HOW TO: MAXIMIZE JUNKYARD 6.0L LS PERFORMANCE

[@dannym5106]

This man alone is changing the used LS engine and parts market.

[@bri-manhunter2654]

He’s doing the lords work.

[@colinw7205]

@@bri-manhunter2654 Amen Brother, Amen !

[@dontworry6256]

All it took was one person !

[@christopherclaure6689]

@@bri-manhunter2654 the lord aint got shit on him

[@longrider188]

@@christopherclaure6689 , dude, give it a rest.

[@davenobody8565]

My young son turns off his video games and sits with me when I watch your awesome videos. Thank You for that!!!

[@richardholdener1727]

AWESOME

[@Smokeroux]

THANKS to you , we fired up our first junk yard rebuild yesterday! Your “straight to the point” videos are some of the best. We have real jobs and no sponsors, so budget mined swap was the path we took. Keep up the GREAT WORK!

[@bulletproofpepper2]

Thanks for sharing. My goal is to freshen up my LQ4 in my 2004 2500 Silverado. There’s a lot of great information in your video.

[@gdaytrees4728]

Man, Richard...you are AWESOME!!! 10 different combinations of the 364cid LS is a TON of work and you have shown us the results so expertly...my sincerest thanks...now I KNOW what to do with my SBC

[@robertthomas7239]

@@AnonymousNinja82 The term "LS engine" is used to describe any Gen 3 or Gen 4 Small Block Chevrolet. Durrrrrrr

[@trashbandit2449]

@@AnonymousNinja82 technically it is a chevy... and it is a small block...

[@jacobpatterson1091]

I mean it’s not flipping a coin easy but compared to my 4wd non electric fan motor in truck putting mods on a engine on a stand is way less ‘work’ then somebody doing it in the backyard

[@williamsimpson2812]

I'm making mod on a L96 364 going to eat fan an long headers to a single gt45 turbo

[@chopperking007]

The home work you do for this channel is second too none 10/10

[@richardholdener1727]

thnx-check out the new water/meth video

[@tturi2]

TFS 225 heads, Fast LS2, Comp 54-469-11 cam, ultimate engine in car combo

[@saraiigonzalez7464]

im about to swap my truck with the lq4 6.0 would this combo bring out the most performance out of it

[@metagamingbastards5379]

Loving this. Quit tinkering with cars when I became a dad. A couple of decades later, I am trying to rebuild a 65 caddy and the ls motor swap seems the best way to replace the original motor which I killed in 1989. My dad, a mechanic for 40 years of his life, seems as excited as I am about the idea since it's the last car he and I worked on together. Keep feeding me information. You are awesome.

[@whatta7793]

Any updates on that car?

[@metagamingbastards5379]

@@whatta7793 sadly, health issues and a divorce have gotten in the way

[@MechanicallyEnthused]

Richard I have been casually watching videos for years, just as a average joe gear head and general LS enthusiast. Lately I have been deciding on what to do with a LY6 engine that had spun a cam bearing. This video has given me so much insight on an attack plan. You are awesome man!!

[@richardholdener1727]

good luck

[@Langloiswad]

@@richardholdener1727Hello I own a Chevrolet express 6.0 LQ4 with 90,000 miles, I live in France in a region where the climate is temperate, I do 6000 miles per year, I drive mainly in the summer, and I tow a 6000 lbs trailer, should I stick to the oil recommended by the manufacturer 5W30 or can I use a 5W40 for example???

[@josephyslas4615]

11 months later and this still helped me decide on a cam for my LQ4 with ported 706s 🤘

[@witcher71]

TFS SS2?

[@chriscase6341]

How's that combo running U? I'm about done with mine. Went with 2 inch valves opened up to a 90% throat. Goin stock cam for now. Oh & I went flat top & gen4 rods

[@josephyslas4615]

One of the comp cams ups mech. Chris case, I haven't gotten it together yet. Waiting on my roller to be done before I put it all together. Had the heads on a 402 with a 250 shot and big cam in a 4700# truck and went 11.9 @ 107. Unfortunately, I'm having issues with getting enough flow to release the lockup on the multidisc converter in the 4l80e

[@matt_1969ChevyC1o]

In-depth, methodical testing for the win. This is the helpful info to have in hand when laying down the cash needed to make these builds come to life. Thanks for the dedication to do this right!

