Turbo Predator 670 Dragster Gets 2 Step & Wheelie Bars! New Quickest ET, Breaks Drive Chain

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Our Turbo Predator 670 dragster returns for another round of upgrades. In today's episode, we install wheelie bars and 2 step launch control on our slingshot rail car. The Harbor Freight Predator 670 V twin engine is making serious horsepower thanks to the turbocharger, methanol, performance parts from Performance 670, and the Haltech Elite 750 ECU. We went as quick as 7.11 at 91MPH in this episode, making it the quickest pass yet!
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[@CarsandCameras]

Check out Tilly Tap Track, the new karting arcade mobile racer here (featuring your favorite folks from C&C 😉) bit.ly/3Xq5OXR

[@michaelfowler8289]

Try using permatex Indian Head it has been around and used in the beginning of motorcycle and Flathead engines or engines period in the early 1900s Hughes with copper gaskets to begin with but works well with other gaskets also permatex also makes what they call a copperhead spray head gasket rebuilder and 😮😮😮😮😊😊😁👍😎🤠🤔✌️😉🙊

[@brandonnowlin4523]

Where’s Charles been?

[@PotatoeJoe69]

Gentleman, she's begging for a Sportster engine with a Hammer Performance 1275 kit!

[@nugget8563]

Where's Charles?

[@galactic2042]

you guyes need to get this thing on the dyno

[@frankensteincreations4740]

You guys need to redo the wheelie bar brace ASAP!!! There needs to be a plate on the frame at the top attachment point. If the welds, or bolt fails and it’s on the bars, that adjustment rod is going into your back! I’d also put “walls” around the edge of the plate so if it does fail it’ll be caught by those walls… 👍🏻

[@minter_fab_mafia]

I would also make it 2 braces. Front the top middle down to each corner. Then you can adjust each side to keep it level

[@Davidmartinez-zp9wl]

The guy seemed nervous and unsure of himself. Comes the term 'using only half you're brain'😅. I do agree with redoing seems like you and Ike could've made a better one. Good job tho guys thanks for the content.

[@notajp]

I was thinking the exact same thing when I saw that top mount. Not safe at all….

[@frankensteincreations4740]

@@minter_fab_mafia many improvements can be had with it lol. Just stating the obvious one. I would’ve made it a single wheel also. I fabricate and build hot rods and drag cars for a living lol. I try not to crap all over someone’s best attempt.

[@minter_fab_mafia]

@@frankensteincreations4740 I also build and fabricate cars my friend, wasn't crapping on them for trying. Really more just pointing out a flaw and suggesting a redesign

[@mbminitrucks1]

Finally a 2 step 🎉. Use the green button tap and lock a relay that is earthed on a brake switch. That way the 2 step comes off as soon as you release the brake not brake and thumb. This is how I've wired it in my vehicle, except it's on the clutch. Same with my daughters dragster.

[@douglaschitwood1342]

SAAAWEET!! OOH RAH MAGA 🇺🇸

[@slippytoad40]

Good idea!

[@james777cox]

Pretty sure with the Haltech you could add a brake switch as an input then in the 2 step calibration add the brake pedal as a condition, so it needs to see the green button and brake before it will 2 step. As soon as the brake is released it wont 2 step so you don't need to let go of the button with perfect timing, you can be a little slower about it. Not 100% sure on that, but by all accounts Haltech customer service is amazing and they can and will talk you through it over the phone.

[@mbminitrucks1]

@@james777cox sounds about right. 👍

[@Greg1096]

​@@james777coxi second that, haltech customer support is amazing, though I've switched to Fueltech on my drag car and they are just as awesome, just a ton of really cool helpful people in the aftermarket performance parts community in general in my experience.

[@Big_Blok]

If yall are still dealing with the overboost, I noticed that y’all’s exhaust flange on the turbo sits very close to the watergate flapper not allowing it to open as much as it wants to. I’d open the exhaust flange to allow the waste gate flapper to have as much room as it wants when it goes to opening. Hope that makes sense!! Love yall and y’all’s content

[@owenfernance7684]

Or go to an external waste gate, then the boys would have full control over boost.

