping for good results. Not positive but I believe the 100 inch sidewinder comes with the power pack

[@GixxerFoo]

That kit will transform your 88, the short stroke of the 88 makes for one hell of a motor once you get them worked over!

[@12131AllDay]

@@GixxerFoo what’s a better cam for my 88? The 509 or 510?

[@hermanbrown4786]

My friend I would like to thank you, you have save me money dealing with my 2006 Road King 88 engine. I have owned four HD from 2006 RK, Electric Guilds to two Harleys Trikes 2016 and 2018. I still have my 06 Road King and of all the bikes I stated a second ago I love my 88 more then the others. I still have the 06 RK because I still LOVE the American Dream, about a month ago I traded my 2018 trike for a Honda Goldwing DCT, and my reason for the trade is because I was so tired of investment of my money into two bikes with the problem being the M8 not the 88 RK. I want to travel Long distance without the worry of a HD brake down. The RK is for small short trips around town and the GW is for long distance trips. In short and again thank you for your information that is power to customers owners of HD products, other upgrades products and last I STILL LOVE HARLEY-DAVISON MOTORCYCLES

[@GixxerFoo]

The Gold Wings are no doubt reliable, those things run forever. The Twin Cam 88 is a very reliable motor, Harleys really aren't all that bad if you just keep with them and make sure they are gone over really well.

[@hermanbrown4786]

@@GixxerFoo Thank you, may God alway keep you and your family safe and God Blessing ALWAYS 🙂

[@Two-Dads]

In the real world how would the 100ci kit ride? Going by the dyno chart need to be doing almost 4k revs before producing the same torque as stock, though the stock is dropping off from there?

[@GixxerFoo]

With the right cam setup it would run pretty hard. Large displacement increases with the right cam setup can will produce big torque in a hurry. Especially with the short stroke of the 88's crank.

[@petebrandstrom1038]

You should really investigate the Fuel Moto kit. Everything you need to do it right. I’m torn between boring my cylinders vs buying cylinders

[@GixxerFoo]

The FuelMoto kits are really nice, they cost more but you get everything you need in one place. Boring cylinders with the right parts works very well too!

[@drewzerbe]

Question. I thought I heard you say the Fuel Moto cylinders had more cooling surface/fins early in your video, and then at the end you said S&S. So did you misspeak? Do they both have that feature? Am I a poor listener? Lol Thanks for the breakdown and information!

[@williamrizzo1285]

I did the SS 97 inch and Delkron heads with Feuling camchest 90 hp 95 tq

[@GixxerFoo]

Those are some pretty good numbers! What compression ratio did you go with?

[@williamrizzo1285]

@@GixxerFoo should be 10.1

[@johnk815]

No references to us carb guys. Lol and I’m running Martin Bros pipes with cheesy 4” baffles which aren’t coming off. I’m guessing my HP and torque will be a bit lower.

[@GixxerFoo]

It will be a bit lower but if you stay on the throttle it won't be a problem.

[@murphmurphy9877]

I want 100hp and I have a 88tc fatboy with 60k miles on it what do you recommend

[@GixxerFoo]

You can get there with a bolt on 95 and using a Wood Cam. Depends on your year and if you're carb or fuel injection. Bump the compression to 10:1 with some mild head porting and it will bang out 100. 100 horse is a great number for Twin Cam, plenty of power and reliable.

[@MAC-co4cr]

I'm hoping you will see this I'd like to try to talk to you about my 0288-in I've had some work done to it keep blowing head gaskets and rocker box gasket keep leaking I've had it in two different shops one with the dealer and really really had a bad experience of both in about out of money to spend on this thing is there any way to contact you so I can talk to you to tell you what's going on and what I've got in it appreciate everything you do man thank you

[@GixxerFoo]

I've got a contact email listed on my contact page, it sounds like you'd either need to go with some Cometic gaskets and or you could need some machine work done to resurface those mating surfaces.