[@bille.334]

I"m using a lq4 block, 408ci, TF 235 cc cathedral heads, LSXRT manifold, 102MM throttle body, upgraded injectors and a custom cam for the street. It made over 600hp on the engine dyno and gobs of torque all over. Cant wait to get it into the car and drive it.

[@chuckchuck8274]

What injectors u running

[@bille.334]

@chuckchuck8274 fuel injector clinic 1000cc injectors. I started off with holleys but the idle was way too hard to get right. FIC injectors cleaned it right up, though.

[@stoichiometry147]

Bravo! Where was this kind of information 20 years ago when I was building stuff. This is totally LY/LQ mod cliff notes! Haha

[@themrjones]

Oh yes, just tuned in. I have a Trailblazer SS with only 30,000 miles. You're the reason I'm not just going to slap a turbo kit on it I guess I'm going to build the engine and get it ready for boost first.

[@ssmithlprt]

I also have a Trailblazer ss with the 6.0. I put the trick flow cam in mine and It's a beast. I also replaced the valve springs, installed long tube headers 3200 stall converter with a full trans rebuild with sonnex heavy duty input shaft and clutch drum , heavy duty output shaft, sun shell, sprag assembly, Corvette servo, and I'm sure that I'm forgetting something lol. Cold air intake and it was street-tuned by a local tuner.

[@brianmorrison9066]

I remember back when you'd have to have a fully built sbc 350/383/400 just to run in the 12s and they were ready for a rebuild after 100k miles. Now, guys are running deep in the 11s with a junkyard ls with 350k.

[@dopie5817]

if its a full drag or if its a good fun street car that you like to race or something, the amount of kms shouldnt matter. if ur there for a good time and a fun time, its not about miles per gallon or kms....its about smiles and seeing how happy it makes someone else

[@dilsher12]

Richard I want to see the torque 6.0 combo lol. Thank you for all the testing!!

[@rustysausage69]

LQ9/LY6 shortblock (both 10:1 compression, LQ4 is 9:1) with a stock truck cam, 4.8/5.3 heads and stock truck intake (or a dualplane carburetor intake with 600-650cfm carb) would give you pretty much the best low end you can get.

[@LT3Fluffy]

Torque 6.0 build: install 6.0, tune, drive

[@bri-manhunter2654]

Agreed, I want to a torque combo!

[@matt6951]

@@bri-manhunter2654 read the post above, a stock cammed 6.0 with some 862s would be the best combo.

[@bri-manhunter2654]

Matt G. Agreed, it just be cool to see the numbers. I’m going with a 220/230 stage 2 in my Hemi 6.4 Stroker with 11:2:1 compression, and a 3K stall. I’m hoping this will give me the better low end vs the stg 3, for 5400Ib crew cab 4X4 Ram. I’ve learned from a Richard to not over cam.

[@overbuiltautomotive1299]

thanks Richard here a Joke fer Ye:::: A truck driver from Alabama who has been driving around the country for two weeks stops at a brothel outside Kansas City. He walks straight up to the madam, drops $300 and says, “I want your ugliest woman and a grilled cheese sandwich.” The madam is astonished. “For that kind of money you could have one of my best girls and a three-course meal.” The driver replies, “I’m not horny, I’m just homesick.”

[@christianmeeks4430]

Lmfao! Epic

[@arodderz]

lol..damn

[@deegan727]

I don’t remember telling anyone that story.

[@7071t6]

HAPPENS EVERYDAY. DAY IN AND DAY OUT, SO THINK HOW MUCH CASH IS MADE. :)

[@brandonsimpson1617]

Greatest junkyard engine build information on KZbin

[@Danno74Z]

Hello, I think it would really be beneficial if you could somehow have a summary chart illustrating the power gains of each combination. I take notes but can't keep up :) Thanks!

[@HotboyTroy87]

I’m a SBC guy I have no clue what I’m doing with my 6.0 but with your videos I feel like a pro, just did my DoD delete waiting on my cam I’m scared as I work on it but excited at the same time 🤘🏽 Thank you Uncle Richard 💪🏽

[@richardholdener1727]

Good stuff

[@dalethomas9307]

Would love to see the BTR N/A cams tested in a 6.0/6.2 with cathedral and rec. heads.

