LS1 vs LS3: Which One is Better?
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- Опубликовано: 2 фев 2019
- Article: dustrunnersauto.com/ls1-vs-ls3/
Much like the LS1 vs LS2 debate, the later engine is the better one. The LS3 makes more power than an LS1 and has more potential at the end of the day. The LS3 has better heads, a better intake, and a bigger displacement. But, price limits nearly every car guy. We must pick and choose our parts in order to stay within our allotted budget. For that reason, many of us will end up picking the LS1.
Although we would all love to have to bigger, and better LS3. Most of us just can’t afford it. Like I said in the LS2 vs LS3 debate, I would personally rather have an aluminum 5.3L from a Tahoe. It’s a much cheaper option and it’s nearly just as good as the LS1. All the money you save going with a 5.3L can be put into a set of top-of-the-line cylinder heads.
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What do you guys think? LS1 or LS3? What kind of videos do you want to see in the future?
Dust Runners Automotive Journal ls3
Ok, going back a bit what's your opinion of the Lt1, without bashing the usual opti spark issue?
Vend Master I have nothing! reliable engine for there time and can be made to go fast! out side of the Opti spark issues and leaking water pumps I don’t remember them ever kicking my ass to bad over the years. Thanks for asking.
@@brianroagers6894 yea, I have a 97 trans am ws6 I picked up a few years ago. Very well taken care of... never drive it in rain or winter. Really love it and motor is strong with 80k on the clock.
Vend Master wow nice find
I love my LS1 it’s built with a cam bigger intake, headers, bigger throttle body. It’s runs great I put 140k miles on it then took it to a open road race in Nevada, raced it took the SS Camaro up to 150mph and then drove it home. Ended up giving the car to my son and he’s driving it now. Can’t beat LS motors.
In Australia the ford turbo barra shit all over the ls motors, a turbo 4.0 in-line six that was torquier across the rpm’s, rock solid reliable, easily pushing 500k kms on original internals, more fuel efficient when off boost and on par when on it, lighter which means better handling and incredibly cheap to mod for big power
Nobody cares bout ya 4.0 Ford motor sorry
@@hatedonalot9080 was just correcting him as he said nothing beats an ls
@@SkiRacingOz crazy thing is after I read that comment got to watching videos and it just ends up popping on bout that 4.0 Barra motor smfh
@@hatedonalot9080 that’s a bit of a coincidence lol
Ls1 gang wya?
Yeah boii vx ss owner here.
Vx ss owner here too
gto
I have a 5.3 block with a 5.7 rotating if that counts 😅
I've been a Chevy guy for 40 years - I'm 56 years old so I owned and worked on my share of Chevy small blocks from way back in the day. The interchangeability of parts were great then as now, but the LS was hands down, the greatest innovation in small block V8 technology. I love my 98 Corvette which, other than long tube headers and a cold air intake, is bone stock. The first iteration of the LS1 produces about the same HP bone stock, as the classic factory 396 big blocks from back in the day. Yeah sure, you could cam and upgrade the heads on a 350 or a 283 back in the day, but the most you would typically get out of it was around 350HP. You had to go up to the 396, 400, 427 and 454 big blocks to get into the higher HP ranges. Back then hard core Chevy guys would typically opt to find a 69 or 70 Chevelle SS with a 396 (good motor) but once you got the itch for a big block, Mopars were really the way to go as they ruled that space in that era. But today, the HP upgrade potential for ALL LS motors is something we could have only dreamed about 40 years ago.
Steve, I used to live and breathe the Bowtie as well back in the 60's. We discovered putting the 375HP cam in a 325 HP big block was an Ass kicker without much else. I liked the 440 Mopar better than the BBC though for longevity. The first Roadrunner I put a clutch in was a 1/2 ton truck underneath!! Made the Chevys look kind of tame at the time with the little 10 bolt rear. You're right on with new HP numbers with the LS. Really no need for a BB anymore!