[@MAC-co4cr]

@@GixxerFoo yeah I talked to another engine builder he's pretty good distance from me but comes highly recommend it told him what was going on and he kind of said about the same thing but it's going to be about 3 weeks minimum before he can even get it in the shop so I'm going to wait on him maybe I'll find one that finally knows what they're doing and thank you brother I watch everything you put out

[@budgreene8142]

Hey Man! Thanks for the information on fuel Moto!. I just realized they are 14 mi away from my house. I have a 2005 deluxe and I'm stopping there tomorrow to have them put their 98 in big bore kit new cam plates with wood cams and do a dyno tune for me. I'm ecstatic about having a place I feel I can trust take my 88" to the next level.

[@GixxerFoo]

Right on! That is awesome! You're very fortunate to be that close to those guys, they have a stupid amount of dyno tuning and experimentation to perfection on their kits. You're going to have one bad 88 when they get finished there!

[@theghostrider9964]

I'll keep my zippers 95c.i kit. 577 cams, S&S pushrods, lifters and gear drive cams. Larger intake & injectors and a Thundermax tuner. Definitely tire shreader😎

[@GixxerFoo]

Dang that's a hell of a setup right there, that's gotta be a handful if you get out of shape.

[@harryhager4128]

Have that Zipper 95 kit with the 577 cam (ThunderJet equipped S&S G carb version) on my '99 Super Glide Sport, dyno 106.1 hp and 104.0 ft-lbs with S&S slip on mufflers. I haven't had it on a dyno yet with the Vance & Hines 2 into 1 exhaust set up on it now.

[@rickwilson7968]

What have they done for the 2006 twin cam primary drive bearing issue? Thanks.

[@GixxerFoo]

I believe it was upgraded when they went to the 96, the parts numbers changed with the 96 but that doesn't tell us a whole lot.

[@johnvincent4555]

What else is needed besides this big bore kit? I’m asking because I have a 06 twin cam with 77k miles. It is bone-stock, even the exhaust is stock (yeah, I’m a weirdo). I’m torn between trading it in or freshening up the motor but I don’t want to change the exhaust or spend lots of $$ on other work. I would like a little more power (who wouldn’t?) but I don’t need 100+ HP. What would you recommend?

[@GixxerFoo]

You could freshen up you're too end and keep your stock exhaust. It won't make the ass advertised power numbers but it can certainly be done. Just clean your heads up real good while it's apart and put it back together.

[@tl5108]

Man id open up the exhaust a little bit and put a breather kit to start. Engine work is kinda pointless if your gonna choke it up at both ends

[@GixxerFoo]

It will produce some really good torque with the stock exhaust, just not a lot of horsepower.

[@Hoglife]

I love my 88 v-twin,even running motor with great balancing and also decent power but seeing this vid makes me want to jump to the 97,I’ve got 25,000 on my Heritage Classic(03),100 year anniversary

[@jamiemaurerbear]

with the 100 inch Sidewinder bolt to a 88, on do need to add a upgrade clutch?

[@GixxerFoo]

It's never a bad idea to upgrade to heavier spring or centrifugal spring assist. A stock clutch with some miles on it may actually slip, especially depending how you ride. If you got the cash get a good clutch basket and go all out!

[@mraycgz]

All pretty tempting, but I can imagine bolting all that up to the old road king and watching my 70,000 mile drivetrain get eaten alive. But 100 horse for less than another $2000? Tempting.

[@GixxerFoo]

Your gear set should in the transmission should be alright, upgrade the clutch for sure and maybe a Dark Horse compensator eliminator. Replace engine bearings along the way, as long as you're not drag racing it would last a long time.

[@heraldlee8112]

Would be nice for my 04 deuce. Change my cams already like to do the stage 3 kit now

[@GixxerFoo]

If you've already got the cam all you need is some pistons and cylinders.

[@jacjlandis2743]

Harley stock heads can't breathe for nothing ported heads will bring more life to your engine than you can ever imagine

[@GixxerFoo]

That's been a serious draw back on the twin cam for sure. Also the low stock compression doesn't help either.