[@xcandiottix]

As always, so helpful. I've posted some comments before about a '96 Impala SS swap I am working on sourcing a motor for and while a aluminum block would be nice, I think our best option is grabbing a LY6 mated to a 4L80E from a Chevy Express or Silverado 2500. I appreciated these straightforward videos of things to consider to make decent horsepower out of the gate that is free from any marketing gimmicks. Thank you!!

[@richardholdener1727]

Glad to help

[@cowboysayshellyeah]

Love it! I have a 2003 with a 6.0 in it right now and I want to build it so this is actually helping me a ton! Thanks Richard

[@randydarcey2947]

Sloppy stage 2 with req heads and you have a great truck set up. 8-10 poinds boost and you got a killer street truck. Thanks Richard. Sloppy stage2 all day long.

[@bdugle1]

Hey Richard, you did the perfect test for me! I’ve got an LY6 on the floor of my garage as we speak. For a street truck on a budget I’m going to skip the $2400 TFS 225s and stick with the factory rec-port heads. Reading between the lines a bit, that is 20hp or so better than the factory cathedral port combo. My choice is a BTR NA LS3 Stage 2 cam with a 225° intake lobe. It has a nice amount of overlap, around 5.5° at 0.050, an should work well with a stock converter in a 6L90. Lots of work left to do but come spring it should be up and running. Keep the tons of info flowing!

[@gloriamaletta8667]

GM CNC ported LS3 heads or if price is not a concern AFR rectangular port 260cc mongoose there 2800 dollars my CNC ported LS3 heads l got in 2008 costed 1200 dollars less than half they can make 560 horsepower on a stock bore and stroke 6.2 or 6.0 with the right cam these AFR heads with 415 LS3 stroker and the right cam 670-690 horsepower and 620 horsepower with CNC ported LS3 heads

[@bdugle1]

Thanks for the comment. For me, the “mild” 6.0 has more than enough cylinder head with the stock rec-ports. You can make more power with more cam and head flow, but my truck will be just a driver. If I were building a 415 or larger I’d agree completely!

[@daviddavids3468]

I REALLY LIKE THAT TRICKFLOW CAM, IT HAS GOOD HP AND TORQUE GAINS WITHOUT ANY POWER LOSS DOWN LOW. FOR TURBO MOTORS I THINK THE CAMS THAT GAIN BIG HP AND LOSE LOW TORQUE WOULD BE BETTER. TURBOS WILL GIVE GREAT LOWEND TORQUE ANYWAYS.

[@edwardmcmillenjr8443]

Do a ultimate 4x4 torque ls engine combos test..im sure 4x4 guys would want to know a stump puller ls engine combo . Your videos are awesome...my note book is getting full of ls knowledge thanks to you and your dyno data..

[@omgitswywy]

recently purchased a 2013 sierra with the 6.0L. can't wait to put some money into it!

[@David57979]

Yoooo I LOVVVEEE UUU II BEEEN WONDERING WHAT U EXPLAIN THE BEGINNING FOR SOOOOOO LONG. MUCH LOVE AND BLESSINGS MAN. LOVE 5.3,6.0 VIDEOS.

[@Kmecha84]

Simmer down there big slugger

[@royellis6366]

These videos are helping me a lot on deciding how to build my Cadillac Escalade with a 6.0

[@AtomicOverdrive]

I would like to see more videos on LS engines for producing more torque in the 1500-5500 RPM ranges. Some people want a nice street strip engine that they can gear to drop into overdrive around 55 MPH @1500 or less RPMs.

[@TheNutshaq]

This is a god tier video to find now that I’m in the market to buy a C6 Vette

[@MrRagequitnow]

I just bought a junkyard 6l LS , planning on stuffing it in a 04 Pontiac Aztek, and switching to a pure RWD set up. Hopefully inside two years, I'll be updating this comment with a link to some video's :)

[@toefield251]

Once you get past the German porno music at the beginning you're a Holdner fan forever

[@aps454]

That's LS porn music now.

[@toefield251]

@@aps454 Lol yes indeed! And turbo porn, blower porn, big block porn, small block Ford porn...he's got so many porn categories, but my favorite is head.

[@michaelblacktree]

Don't forget "other guy" porn... 😉

[@randywilliams4325]

I thought it was 80’s disco music

[@davidanderson6706]

When u hear that song. U know u about to go balls deep in an engine.

[@jamesthemachinist1325]

I’d like to see a head to head of a 5.3 stroked to a 6.0 vs a lq9 .