I like the nice engine and transmission were installed on the Chevy Caprice and Impala 1979 ...the fantastic small block
Proud of my 99 camaro ,,best engines of the world in my opinion
I have an LS6 in my vette and i have to say gm gave us an awesome tranny and the engine its so powerful that just an intake exhaust and tires i ran 11.4 that just blows my mind, thats hellcat and 911 turbo territory
@@Vegasclaw Yep. I'm quite happy with my 6 speed 98 LS1. It's not as fast as yours but I only paid 9k for a garage kept Arizona car with under 60k original miles that came with a the additional's of; a competition clutch, long tube headers, cold air intake, carbon fiber trim work in the interior and in the engine compartment and a Bose sound system.
The LS3 every day of the week and twice on Sunday!!
There will always be something better, im happy with my ls1
where do i get an ls1
scoop 43 what do you mean, they come in cars, buy a camaro or go to a junkyard and buy an engine???
i’m trying to put it in my 84 chevy c10 and i don’t know where i can get one. where did you get yours?
scoop 43 my 02 trans am ws6 came with an ls1
Like the ls7 thats better then my ls3
I like how short the video was, good info, facts to support your thoughts. 👍
Well delivered run down on the ls1&3. Kept it reasonably simple without the lengthy ramble. Awesome
I loved the LS1 in my 99 Trans Am, with a 6 speed of course.
I have a 99 LS1 motor sitting in my basement I've had that thing for 12 years build a few other Motors since then but one of these days I'll get the money saved up to build it love those Trans Ams later bye
Hey man great video I really liked it!
Some constructive criticism, the intro and outro music made me want to jump face first into a wood chipper.
Keep up the good work mate!
Awesome video! More knowledge about the beautiful LS family. Cheers
Great information. Please keep doing what you're doing.
Jed Clampett thanks! 🙏🏻
Nicely done! Good volume, pacing and great info layout. Looking forward to seeing more videos in the future! ☺
Thank you 🙏🏻
I like them all ! Great video, you stay on point with alot of info.
Thanks 👊🏻
@@Dustrunnersauto punches him in the face 😂
I bought my truck new in 1999. it has the LQ4 all cast iron 6 L. Love it and will keep it forever.
Nice, thanks for watching!
Good job for a young man I've been dealing with engine building for 30 years good job
I have both. I believe it comes down to application. One is in my daily drive work ute, the other in my HSV weekend drive. The LS1 has done 275,000 kms with minimal work, always maintained though. The LS3 goes hard for sure but is sometimes very expensive in parts.
I've been writing about Corvettes for decades for Vette Magazine and you are spot on correct! The LS1 started out at 345-hp in 1997 and went to 350-hp in 2001. The LS3 came out in 2008 rated at 430-hp, an 80-hp bump over the LS1! The LS2 came out in 2005 with 400-hp. However, an LS1 can be goosed easily to 500-hp with bolt-on hardware. But an LS3 with the same bolt-on will be stronger. It all comes down to how deep your pockets are. Excellent video!
Thanks! 🙏🏻
No ls1 will reach 500hp with bolt ons, you need a huge cam and max ported heads/intake e85 to break 480hp
@@gabrielcollazo6835technically speaking, turbos and superchargers "bolt on"
LS3 blessed by the hand of god! in our Modern days nice to have 400+ hp easy to work on and Affordable for most!!!!!
sorry man no offence but 400hp out of ether a ls1 or ls3 is a walk in the park
I know easy to say these days when having a 400-500+hp v8 is as common as having an ass hole attached to you.......everyone has one!
Wasn’t my point but you made one!
Not hard to make way more power than the base number easily mode friendly everyone’s doing it, but I’m a old fuck now and times have changed that is with out a doubt, I like walks in the park 💪
Brian Roagers I’m not that young ether. I’m a convert from the old days but that being said, remember 400hp isn’t even that impressive for a 350 small block with vortec heads
Aaron Bridges I get what yr saying
Right, I'm a ford man but I always give LS its respect, With just Long tube headers and a cam you can pull well over 500hp, that's incredible, mean while 200grand AMGs only making 450hp.