[@TeamHybridRacing]

I was going to mention the same thing. Gate control and flow will make a huge difference especially when they want to start really controlling things

[@Yohosun]

2014 to 2024 Happy anniversary cars and cameras race division Rip jeb the bush 🌳

[@mathieulachance151]

The best small engine content I’ve ever come across on KZbin is always from you guys ! Keep up the amazing work guys !!!

[@sethsprojects]

That 2 step sounds MEAN. Never thought I'd hear that out of a 670. Great work guys

[@evelkoloski]

True North Turbos... up here in Canada makes a wikid lil oil feed/drain fitting that extends the mounting surface out so yall can actually tighten the fitting without a "custom grind wrench!" and yall need a small shock absorber on your "adjustable" wheelie bars... will help with wheel hop, your not hitting the tire as hard and as fast... there is some tire strike absorption in the shock on most decent wheelie bar kits. And i also feel it may in time start to run to the right if you dont finish the X in that bar. the right side will flex way more than the left.

[@mikewhite3123]

Think they are gonna have to go with a name brand like the one you mentioned,cause the over boost is killing the Chineseum turbos... The Chinese ones are ok if you keep them below 10 pounds and never get them hot.

[@TheRoulette77]

tip .... for a long time i have been seasoning my turbo housing to prevent rust..... just like a cast iron pan...before you plan to run it. wipe it down with some olive oil or spray it with some PAM ...do it a few times .... it blackens nicely and doesn't rust!

[@marshallgibson8872]

Instructions unclear, I have seasoned my turbo and I'm now cooking shrimp on it

[@physcoholiday]

Both dry out, wd-40 will not completely dry out for ages and is a very good conditioner for majority metals. Stick to pans with the cooking oils.

[@50sRat]

​@@physcoholidaywd-40 is a water displacement. It removes moisture. That's why they say not to use it on locks

[@ThePentosin]

What? WD-40 dries out, that's why its a poor lubricant.

[@extremecheddarswityomom]

@@physcoholiday WD40 will dry out and cause more rust. Olive oil or pam is actual oils....with your logic everyones cast iron skillets would be rusty after getting it hot

[@erickvond6825]

Something to be aware of when using a copper head gasket is that you have to anneal it before you torque the head down. That makes it softer and more crushable when you tighten everything up to spec. The trick is to get it red hot with a torch and let it cool naturally.

[@extremecheddarswityomom]

I think charles did that in a video didnt he? Seems like i remember him doing that before.

[@erickvond6825]

@@extremecheddarswityomom Not that I saw though maybe they just didn't show it...

[@isaacitllbefine7231]

I did

[@cedhome7945]

I did this on a vintage bike build back in 1984 and she's still running fine

[@Namesakes.unit-x-10sq10]

Quick cooling softens the metal, just quench it.

[@lancebauer5010]

It was so awesome to see because I've seen this thing.On your dad's garage floor to where it is now is just so insane. Keep on burning and turning

[@charlesgraham9954]

i bought a 1977, 912 from a junkyard back in the med 80s before i was even old enough to drive. i worked for the old man that owned the junkyard. the 912 sat for 5 years with a broken cam shaft, did some head work and a bigger cam and i badge it with 911 badges.. lol. i was a kid what did u expect. P.S. i still have that green 1977, 912.

[@rocketranger21531h]

you guy’s never disappoint. I hope you get the chain drive figured out soon. This thing is awesome.

[@scruffynorseman]

"She's a beaut, Clarke!" Lol, you guys are awesome😂

[@jstephenallington8431]

My heart jumped just a little bit when I saw the sparks fly from the rail cart. You might want to revisit the problem with the axle flexing by setting up a GoPro pointing at the axle during launch, just to see what's going on under there. It's looking like you need to be able to adjust your wheelie bar to different heights independently on each side to keep the rail out of the barriers. Be safe out there guys! Looking forward to seeing your next video!