[@cargotoolshop5319]

No comparison because of the smaller cylinder diameter

[@BigHeinen]

The biggest takeaway I get from this video is that the single biggest power adder is a good cam. Unless you are only worried about power above 6,000RPM then just change out the cam. All your usable power is from 3,000 to 4,500 where we all drive every day. Port match your intakes to your heads, degree your new bigger cam and go drive the thing!

[@zachariahmagallan5738]

What would you recommend?

[@zachariahmagallan5738]

I'm trying to pull a 44ft fifth wheel.

[@BigHeinen]

@@zachariahmagallan5738 In the past Richard has recommended the BTR "Truck Norris" cam for it's low end grunt.

[@zachariahmagallan5738]

Ok I'm a new b what does port match your intake to you heads and how do you degree your new cam when I watch cam swap videos all I see is them pull the old cam put and slide the new one in

[@Doodooheadguy-fishing]

​@@zachariahmagallan5738 i known it's old, but a diesel would be the better choice. Come on

[@davidcunningham00]

whats funny is about 8 years ago I had my 317 heads really worked. Bigger valves, milled .040 off, ported and alot of bowel work. I put a custom cam from Billet cams in my LQ4. I sure wish I would have known this way back then. FYI the motor after dyno tune in my chevy 2500 4x4 does over 400 torque at the 33 inch tires.

[@tomgaydos7104]

I am currently deciding the route to take with my lq9 w/ 799 heads. I would love to see a specific 6.0L 799 build off to see what the best combo of intake and cam is. Love the vids keep them coming!!!

[@reyperez3424]

A custom camshaft like 226/232 .600 lift 114 LSA works great From TSP I know people have different opinions but that’s my 2 cents

[@DillonAuto]

Before divorce I was going to put an LQ4 stroker (402) in my 2002 Yukon. But because of divorce I drove it another 5 years. I'm laughing at that too. Great information on this channel.

[@camaroboi13]

My dream motor is becoming a reality after watching your vids sir! I’m looking at a carbureted lq4 with 823 heads, victor jr intake manifold, and either a sloppy stage 2 or possibly even a truck Norris cam with long tubes. I’m hoping to see 450+ at the wheels of my 73 Nova.

[@ze_german2921]

I just had my newly acquired 706 heads cleaned up with .570 springs and a BTR Truck V2 Stage2 Cam for my LQ4. Also topping it off with a TBSS intake. Cant wait to see what my Butt Dyno registers.

[@BlindBatG34]

I dig your Commodore avatar. Kudos!

[@jeremymurphy7320]

I know there aren't a ton of 6.2 Ford performance parts but I'd like to see the Great Holdener fabricobble a boosted version of this engine

[@richardholdener1727]

what is a 6.2L Ford?

[@AndyFromm]

@@richardholdener1727 6.2l mod, it started in the raptor and then moved into the superduty.. en.m.wikipedia.org/wiki/Ford_Boss_engine#:~:text=locally%20produced%20parts.-,6.2%20L,arrangement%2C%20and%20bellhousing%20bolt%20pattern.

[@austintyler7991]

Very solid engine by Ford trucks

[@jeremymurphy7320]

@@richardholdener1727 Still used to this day in the Ford SD trucks and was the second Raptor engine. Code named Boss.

[@Devons64]

Richard- I’ve been building a turbo LS to swap into my BRZ recently (all from months of information from your videos). This video spoke to me. Thank you for all that you do.

[@crashwrench]

Hi, How about a LS Low RPM Torque Monster ... Horse Power is cool , But " Torque " Makes It Move ! Like A engine For Tow Vehicles . Great Work !!!!!! Thanks !!!! :)

[@JohnnyAnderson1]

TURBO

[@Dr_Xyzt]

Dual plane, ASA 226/236-110 cam, AFR cathedral heads (or just some cleaned up 243's) --- That said, it's fine the way it is. The red truck on my profile has a stock LS3 with headers. 2.97 first gear, 3.42 posi, 245/65/17 Toyo Open Country AT3's. If you lift at 35mph and floor it again, you jump straight to 5500 RPM with tire smoke. If you punch it doing 20mph, it squeals the tires and accelerates at the same time until it hits 58mph, on the rev limiter. The only time a 6.0 feels slow, is in a 4x4 extended cab, 4L80E, 1500 stall, with 3.08 gears and 33" tires.