LS is boring now, every man and dog is swapping em.
Couldn't agree with you more.
Great job.
I've got an LS3 in my 2014 GMC.
Just awesome,.
Thank you.
I've learned alot.
Unless you swapped it, the engine in your GMC will be the truck version of the LT1 which is also a 6.2L engine
Thanks, i needed that!
👊🏻
I’ll have one of each, just to be safe
Great vid. 2012 ss2/RS Camaro LS3 owner. I’m built and dynoed at 547hp and can’t weigh in on the difference but I’m happy with my LS3. God bless America and our American made cars.
547rwhp? Whats the torque?
The ls2 is my favorite engine. Ls2 with ls3 heads is pretty good.
But why not a whole LS3?
GM calls this the L76
L76 is the displacement on demand version, correct? L98 is the non DOD.
LS2 with LS3 heads is a nice combo.
Poor mans ls2
Good information...and yes sir...you are correct!!!
Thanks 🙏🏻
You've nailed it bud,it depends how deep the pockets are but generally,it's extremely rare for engineers to design a new engine that performs worse than a previous design,it comes down to bang for buck and how much the benefits of the newer design are worth to a buyer.
A new engine design could have a flaw that reveals itself long after production ends. Builders would then desire the earlier design.
Thanks for the info that was awesome
Wow....I learned a lot from you today!!!
I love my old LS1 ,, It’s done nearly 300,000 Klms And it still pulls like a bull in spring, Mind you I change the oil every 5-6 thousand ks Keeps it running smoothly 👍⁉️😂🤣
Cylinder deactivation is not a cool thing. I would avoid it at costs.
Interesting debate about the LS engine family between the 1 & 3, Cheers :-)
Thanks for the info, here in Puerto Rico theres a big scene of muscle cars and europeans and japanese cars that would happily fit an LS in them , shipping its expensive here so for a v8 these are pretty lightweight, not to mention the benefit of it being lightweight in vehicle Driveability
LS7 is my favorite of all of them, but the Lm7 5.3 is probably the strongest, and the LSX-R V10 is the most intriguing of all of them. Factory engine that got shut down by GM in the early 2000's cause of who knows what. Also all the Sub engines like L99, L92, lm7,lq9, LLY, LY6 etc. Are all Ls engines because they all have the "LS" block design, just different cubic inches and engine materials
I have a stock LS1 in my CJ7 and it has more than enough power. It's actually scary fast.
That’s what I am thinking of putting in my CJ. We’re you able to use all the factory accessories?
Concise and informative. Thanks
Great video, thank you for an actual description. 🥇
Thanks for watching 👊🏻
*_I think it is so great to have options from GM. Even if you go to a LT1, The plug and play of this manufacture can't be beaten_*
Easy Fix true. Thanks for the comments 🙏🏻
Every manufacturer has plug and play.
@@darrenmcfeaters6683 Probably true. But is it as good as GM's "plug and play" adaptability?
@@EasyFixShaun Ford's Modular (mod) Motors are very adaptable like that.....buuuuut....I own 2. 1 (4.6 3v) in an 05 GT Mustang and 1 in an 07 Expedition (5.4
3v) Its just that finding HP in these things is like finding chicken teeth. I have LS parts at the local machine shop right now for my 89' GTA Trans-am convertible build with an on3 Turd-bo kit to slap on it. Had a trick-flow headed, Lingenfelter cammed, 383 TPI and a Paxton on it when I tore it down.
The first lS1 engines did have some cylinder bore and ring issues.
That they rectified the issue by the time the last batches were built.
The lS3 has more capacity and no inherent design issues.
So straight from the factory the lS3 is the clear choice.
But when rebuilding engines comes into play it is open for conjecture.
😉😉😉😉😉
The issue was the piston rings, they lowered the spring tension to lower internal friction and it didn't work; high oil consumption.
Nice breakdown!
Thanks!