[@buckykattguitar]

They have a titanium axle coming

[@SafetyUggs]

If boost pressure (or even exhaust back pressure to a certain extent) is greater than the turbo's oil feed pressure, air will displace the oil in the bearings and you'll have another dead turbo. Might be worth considering if you haven't already

[@tonypace2009]

That exaust hanger letting go at the frame is a sighn of tubes flex. Going to bigger bar slash chain guard will stiffen anhopefuly keep jack shaft and axel pulling together but might need to gusset more of the tube frame also.

[@jimciancio9005]

Yama-bond or Honda-bond is much more than just regular silicone! It's incredibly strong stuff compared to say any permatex products that are available in stores! 😊

[@tandemkings9317]

@CarsandCameras you guys should weld the chain in the shape of the Et time 7.11 and raffle it with shirts and hats.

[@wreckum56]

That thing is launching like the big boys. Congrats!

[@johnluke3425]

Let's go Isaac. That's the attitude that people work to have. 😅

[@nickarigit]

Either o-ring the head or go with a thick copper gasket. I've never heard of needing silicone to go along with a head gasket unless you have a coolant leak due to a poor machined surface. Now I have seen plenty of shade tree mechanics goop up gasket surfaces with silicone. But that's about it..... If anything silicone is going to make it easier for the compression to push the gasket out. If anything it will act as a lubricant making it easier for the gasket to pop. Worse comes to worse get a can of that copper gasket spray and use it very sparingly

[@mikegoodman447]

High heat aluminum paint on the gasket

[@nickarigit]

I like how Isaac says this is what wins races as he slathering up another layer of silicon on a head gasket that's about to blow on the next track run as they are clearly not winning races good Lord bring back Charles. He had more common sense in his pinky

[@thenine3171]

This should be in the dictionary for the definition of fun

[@PHILLY214]

Man I’ve been a fan since the 100k burnout video (era) I was all in y’all’s videos…but relationships and kids really absorb time, I havnt watched y’all in years till seeing this thing run!

[@dsgp7835]

I enjoy the dragster thrash. It's getting there and things will break along the way.

[@joemontgomery6658]

Taylor has such good taste in cars

[@easyeight8122]

I'm immensely impressed that engine is still holding together. What a BEAST. Good job fellas

[@Supertech-86]

First a video game character and soon to have your own bobblehead .. It'll be fine!

[@albertvenable4122]

Question if Ike gets a bobble head will it have a hat on or his pedifile looking haircut? Lol

[@ckfpv]

Finally yall are gonna get the rail were she was always needing to be

[@wrenchg3954]

You measure mating surfaces by using a straight edge, preferably one that's true and like a 5 tho feeler gauge. Measure corner to corner and then split the over all width of the head into 1/3s and measure at each surface along the straight edge. If there's no huge out of spec gaps your surface is true.

[@mkuhlman77]

I wanna see you guys challenge Cleetus McFarland to a mini drag challenge once you get your dialed in. I think he'd be so excited to do this.

[@danwyrick322]

I agree 100%

[@Stevop79400]

Killer episode guy's!

[@andrewt9204]

Lol, your dragster description is starting to sound a lot like Robot Cantina!

[@26zilence]

Today is my birthday and nothing better than watching you fellas.

[@terrywitt5543]

Happy birthday

[@isaacitllbefine7231]

Happy birthday

[@26zilence]

@@isaacitllbefine7231 thanks bro.🤙🏼

[@26zilence]

@@terrywitt5543 thanks 🤘🏻

[@CarsandCameras]

Happy birthday!

[@anonymousbrown]

I've never heard of silicone on a head gasket. And I've had the Briggs and Lawnboy classes. Try using spray copper or high temp aluminum paint, and let it tack off before assembling.

[@tonycalvert2951]

Remember the tips from the guys who win. They win if you can’t run. Keep that in mind.