[@-MrRichBiker1967]

I got a question for you I had Andrew 37g gears, put in a 2005 Harley Davidson 95 cubic inch motor and it sounds like a diesel truck. Allowed clapping I asked my Indie he says that's how the cams run? Is he bullshitting me or or the gears usually loud? I'm running Lucas 2050 synthetic.ty in advance

[@-MrRichBiker1967]

I meant to say a" loud clapping".

[@GixxerFoo]

Gear drives are noisy, they have a mechanical whining sound like a supercharger.

[@afghanyeti]

Harley is the only internal combustion company that builds a motor with no horse power......sad. AND I own a 05 FXSTDI😁

[@aa3nk]

There are several deals available doing the big bore kit, as of June 2022, that seem appealing. I have done the S&S 509G upgrade and am now considering whether to go with new cylinder heads or doing the bore. 97" is under $1,000 and 100" is just wee bit over that. My bike is a 2003 FLHTCI with 26,000 miles on it. I am willing to put another couple of thousand dollars into it just to increase reliability for a cross country trip. It has plenty of power and torque, for an old guy! I can do all of my own work. What do you think, new cylinder heads or the big bore kit?

[@jeremyedwards1427]

Lol 11 degrees the other day... I think that's about my limit. Ty

[@GixxerFoo]

11 degrees?! Yeah l think l am out on that too, bike will run cool though.

[@paulkubas4700]

I have an 2003 softail bored to 95" and 509 cams. I got 4000 miles on it until I tweaked the crank or counter balancers. That being said. I'm tearing it down now to get the bottom end rebuilt to include true, balance, weld, and plug crank. Also timken bearing conversion and rebuild of the counter balancers. Question... since I'm splitting the case I am considering boring the cases to accept 107 cylinders while keeping the stock 4" stroke. What is your opinion on this. What cam/head combinations work well with this 107 setup. Or would you stay at 98". Thanks.

[@GixxerFoo]

The 98 inchers make great power and you don't have to bore the cases, just my opinion but 98's will run right up there with a 107. If I was going with a 107 I would go ahead and put the bigger crank in to get the most of it. You've got a good set of cams, Hammer performance can do a mild head port with a 10.5:1 compression setup in a 98 that will scream.

[@paulkubas4700]

@@GixxerFoo Thanks. And I'd save money too.

[@paulkubas4700]

Yeah. I dont need much more power. That's how I broke it. Love the torque.

[@mikelovestoride2367]

The 510 would be a better cam with the 95" the 509 is for an 88 and is a milder cam than stock, look at the intake closing #'s

[@paulkubas4700]

@@mikelovestoride2367 I've been tossing the idea of 107 full bore build since I have to have the crank and counter balancers worked. But after reading up on case boring I don't think I want to go that route. I could go for an s&s stroker crank and get more cubic inches that way. So I'm either gonna do that or stay 98". Stock 4" stroke. I bought a set of 2009 cylinder heads I'm gonna get worked to fit my compression and cam choice. I really think if I go 98". Head work. Cams. And 10:1 compression I should have a pretty good running reliable machine. Again, I'm not into wide open throttle big hp numbers as I dont ride there. I want my power in the usable range say 1200 to 5500 rpm. Any comments?

[@camachotr6546]

I decided to go with the 98 S&S kit but i dont know what cams to go with can u help me out. Thanks

[@GixxerFoo]

What compression are you looking at running?

[@hugoramirez7168]

I have a 2003 dyna fxdl and thinking of doing a big bore kit. I was looking into the 100cc power package but I’m not sure if the engine would be able to handle that. My dyna only has 2300 miles on it , is it to early to even think of a big bore kit ?

[@GixxerFoo]

That's prime time to get one done since your low in miles on that bottom end. Are those original miles on the bike or was the engine rebuilt and those are engine miles?

[@hugoramirez7168]

Original miles , I got her out the show room in Pennsylvania with 831 miles 20th anniversary dyna low rider

[@GixxerFoo]

That's incredible, Low Rider has always been a favorite of mine. I can't get over it only has 2300 miles.