[@JohnnyAnderson1]

@Guns Cars and Digits pretty sure he means low speed torque. Best combo I’ve found for that 706 heads Lq4 bottom end or lq9 if you wanna run 93 Tbss/07-up intake And any stage 1 high lift truck cam with a tight LSA Have yet to see that on a dyno but all those parts are good for low speed torque or best average torque Edit: or turbo/LSA

[@swappedoutZ71]

@@JohnnyAnderson1 thats basically my setup but it runs out on top end. im going to try ported 706s and tbss or fast 102. To keep the compression. Dont wanna go with bigger cam cuz i wanna keep my low end

[@JohnnyAnderson1]

Tyrell James yea running out up too is always a trade off to low speed torque

[@joshmajors5963]

We are about to cam swap a stock 2012 caprice with the rec head 6.0. We are torn between the SS2 or the 459 and for what we want i thank you for this video. The 459 is the winner.

[@sapperROSS]

Get a rcr cam for it if you want fast 1/4 mile n/a times.

[@joshmajors5963]

@@sapperROSS ill look at that one as well but it isnt going to be a track car. Play toy and occasionally tract time.

[@keithgallagher2810]

Absolutely a 6.0 torque build please!!

[@lepus6511]

I really wish I would've jumped on the LS train when it was still coming and getting popular. I have a Buick 430 I thought I'd get running cheaply and mostly stock to have some fun while I sourced and set up an LS style motor and fixed other issues with the car. I started sourcing parts and then thought, "nah I don't need to spend the money twice, I should just go straight to the LS." When I first started looking I remember you could 5.3s for like 1000 bucks, now I can't find a single one for sale in my area and when they do come up people want $2500-3000 bucks for a motor with over 100000 miles on it. Recently I started thinking well I'll just a buy a running vehicle with a 5.3 or 6.0 even though I don't have the space for it, but I'll figure it out and at least get my car back on the road. Then I found out people want 8grand for a truck with 150000miles on it here lol. Now I have no LS, no big block Buick, no running car lol. Waited too long planning and thinking. Bummer!

[@jimstover6747]

Hi Richard, Could you please try to do a common DIYers combination of a LY6 , ring gap, LSA SC w/ZL1 lid with a stock cam, then something like a smallish cam (Summit Pro LS Ghost cam (p/n 8715R1). Show the increase with a stock LQ4 cam too. Since i'm asking for alot, LOL, then throw in some AFR LS3 Mongose heads with the same aftermarket cam.

[@richardholdener1727]

DON'T HAVE AN LSA

[@sirjager9172]

Any update on when your ls cams are coming out ?

[@ryanaxberg9263]

he said it is going to be a while

[@ejohnson3837]

6.0 trickflow cat port 215 milled to 12-1 comp. comp 237/241, ported fast 102, fast 102 t.b. Made 522 H.P. and 430 T.Q. on a Dyno Jet though a locked 4,000 stall Yank converter. 12 years ago. North of 600 flywheel.

[@chomps2006]

Have u done or can u do a similar video on a 5.3? Thanks!! Thanks for all the info and videos!! I appreciate it!!

[@dallasjames97]

Hey Richy for 1 Thank You For All Your Hard Work and Amazing Information so can you please test a MASSIVE AMOUNT OFPipe Volume like a 20lbs propane tanks worth of Volume and a long exhaust pipe I'm mainly wondering what it does to throttle response

[@james10739]

I mean especially for the money the sloppy stage 2 is great but I mean that is a lot of lift and duration on the bigger cams vs SS2

[@crw3673]

I agree! Sloppy stage 2 seems to be the best bang for your buck and easy on the lifters and rockers.

[@jimkillen1065]

I really appreciate the videos . At some point I thought I remove the cam and the DOD or what it's called and do a cam , lifters , ect to a ls3 . Have the heads freshed up in the SS Camaro.. thanks for the information and videos

[@ShizawnSanders]

Factory untouched Ls3 heads and intake manifold don't make as much power as TFS heads and FAST intake manifold but think about the price difference.

[@Bandwidth24]

1 small turbo and a tune is my favorite on the 6.0.

[@tristanhipps604]

i love your videos. the one thing i wish the videos had was a shot of the engines idling so we could tell the sound of each cam. Im sure many will complain but often i think people choose cams for power and sound. for example i have a Lq4, and i might want to run that 469 cam over the 459 just because it might lope a little more without a giant trade off

[@chrismunos7741]

I got lucky and chose the correct parts. 2001 6.0 block, BTR stage 3 cam, 243 heads, hardened pushrods, billlet timing chain set, LS6 intake. No idea on power numbers but good enough for my '01 Z/28!