[@crimsonsnow7562]

23:20 the best help for extra sealing potential I’ve found and actually had a good success with on large high compression engines is Permatex Aviation Form-A-Gasket. Works wonders on Subaru’s which are known for that stuff. Probably be a good option if you have to go at it again

[@lokedog916]

I love watching the drag rail! I remember when yall built it originally, the mail box intake and all! Love watching this channel

[@SadPuppySoup]

You all built a down right drag machine Big Daddy would be proud of. (info: “Big Daddy” Don Garlits is a trailblazer in drag-racing design and safety, and Top fuel dragster driver/owner/Winner)

[@buckykattguitar]

Swamp Rat!!!

[@SadPuppySoup]

@@buckykattguitar Yeah you get it, I see it every time they bring it out

[@anomalouswoof2554]

Hiigh compression head gasket: short of metal o-ring in a groove cut in the deck, use a stainless steel shim type coated with VHT Silver high temp aluminum paint.

[@jamescarlson9051]

Second button should be scramble button lol

[@WyFoster]

I can do it, don't tempt me with a good time!

[@thegit8698]

That rail has evolved like crazy didn't imagine the speed you would be getting out of it but that mini bike is nuts too

[@midschoolchris5660]

That ignition timing was why you were killing head gaskets! If it was advanced it will certainly cause more cylinder pressure and blow a head gasket.

[@TheRoulette77]

tip ... for bike... add a co2 bike tire inflator to handle bars with push button accessible to your favorite finger..... make and run line to air filter.... use Whip cream cartridge's with a spacer in the tire inflator...... fun to use at launch if you have the grip.... if you use after max speed it will add a good 5+mph

[@hutchdw77]

The track is awesome!

[@customcutters]

these guys are the coolest old men on the internet !!!!

[@burmese434]

Can’t wait for part 2

[@charleybetts1053]

The best silicone we ever found for head gaskets - was from TOYOTA and it was black. It would seal unbelievably well!! (There's a TOYOTA manufacturing plant close to us, and we would get it from their parts department. It seriously was GREAT Stuff! 👍

[@BunkerBlog]

Love this build, but I'd love to see more 420cc/440cc builds.

[@Taurus_firearms_guns]

Man guys, I’m watching your guys video and it looks like you’re turbo is gonna fly off. It’s got so much power.

[@theyoungamptech320]

TWO STEP CHECKKKKKKK

[@westie4ageturbo.749]

I remember that build in yr dads place Its great you are still working on this beast

[@Silentjackll]

You can weld more pipe to make a circle, extending the length that you need. You see this all the time in drag racing.

[@AdamCole0112]

I built hundreds of 2 and 4 stroke small engines. Yamabond 4 is my go to and it has never failed me

[@IsaacMason-fm8yh]

So we all watching this video at the same time 😂

[@extremecheddarswityomom]

Kinda sorta. I pause every now again to check on chicken tenders in the oven.

[@DanielMoran-ci1uo]

Tilly Tap Track is fun and awesome...! Having both John and Isaac as playable players even better !!!!!!!!

[@Lesterman_1]

I would have to put the go juice on my right hand and "Donnie from The Wild Thornberrys" on my left! 😂

[@bigfootandbananaman4746]

Try some hylomar blue on the head gasket. That stuff has been really good for me. I have heard of a lot of people putting it on head gaskets for 3.0 Toyota truck engines because they have an issue with head gaskets.

[@rustydismukes1422]

Permatex hylomar, hylomar was developed by rolls Joyce for high temperature sealing

[@rexhorning7228]

Drag rail has come along way. You need the sound of the dragster as your closing music at the end of your episodes.

[@erichsteinhagen4173]

Yep time for big boy gear parts

[@kaseyjones4143]

hey ike and john what about adding a copper ring around the deck to help seal the head gasket like they do big hp cars that may help with the blowing out. love you guys no diddy tho

[@harryjohnson2]

This is a cool project and by far my favorite one you guys have done. That thing has come a LONG way and still lots of potential!