[@hugoramirez7168]

I was in the market for a dyna low rider for a while and found one in jersey with 7k miles 03 tc but it was sold instantly and then came across the one I have now so I jumped on ASAP.

[@hugoramirez7168]

A cousin of mine has a 02 dyna low rider and he has motor work done to his , I think he has a 95 big bore kit in it now

[@jaycosta7204]

I own a 2002 Fat Boy TC88..great chanel and info. Keep up the great work. Subscribed 🤘🏻

[@GixxerFoo]

Very nice! The 02 was the last year of the Timken bottom end too!

[@jaycosta7204]

@@GixxerFoo, go to my page and check it out. I have Vance & Hines big shots and Arlen Ness Monster Sucker 🤘🏻

[@donwaltman4276]

It's been 22 years since HD installed timkin bearings?? I think they forgot what they are for!​@@GixxerFoo

[@aceseightscustoms778]

My 88 with a carb draw through turbo and methanol system is woke AF!

[@GixxerFoo]

Now that's one insane ride!

[@Nowherenotime]

Good day Great Channel 👍 I am planning to get a play bike after 10 years out of the saddle my age is 65 My rides will be under 100 to 150 km. I am mechanical inclined and built many metric sport bikes Looking at my old favorite shovelhead or a newer Evo bike around 2005 What is you recommendation Thanks in advance

[@vdblu77]

I was looking at the "S&S 100/110" POWER PACKAGE FOR 1999-2017 HARLEY-DAVIDSON BIG TWINS" for my 88". It has everything I think I need. Upgraded oil pump, cam plate, and I really like the gear cams over chain. What do you think of this upgrade?

[@GixxerFoo]

That's an awesome package, the gear drive system is very dependent on the shaft run out being in spec, .003 or less 😬. The gear drives are awesome and worry free, expensive upfront though.

[@bodeine454]

@@GixxerFoo I would be hesitant going with gear drive cams on the twin cam 88 without upgrading to a new welded crankshaft or having the factory crankshaft trued and welded, I hear that even if the runout is within .003 that it may not stay there. I think I would feel uneasy about them on a stock crankshaft.

[@GixxerFoo]

If the run out is within spec when it's installed l really haven't heard of many failures unless the run out just became atrocious. But by that time you've got some really serious issues.

[@goodboyringo9716]

GixxerFoo..... You may know the answer to this question ..... If only pulling the heads on a twin cam , would I need to change the base gasket on the cylinder ? some so yes but theres not much info on this. I would love to pull my heads without pulling the cylinders , some people say the base gasket / o-ring won't last

[@GixxerFoo]

That's tricky, it's going to be a risk depending on the age of bike and how long they have been on there. It's a good amount of work to get the head off and then back together only to have a base gasket start leaking. Personally if it's got some age and miles, I would go ahead and freshen up all the top end gaskets and change the base gaskets while I was in there. It's one of those deals that sometimes you win, sometimes you lose and have to go back in.

[@goodboyringo9716]

@@GixxerFoo ..... The bike is a 2000 Road King with 27,000 miles

[@stevenward3977]

What would you recommend for injectors for 100 hp harley motor

[@GixxerFoo]

At 100 horse you're good with the stock injectors, once you start pushing the motor up over 110 that's when it's going to be time to start looking at a bit larger injector. Too big of an injector can do more harm than good, here's a video about injector sizing that explains more kzbin.info/www/bejne/hpLMhIGco7GZqcU

[@sharonparker4595]

Question...I have a 06 wide glide 88 efi. about 18k miles on it. I bought it used and don't know if it has work done other than what I can see. The shop that did the work has long closed and I cant seem to get any records. Screaming eagle pipes staggered and screaming eagle intake on it. I assume it must have gotten a tune. I would like to put on the SS 100 sidewinder kit that comes with cams for high torque. I really like the idea of 100 hp and 100 plus torque. I'm not a racer by any stretch just a cruiser but I'm kind of over my friends pulling away from me with their Road kings, Street glides and Road glides. I mean I am 100 pounds lighter right? So I also like the sound of the screaming eagle pipes on it (amazing sound) and don't really want to spend extra money on 2 into 1 exhaust if I can help it. How much torque would I be giving up to keep the exhaust? Is that ok or do I really need to change them? Also do I need new cam tensioners and an oil cooler for this upgrade? What would you do to kick it up to this decade without breaking the bank and also keep the reliability? Also do I need to also get the frame brace or replace the engine mounts if I add torque- or can the old frame handle it? And how much about would I have to pay in to get all this work done?