Nice vid. Good detail
Listen people ls1 lt1 motors can be modified to your performance needs as the ls6 and ls3. Also lsx aftermarket engines are performing as drag car engines any ls1 series engines can produce twice there displacement in horsepower !!!!!
A cable throttle is the only way to go
I have a fly by wire throttle in my 2002 camaro, has zero issues... Also makes tuning throttle response easier
Only way to go for those that enjoy a black and white CRT TV.
@@aaronnoyb
CRT have faster response time then LCDs, just like cable throttles
😎
@@Adam-rt7lp
Touche, well played, great reply.
But my data logger disagrees with you. Swapping to cable, netted me more power from 4500-5400, than the FBW it replaced, after 5400 the HP/TQ numbers matched. On elapsed time from 100% TPS, the FBW got there first, boost pressure climbed quicker too, same dyno, same day. It did show me that the FBW throttle could go 100%, earlier than it was set for, I haven't had dyno time since swapping back, to test the theory. Turns out manifold velocity is important, in boost, but under waste gate boost pressure, who knew, maybe GM. Swapped back for street manners, fuel economy and most importantly traction control after cruise control tried to kill me in the wet.
LSA based setup.
@@aaronnoyb Here's an idea, don't use cruise control when it rains, snows or sleets. Otherwise known as slippery conditions.
I just sold my '00, Z28, it was a solid 13.40's quarter mile car. It was an all stock automatic with the GU5 performance axle. I bought a '08, LS3 Corvette, 6 speed automatic, it has Corsa exhaust and a Corsa air intake. I haven't had it to the track yet, but, the LS3 makes my LS1 seem pretty tame. I'm hoping for some 12:40's when I hit the local drag strip this summer.
Good information
Thanks
No reason to watch the video.
LS3 hands down. There is nothing better about an LS1.
LS3 has better:
Block strength (rotocast from 2009 and up)
Block breathing
More displacement 376 vs. 346
Rectangle LS7 STYLE heads with better valve angle and larger valve size.
Stronger castings
Better intake manifold
Better exhaust manifolds
DOD for better efficiency
That’s all I can think of off the top of my head.
DOD is ass
Amen
if you can find one and also depending where you are, some country's used them like australia, but then again it comes down to Oe parts very expensive compared to aftermarket parts for the LS1, even the L98, L77 6lt engine has better power and better support aftermarket wise, cheers :) Spend a couple grand on a L98 or L77 and you have at least 400 HP at the rear wheel's, but spend the same on the LS3 6.2 Lt, if you have a stock car and you just get to that much power, if you get my drift ? Also depends where you take your car to have these aftermarket upgrades, like headers, OTR, tune etc. :)
Brandon 2SS
The LS3 doesn’t have DOD.
cough... Price
Just a FYI, Gen4 also has much stronger connecting rods. You actually can swap Gen4 rotating assembly into a Gen3 which is popular for budget boost builds because of the stronger rods from the factory
Thanks for the info! I knew Gen IV has a stronger bottom end, but I didn't realize it was that large of a difference.
@@Dustrunnersauto I have a set of Gen3 and Gen4 in my garage, I'll be sure to cover the differences this summer when my project is in full swing. First look, there's a significant difference between the two generations.
@@Dustrunnersauto also FYI only 6.0 and larger gen 4 engines have the rec port heads. the 5.3 and 4.8 still have cathedral because the intake valves are so large on the rec port heads they wont fit the smaller bores.
I have a 5.3 lm7 in my Z and I’m in love
This video makes me wonder if an LS3 crate motor could be a drop-in replacement for the LS1 engine in my 2000 Camaro SS with auto transmission?
Yes it should. Their is a 4 gen Camaro on RUclips, ls3 engine in it. Awesome car!
yes
@@crw3673 You have to get the crank pick up adapter harness
@@demarcodraper4266 you are correct!
I don't think a 4L60 will last very long behind an LS3
You didn't mention the 3 is 60lbs lighter than the LS1, and smaller, despite having larger displacement
Good simple explanations of LS based motors.