[@Johnyeye2]

Try spraying your head gasket Copper Coat. I used to build vintage European race car engines and we coated every head gasket.

[@skater4life2360]

Hey just a quick suggestion: can y'all add a section of the website that details all of your projects and what has been done to each? I think that would be so cool and help the community really learn what to do to achieve similar results! Would be so cool to see the collection of projects, the lessons learned for each, what to do and not to do, and archive/document the progress of each in short form.

[@chaseychaseum5366]

That single top braced wheelie bar is scary as help! You don't wanna be speared through the spine if/when it breaks. Please plate it and maybe add another. One going down to each side of the bar's wheels would help with leveling as well.

[@YoJoe-s4b]

Move that upper wheelie bar immediately. If it ever fails on the upper end (event of a crash or launch)It could go Right through the seat and then go through the driver (back and/or neck or head).

[@Boostismyfriend]

Awesome, that thing runs close to what my sons 650 swap z125 runs(7.10@93) i need to get out to Farmington since they repaved it

[@geoffdbirds]

I love to see you guys on a quarter mile track I'll bet that little mini bike would straight fly

[@stubby7934]

I know it says "Go or blow" on the side, but when the angle is bad, it appears to say "Go slow". One way or another, it's always correct.

[@wyatthenry6777]

If you put a stiff shock on the upright bar in the wheelie bar it’ll allow for SOME movement in the wheelie bar. You’ll for sure need some movement in the bar so the chassis doesn’t take the brunt. Only reason several cars have a solid wheelie bar is because they have suspension and really soft sidewall tires that allow crush.

[@Uxicara]

I’m so confused, I haven’t been able to watch much since Charles stepped back and I have no clue who all these new people are lol. Awesome to see the progress of this beast. From the building it in the garage, to here. Never could’ve imagined it would come this far.

[@douglasburrows922]

I don’t know what happened to Charles. I guess I missed that episode. Can someone tell me what happened please

[@WyFoster]

​@@douglasburrows922He moved back home to raise his son around his family.

[@jerrydespaltro4023]

You guys need to buy a cutter that will allow you to"O "ring the block. Used with a copper headgasket, it will last forever.

[@JeffKopis]

That new guy looks like Cheech, from Cheech and Chong. The Do Rag, the stache...

[@martinlicht1969]

Now That's a Lawn Mower Engine! Great job, one of my favorite projects to enjoy..thanks

[@CJ2225CJ]

29:44 wow this thing sounds crazy 💥💥💥💥💥 unrecognisable from a real dragster 👍🇮🇹

[@GodschildinNC]

And we have Isaac, the super mechanic, for the mini bike win!! Man so nice to see those diagnostic skills in action!

[@Displacement-destroyer]

That's the biggest problem with using the sleeve bearings Turbo I realized it's a huge price difference.But when you start buying the same turbo over and over again it's worth buying one that has bearings

[@secaII]

Awesome that you guys keep working on an OG build!

[@UnreasonablyIrrelevant-gv8xx]

"If you're not breakin it, you're not trying hard enough" - Ike, 2024. Edit: 7:20 everything causes cancer in the state of California lol Edit 2: maybe clearencing for the head bolts is unintentionally weakening the head gasket? It seems it blows out on that side.

[@CarsandCats]

You should be running a copper gasket with a receiver groove in the cylinder and copper wire.

[@Wil_Liam1]

Yeah I siliconed my head gaskets has never ever been uttered by any professional engine builder or racer... 🙄

[@matthewf1979]

These small engines can have a hard time sealing with the cylinder pressure four times higher than they were built for. A thread insert and stud is how you permanently fix it.

[@WyFoster]

My mini bike holds the world record for a small block in the 8th. It's o ringed and uses Hondabond to seal the gasket. Definitely use it. Heck, Steve Morris just put some on his 5,000hp SMX build the other day. If that dude isn't a professional, who is?