[@richardholdener1727]

good combo

[@75zl1]

I love my big block, but you really make me want to go to a 6.0 LS set up or a gen v LT1!

[@stephenmcintyre1502]

my favorite man for the subject .

[@jeffsloane8628]

First of all these videos are great and I know they take a lot of work. Thumbs up and hat tip to you and your team. The LS engine is know for it's broad power band and I've seen so many street driven cars chase peak HP numbers only to be giving up 50+ lb-ft at 1,500 to 2,500 rpm where most street driven cars spend their time. So, my question is could you start your pulls a bit lower, say 2,000 RPM? This would give your audience a much better picture of the drivability they are sacrificing for mid and upper engine speed power.

[@moniquebenavidez9958]

Man the best question on you tube to do with these categories!!!!!!!!

[@MechanicallyEnthused]

Well I am 3yrs back on this comment as just some random dude, but can offer insight for future folks wondering. These dynos put a simulated load on the engine and at WOT that load at so low rpm is going to lug the engine and skew the results of the full pull. Typically on the street your converter/trans wont lock up until 1500-2000 or higher if aftermarket to let it get into the power band. Another example is if you're in say 2nd gear rolling at low mph and try flooring it. It's going to lug and feel like a turd until it starts making power, then it'll "wake up" and pull. Horsepower is measured based on torque and RPM, so the accuracy is better when you have the motor spinning up. Also these LS motors specifically, really don't start making power until the 2500-3000ish range anyway, so it is going to show really sad numbers until it starts eating some air and farting out power!

[@jimbeam7289]

have a 2012 6.0 out of a van has ther 823 head . whats the largest lift i can safely run . so my piston to valve is adequate. thank you

[@richardholdener1727]

what is the longest duration is the proper question-look at the Comp 54-469-11 cam or similar

[@jimbeam7289]

@@richardholdener1727 cool thanks for the reply . 30 degrees after and 30 degrees before tdc when checking piston to valve clearance. I just havent messed with this set up yet. Like your videos . Used to be a dyno tech at pfaff racing engines. But haven't done that for a long time. Going off of my memory. Very rusty. And I'm old now ha.!

[@clapfishSS]

I'd like to see you test the equalizer intake from BTR on an engine that can hit 8K

[@danielsullivan9865]

And the Holley sniper with 102 mm throttle bodies or larger. Then test both with 30 lb of turbo boost with minimum back pressure. Even with a forged rotating assembly May exceed the limits of the block at 8000 RPMs. Should make 18 or 19 hundred horsepower.

[@clapfishSS]

@@danielsullivan9865 You are saying the limits of the block being 8K RPM with 30psi or 8k in general?

[@richardholdener1727]

it's the 1800 hp-not the 8K rpm

[@danielsullivan9865]

@@clapfishSS I'm saying put an engine together with aluminum rods, solid lifter cam, short Runner intakes BTR and Holley sniper. It would be interesting to see limits of a stock iron block with Billet main caps. If the cam and intake make power all the way to 8000 RPMs . I believe with proper sized turbos it would be possible to push the engine over 1800 horsepower. Methanol fuel

[@amazeddude1780]

Richard, how about weight to power? In terms of swaps and performance in general, Colin Chapman said it best- add lightness!

[@bigitaly4554]

I’m going to change out the heads on mine (LQ4), pop a decent cam in there and run it. Can’t wait to feel the good torque curve and have highway reliability (over the 455 Olds I currently run). The Olds doesn’t like 3400rpm at 75 mph, where the LS will be waking up at that point

[@eamorrison859]

Great video Richard. I'm wondering if you could do a video of the most power you could squeeze out of a n/a 427.

[@richardholdener1727]

that is very expensive

[@dondotterer24]

Yes home brew cathedral port heads

[@soldierbyname]

Going to be stepping away from og sbc with a 8psi roots to an ls next build. Power is similar . Unreal.

[@hpower8311]

Looking forward to the torque combo video I want to put in my tow rig.

[@jamesphillips6793]

Over here Richard.. Please do a lsa factory blower test on a wrecking yard motor or built-up factory motor... I've seen most blowers you've tested but never the LSA, I've got a ly6 with a BTR stage 2 PDS cam...Please show ignition timing and fuel requirements.