[@GixxerFoo]

You wouldn't really give up much if anything with the SE exhaust of that era, with the factory header it's really the best of both worlds. You get the sound of a 2 into 2 with the power of a 2 into 1. 2006 Dyna already has the hydraulic tensioners, they only did that on the Dyna that year. The cases are basically 96 cases with a bore for 88 cylinders and the heads are what basically later became the heads of the 96. Great year for the dyna! The 100 kit will drop and you'll want a good cam too, S&S 585 is a good Dyna cam or a Wood TW-555 is a killer Dyna cam. Hard to say what it would cost but the 100 kit about 1200, figure about 3 to 400 for a cam. Labor l am ball parking 2,000. Gaskets, oil etc, 300, and a dyno tune about 3 to 400. Total ball park guess l would say ridiculously high 4500. But indy shop with a can tune maybe around 3500.

[@sharonparker4595]

@@GixxerFoo Sorry for my ignorance but what is "indy shop with a can tune?" Also my bike got the heavy-duty fork springs and new Ledged shocks in the rear. It has not ever wobbled -had it up to 85 few times. In your opinion will the extra torque flex this Dyna frame and create a wobble?- I read stories about that possible wobble- I have no problem-but I do not want to create a problem either.

[@chrish5791]

GixerFoo, you mentioned easier starting regarding cams with the S&S kit. Would you review the S&S Easy Start cams that they have available that are supposed to make large cube, high compression engines easier to start and easier on the starter?

[@wmdoak4715]

Hello I have a question, I bought a 2004 road King with the twin cam 88 did the 100 s&s kit put 1140 miles on it it lost power and started knocking on rear cylinder when I bought the bike it only had 21,000 miles on it. The shop that did the work is telling me my crank is broken. My question is would my crank break with so little miles, I never took it over 3000 rpm during break in, would like to hear your opinion thank you. Great videos!

[@GixxerFoo]

Thank you, I appreciate it! It's highly possible the crank gave out, what kind of compression did you go with? The crank could of been on it's way out and the addition of the 100 inch kit finished it off. That stinks, have they tore it apart and looked at it or just told you the crank broke?

[@wmdoak4715]

@@GixxerFoo Hello the shop just sent me pictures of the Pistons, they told me it overheated, Pistons were copper in color. Don't know how this could happen break in mileage was all highway or back roads. They are saying warranty don't cover overheating. My first Harley experience ain't going to well.☹️

[@wmdoak4715]

@@GixxerFoo These guys also told me they were doing 10 minute heat runs do you do that with a s&s? Thanks for previous reply

[@kaantuncer7884]

what about the compensator , fuel pump and oil pump? will they feed or be storng enough to cover that power change ???

[@GixxerFoo]

It's not a bad idea to upgrade the oil pump, the fuel pump and injector size will cover the displacements fuel needs. Compensators on the 88 were strong, the only issue from the factory was on the 96 for a few years.

[@kaantuncer7884]

@@GixxerFoo i have one of those faulty compensators. Pain in the arse

[@tylerwilliams8853]

I have a 2004 softail springer with an 88 TC. I'd love to put one of these aftermarket kits on there. Thanks for al the information, brother

[@GixxerFoo]

Glad to help!