[@Wil_Liam1]

@WyFoster Yeah,key words here is O ringed,and Hondabond isn't silicone,isn't slippery like silicone... I've been building engines and racing them from 700+ Cid supercharged monsters all the way down to 3hp B&S flat heads,and never once have I seen anyone else use silicone on a head gasket of any kind.. Base gaskets,sure,rocker covers,yep,side covers,of course,timing covers way too often,intakes and diff covers yeppp,but never once before on any type of head gasket... Plus high compression,high heat and silicone don't work together unless one uses a special high temp sillycone for the heat properties but it still won't make a head gasket seal any better than 2 perfectly flat machined surfaces will,but to each their own ...

[@WyFoster]

@@Wil_Liam1 Steve Morris literally used Permatex Ultra Black on a copper head gasket like a video or two ago. Hondabond is literally high temp silicone.

[@numnutz9000]

43:41 thats why exhausts are usually rubber isolated, a rigid exhaust hanger will always tear a hole out of whatever it’s mounted to

[@davelowets]

That's getting to be one CRAZY 670.... 😳

[@shanehathaway2791]

Man you guys do a great job.!!!!! I remember when I use to burn plugs off take it out and everything is done but the white part of the plug… And have head gaskets smoke it… I went O-Ring there is stead…. Works great for me…

[@patrick1675b]

At 51:49 it sounds like the float bowl is being sucked dry at WOT, and by the time you restart it the bowl is full enough to start and idle properly. My brothers 1200 sportster build did that, about half way through 1st gear it would fall on it's face and die. Until he got the float adjusted properly.

[@francisbarnaby]

That mini bike looked like it was in fast forward 😂 crazy quick

[@Out-Fishing13]

F Y I ; I was wondering where in Da hell Iassc got that shirt during your outro and now I know . Just placed a order for two shirts !!! Way to go guys ! Can't wait for the next episode .

[@michaelfowler8289]

Yamaha also makes a bond that is called yamabond that works really well they usually use it for ceiling cases and jug to case gasket

[@dakotak8437]

If you use also 30a gasket sealer works great for head gasket sealing

[@messybench]

Jackshaft, frame, exhaust mount, all in the same area. Your frame is flexing hard.

[@VdubSPAZ]

Wheelie bars used heim joints for that reason to keep the wheels in the alignment and then you can use the heim joints or the turnbuckles technically to make sure that they're in a correct adjustment

[@dazhigh9208]

Dude really done on your times, And love it.. if you don't break it your not trying hard enough. Well done guys. from me and my Dog Max in the UK. 🙂

[@williamb82]

For the headgasket, you should put the hondabond(or permatex ultra grey) on your index finger, and then rub you thumb on it and "pinch" the gasket top and bottom as you rub the sealer on with your fingers. This will apply a superbthin coatbthat wont squish out into the cylinder when you install the head. This works great fir any paper gaskets you want to ensure are leak free also. I do this for diff covers, water pumps, timing covers, etc... And never have leaks. Ive also done this on the gx160 on my old gokart. Never had an issue, though it had a single layer stamped steel hg, not copper. Copper is typically used when you have a fire ring installed and a reciever groove on the head.

[@calebcole7480]

Epic rig and an awesome game. What more could I ask for. Love the amazing content and achievements you guys have made!

[@Anokaman]

Fresh plugs for the run would be a good idea. Sounds like $%^

[@budddove6480]

Isaac- Go or Blow Me- It went, and Bent...lol

[@devivoman]

I would love to see some car content, be it a clapped 911, that 300z, or the Opel GT! Keep up the great work guys!

[@ericstevens-te8xo]

Cool build on the dragster. Keep chipping away at the 60 foot. Great job 😅

[@bustinyanutz4195]

John should be the poster boy for broccoli head hairdos

[@riceburner32]

Dragsters (any serious engine) will use a copper gasket, stainless o ring on the block and a matching receiver groove in the cylinder head. You will end up doing this.