[@richardholdener1727]

Unfortunately I don't have an LSA

[@charliecadaver666]

Love seeing videos with combos like this. I'm slapping together a budget LQ9 shortblock build with leftovers from various previous builds.. Starting with 243 heads and tbss style intake and tb ( gen4 5.3 ) along with multiple ls3 blue and LS6 yellow valve springs, which will be using the yellow's since they are good for .570 lift vs blue LS3's .550 lift. All I'm buying are (or bought) were the x-link adaptor, LS2 head gaskets and after long thought I picked the sdparts LS6 power max cam over tsp stg2 low lift cam. Since SDparts cam was just $239 shipped new vs tsp $300+ and both are close spec'd, seems like it's gonna be a great combo for my 04 Tahoe. I will be using a remanned stall converter good for 2200 stall speed. I'm not sure if I'm going with long tubes as its my DD.. But def. at minimum using shorties and ory to go with my catback.

[@jasonswink9099]

Just to be clear you can use the comp cam 54-459-11 cathedral cam with 799 rec heads? And your awesome thanks for the details and advice and straight forward examples and answers

[@richardholdener1727]

the 799 heads are cath-but you can use the 459 cam with rec port ly6 or ls3 heads

[@juiced71]

I am running a trailblazer Ss awd it’s heavy so finding the best TQ cam 👍🏻 Light to light haha!

[@7071t6]

yes all good with out hi flowing cats and full exhaust you also don't have the auto trans set up, so around 15 to 20% lose of HP to the rear wheels is not mentioned in any of the upgrades ,no point showing the HP at the flywheel or flexplate, you need to put in approx HP lose due to valve train friction loses. :)

[@billybadass411thefirst9]

Best channel on KZbin! Thank you!

[@cargotoolshop5319]

I have an old 6.0L in a truck, need it to pull a trailer but it doesn't feel faster than a 5.3L but it does pull the trailer okay if you can afford the gas

[@ArthurFleck-tx9di]

So wouldn't a port an polished built set of 799 heads equal or more than trick flow heads? Stock 799 vs trick flow pretty danm close

[@reltub20001]

Great job. I don't know of anyone doing all these test

[@UOYtaLOL]

Awesome work! Can't wait for your torque series. But that sloppy stage 2 looks pretty good. Haha

[@ssswdon]

Hey Richard, been loving these videos. I'm new to the LS platform coming over from Ford. Let's just call me a polyglot. Anyways, did you ever do a video comparing the best aluminum and iron? 5.3 and 60 blocks as a base to build high power boosted with

[@richardholdener1727]

for alum-there is only 1 choice-the 5.3L. For iron, any block works

[@stevebolan]

I wonder if you read your comments a while back well dyno test unimotor you said the stock rocker nuts kept backing off my dad was a mechanic from the late thirties until the late 80sI am 90% sure that he told me in the old days when they had rocker nuts that would back off that they would set them on a hard surface and slam the top castle of them with a hammer I would be interested in seeing if this actually worked without damaging The rocker studs

[@GroovesAndLands]

Look up "prevailing torque lock nut". Essentially, it's a nut whose threads are not quite round. They do work, but they also (unsurprisingly) tear up the male threads a bit.

[@timothybayliss6680]

Stock stud mounted adjustable rockers came with what's called deformed thread or distorted thread lock nuts on gm engines. That's part of the reason why when they start to back off, they go out really quick. The locking part of the thread is no longer holding the nut in place. Smacking it flat with a hammer is probably really similar to what happened to them when new. The bottom of the tread is normal so they are easy to start but the top of the nut has misfigured threads... That's actually a really good idea.

[@richardholdener1727]

it does work

[@tiitsaul9036]

Thanks for sharing. Could you do a video about compression ratio? Change nothing but CR. I’d love to see a few runs with 9:1/10:1 and 11:1 CR. I hear it all the time: “high compression ratio requires big cam”. And “ Big cam need lots of compression ratio”.

[@richardholdener1727]

compression adds 3-4% power gain per full point in the 8-12:1 range

[@rustysausage69]

Compression ratio doesn't care about camshaft and vice versa. Compression has nothing to do with the induction system which means changes don't affect induction at all.

[@travisalford6089]

When are your cams becoming available?