[@drwombat]

You seem to know a lot about these motors... i came across a comment made by another youtuber that threw me for a loop the other day... he said (and he may just be retelling what the HD repair tech told him) that the TC motor he had (cant remember if it was an 88 or 96 but a TC motor nonetheless) failed catastrophically due to cam bearing walk and was told that the bearings could not be removed the whole crank case had to be replaced. this kinda sounded like a bold face lie to me because i've seen bearing puller tools and even watched several videos of bearings being pulled. Perhaps the tech was either conflating the fact that it couldnt be pulled bc it had already failed and needed a new crank anyways or what... but i've always known these bearings to be able to be inspected/pulled/replaced as needed. Any thoughts?

[@GixxerFoo]

What he said is true in a extreme case, it is possible with a cam bearing failure that it can damage the cases. If the cams walk and unseats the crank bearing they can wollar out the cases where they are pressed. A good machinist can do a lot with a set of beat up cases but by that time it would cost as much or more just to get a aftermarket set that's better than factory. The same thing can happen with the crankshaft too. It's a very rare thing to see but it has happened.

[@drwombat]

@@GixxerFoo gotcha so this is a unique situation and under other circumstances without cam walk, could the cams or cam bearings be inspected for run out like the crank and removed/replaced prior to catastrophic failure?

[@GixxerFoo]

@@drwombat Absolutely, with a cam swap it's just cheap insurance to go ahead and change those bearings out and go to a much nicer after market bearing. Bearings do fail, due to age or manufacturing defect but it's not often, they will normally last the life of the engine. Sportsters don't even use cam bearings, they have brass bushings and they last the life of the engine as well.

[@STONEDARTphotos]

Dollar for dollar I went with Hammer Performance. 98 in. mild cam, mild porting, 9 1/2 to 1. V&H Shorties, Dyno Jet tune. HP and torque just over 100hp. 05 Softail very quick.

[@GixxerFoo]

That's the way to do it, not a lot of people know Hammer does work on big twins. They are really known for their Sportster exploits, it's a huge savings having them bore your cylinders like that. I like that they are up front about boring to a 98 being a one time deal, a lot of places won't tell you that.

[@garychandler4296]

@@GixxerFoo Why not just bore to a 96", leaving headroom for the next rebuild? 'Course, I'm financially strapped and ride a LOT.

[@GixxerFoo]

That's actually very cost effective and Hammer Performance has a really good deal on bore jobs for Twin Cams.

[@KarlLightfoot]

What cam did you end up using?

[@jmac6242]

Good video and great info. Thanks !

[@GixxerFoo]

Thanks for watching!

[@Dbiker75Tex24]

On the 100 inch kit do you need to replace the cam plate oil pump and bearings ?

[@GixxerFoo]

You don't absolutely have to replace them, you can run the stock units but it's not a bad idea to upgrade if you can swing it.

[@JasonMcCrea-l2o]

I went with the S&S 100” kit with S&S heads…..super G carb and the V&H big radius exhaust……had to upgrade my clutch as well along with the ignition.

[@arniepries6480]

what about the bottom end? How will this extra HP and torque affect the crank?

[@GixxerFoo]

It won't hurt the crank, if you ride it sensibly and not beat on it. It's just like anything if you take care of it, it will last many years and miles.

[@frankflstf]

Gixxerfoo you have a great channel with the best information available 💪🐐👍🔥 Thank you for sharing your knowledge bro

[@GixxerFoo]

Thank you! We greatly appreciate you taking the time to watch!! I love to put it out there and be honest and straight forward about it!

[@sugartittz]

Hey nice video I've watched 3x now lol wud.they 100 kit work well with 509 cams?

[@GixxerFoo]

It would work very well with those cams, it's a bolt in and it will take advantage of the added displacement.

[@sugartittz]

@@GixxerFoo thanks for reply. I split cases and up graded to timkens. Is a diff oil pump a must? Or factory one ok?

[@vtwinpower1903]

I did a S&S106 stroker on mine n 55 throtle body . N she made 95 hp 110 torque to back wheel

[@caioffurtado5520]

Why do teu refer as 95 ci and not 96 ci?