[@383GT]

Perhaps a properly tuned cam and square port combo on my LQ4 could see 500+hp fairly safely on 87 octane.

[@shadjohnsen8143]

I may have missed this detail, but were the injectors swapped out, or left stock?

[@richardholdener1727]

BIGGER INJECTORS

[@dannyfoster8673]

@@richardholdener1727 Great Video! What INJECTORS WERE USED for the "459" Camshaft? Gracias Senor!

[@earlhopkins3745]

Richard, what are your thoughts on Compression vs. Boost? Which is better for an all out drag application?

[@richardholdener1727]

both

[@earlhopkins3745]

@@richardholdener1727 Thanks for your fast reply. Been following you for some time now and love all the LS stuff. Well I'm working on an iron 6.0 doing a twin 66mm build. All forged internals 403 stroker. Pistons are 8.5. So, my plan is to go low compression high boots. Build it for rev's and not so much torque. Only have 243 heads but a short ram and 102mm throttle body. Matchbot has it making 1500hp.

[@garycili6989]

Great content! Would also like to see this sort of testing with a 408.

[@houlagan13]

Seconded.

[@aumetalmental8403]

Have any clips with a 6.0/6.2 liter with short stroke for a 302/327 LS version of old school ci.🤔

[@richardholdener1727]

kzbin.info/www/bejne/eYiWZ6lvhsiCpKs

[@violentmetalhead]

Would love to see various stock cam comparisons on a 5.3 and/or 6.0

[@richardholdener1727]

look at the many videos already up

[@ok_boomer4709]

Richard, if you have not already, can you make a video on ecus. stock verses holley units. Would be nice to know how much power the holley ecu makes over stock and also what can you do to the stock to get it close to the holley power output

[@richardholdener1727]

they make the same power if the AF and timing are the same from each

[@DBSSTEELER]

Be honest with what you want to do with your combination and pick your parts for the combination from there. Most of the power difference between the stocker rec port head and that trick flow head is on that particular block you’re giving up a four point compression which is why I think Richard mentioned compression in the beginning of the video.

[@jeffboyer39]

So a ls 6.0 l77 flex fuel 823 heads would benefit from a fast intake and 102 mm throttle body & DOD delete. This will be my daily driver in summer time. 10.7:1 is the cr. Stock. 364 hp with small stock cam. Like the videos and thank you for your time.

[@eliascorteslopez1094]

Thank you for your great content Richard, best youtube channel ever.

[@richardholdener1727]

Wow, thanks

[@eddiehill3545]

Really enjoy your videos very useful information I’m getting all my information on my 6.0 an see what you think I’m making in HP

[@calvinevans8305]

Thank you Richard, I'm going to get a ly6 for my car and give it some air.

[@aubreyroche5080]

I've come back this and other Videos you have done many times. My new to me 2005 2500hd 6.0 wants a Truck Norris Cam & 706 Heads, desiring more Torque in the Lower RPMs, and questioning ..Valve clearance before I do this thing.... ???

[@richardholdener1727]

it will have plenty of p-v

[@BadAssEngineering]

Cant wait for more GenV L83 content, specifically mild daily/tow combos

[@Luminaring]

The direct injection and variable cam timing are beyond huge, I hope 50-100 hp cam gains require only a stock ECU...?

[@austinwaters9042]

I wish there was a test with the rectangle port heads with the same combustion chamber volume as the cathedral port. Say 64cc across the board. Maybe the factory milled 823 heads would be closer to the trick flow cathedral port heads?

[@darwinfridgeseals741]

Thanks #Richardholdener, love to see you test the Magnuson blowers

[@feva4u]

So much great information. Only additional info I wish you'd talk about when you're going over the graphs is what the timing numbers were at. I read so much about timing for the LS2 vs the LQ4 and rec needs less/more timing than that and I really don't know how they relate. Maybe there is no difference at all. I can find dyno graphs for days for my setup but I put LS3 heads on an LQ4 with a 222/230 596/600 cam and have no idea where to go for timing numbers. I've read 16-32 but who really knows haha. I watched your timing video and that was great, just not sure if rec port timing = cathedral port timing and how compression ratio(or lack there of starting with a LQ4) plays into how those numbers move around. I know, I know, verify timing..... Thanks for everything you put out there, longtime subscriber, first time poster.

[@apprenticefelix7740]

how to do a gen 4 ls dod delete