[@GixxerFoo]

The stroke of the 88 is shorter than the 96 inch motor, when you add the big bore cylinders it becomes a 95 with the 88's crank.

[@mcozpda3392]

good explanation, I have an 89 fxr .. and I planned to put an 88tc on it .. and I see the advantage of reaching 98 in the future .. greetings ..

[@GixxerFoo]

Why do you want to swap the Evo out of your FXR?

[@JC-uq7tp]

Im thinking about buying a ‘01 flhrc w/13,500 miles one owner. Would I be good to ride it a while before installing the hydraulic tensioner kit? Or do I take the cover off and inspect as soon as I get it home regardless? Thanks for the info I’ve learned a lot

[@GixxerFoo]

If it were me, l would pop the cover and check it out. That inner tensioner is hard to see, you can get a peak at it with a inspection camera though. Those chain tensioners are such a dice roll as some failed so early and others went 50k. I know l would sleep better knowing where they are for wear.

[@rgh622]

A tip on peaking at that inside tensioner shoe. Use a dental mirror, you know the little round mirror on a stick? If you pull the shoe back and pin it in place you can use a flashlight and mirror and have a good look at the wear pattern. See here: kzbin.info/www/bejne/Y57ScquHpJxgZ7M

[@nickstout3630]

Love your channel brother.

[@shaunmiller9364]

Would you feel safe recommending one of these kits for a 06 Electra glide ultra classic ? Feel safe with out doing bottom end? And which can if not included in kit do you recommend . Right now I’m stock besides slip ons and a air intake kit and a Vance and Hines Fuelpak. I just bought the bike about a month ago 41,000 miles on I do have a warranty on the bike .

[@chandlerpaden8106]

Trying to determine what size head to get with the 100" big bore kit with the 586 cams. What would your recommend?

[@GixxerFoo]

That really depends on the compression ratio you're looking at running, do you know what compression you're shooting for?

[@jman6970]

This is the exact video I was looking for. Thank you!

[@GixxerFoo]

Glad it was helpful! I hope you found the information you were after!

[@jayscorner5387]

Really Enjoy the details you have in this video. Will you be making any more video on the Hammer Performance Products such as the 1275 kits with 560 or 570 cams.

[@GixxerFoo]

I definently can, you add a cam to those big bore kits and that's really a power party.

[@buddyluvism]

It’s like your reading my mind... I’ve been meaning to ask you this exact question...thanks for the info...I’ll keep you posted on my build

[@GixxerFoo]

That's awesome! Please do, keep me updated on your progress.

[@markfalcon5949]

Hey Gixxerfoo, My ride is a ‘01 RoadKing Classic. Cams, pushrods, true dual exhaust, and I believe cam chain was swapped out and if my memory was better it probably includes some other items. Liked this video quite a bit, and it will go into my library. Although age is becoming a factor.

[@hughtuller6344]

I have a 2003 FXD Superglide. Put the S&S 100 kit in along with Screaming Eagle heads and 50 mm carb. It has been ten years now, and the bike still rips with absolutely no problem. It is a solid combination.

[@GixxerFoo]

Generally you would think bolting on a kit like that is going to decrease reliability. My opinion has always been just the opposite, if you keep it reasonable. Now if you put a monster cam and insane compression that's where it gets iffy.

[@hughtuller6344]

@@GixxerFoo it has a 625 cam kit, and Darkhorse flywheels. Lots of work. I don’t go crazy with it, but enjoy the power.

[@GixxerFoo]

Whew... damn. It's definently got some work, more than enough to get in trouble!

[@Robbiejames420]

Anything screaming eagle is the great value version of Harley Davidson parts

[@leudwigvonshwartsenhelm3624]

Think it's time to change your handle.

[@GixxerFoo]

Lol it's getting to that point.

[@DeadRoman]

Bottom line. Better heads, Cam, intake, exhaust will get you the best results.

[@GixxerFoo]

Don't skimp on the parts!

[@DeadRoman]

@@GixxerFoo i went the absolute least cheap way and bought a road glide st earlier today lol.