Super info..well done video. Thanks
Thanks! 👍
Bang for the buck wise you can't beat the 5.3 lm7 truck motor . They're super cheap there's millions of them around and they can hold a dump ton of boost on a completely stock motor . a healthy stage 3 turbo cam a 76mm turbo port and polish and some 80 lb per hour injectors a better fuel pump and you got a reliable 800 horsepower vehicle . Give it a good forged crank shot peened rods a good set of main bearings healthy cam and some bigger valves maybe a set of roller rockers and some beehive springs and a really good set of pistons and you can run quite a bit of nitrous on it as well . There's quite a few articles out there about how well the 706's actually work and why . As well as dyno proof to back it up . I think super Chevy did the article . Make no mistake there is no replacement for the strength of an iron block . No matter what you do with the truck motor you can be ballin on a budget .
Dr. Westside lm7 iron block is my choice also
Dr. Westside x2
I'm building a daily driver pro touring track car that I can beat and have fun with. I'm mot sure witch motor would be best. Budget is 15k . I will need everything motor ,trans., cooling .driveshaft. fuel tank ect. and as much power as I can get, I would like to boost it but not sure if realistic with only 15k. Or have it built for boost down the road? looking at 6.0 iron block for about 1500k or I found 2011 vet .LS3 for 4k. I'm trying to learn as much as I can. I would like to have your opinion on this? thanks Chris
I'm thinking of upgrading g to a 2016 Camaro LT1 with 6 speed for my 4th Gen
Random Stuff let us know how difficult that swap is...... I been thinking about a new lt1 but all the tech bs prob be easier an cheaper for ls3
Just go H/C and you'll be fine instead of the LT1. PS-4th gen power! LOL
Impressive and informative video
Thanks 🙏🏻
Awesome info
I swapped a ls3 into my 5.3 crew cab Silverado and want to try out a ls7 in my 68 camaro but may end up going with a ls3
@John Carosi
Except the LS is one of the most reliable engines ever made....
I like my lS2
michaelpace64 have you had any problems with it
Good information and you don't repeat yourself.
Very well done, thanx. How does the Cadillac LQ series fit in?
I know this for sure, my LS3 (Holden VF2 SS - aka Chevy SS) makes an LS1 seem like it's standing still ...lol
cameros are great
Can confirm have a E2 GTS with small cam, what LS1?
But then you get chopped by a 4ltr barra
@@robertarchbold8658 ruclips.net/video/Bq9yS9coqyY/видео.html are you sure? 🤣 Still the Barra is a monster.
@@robertarchbold8658 slap a hair dryer on any engine and it will make NA motors look sick no matter the HP.
Better comparison would be LS2 Vs LS3
Maybe that video will come in the future 😉
@@Dustrunnersauto yeah theyre not even the same gen. Better comparison would be ls2 or ls6 against the ls1.
LS3 is basically a bored LS2 4.00" to a LS3 4.065". That's where the 364ci 6.0L to 376ci6.2L comes into play. The biggest change is the larger rectangle intake port and larger valves on the heads. The LS3 is like the little bother of the LS7 that has all the kinks worked out.
Chris Topher I know you can bolt ls3 heads on the ls2. But if I’m not mistaken, can’t you bolt ls7 heads and camshaft???
@@christopher3067 No, LS3 is a totally different block than LS2. They are not the same or the LS3 is not an LS2 with a larger bore as you stated.
Great video
Ls3 rules
Ls3 rules
Can you make a video about the LS 2?
That video may be coming in the near future!
@@Dustrunnersauto Thank you. Really looking forward to see how it equals to a LS 3.
4.Great to the front!!!
Also earlier engines have a 24x crank angle sensor while later have 58x. Important because the harness is different
Yup!
Any commodore people?
Yeap. Looks like with the L77 we are a lot closer to the LS3 then the 6.0 truck engines are in the US.
Statesman with 5.7 in it
Vx ss short shift otr. My baby
Yep vx ss,vy ss
Shouldn't the real question be which one handles boost better?
I had thought about using the heads and intake from a 6L however im not sure about that anymore but there are options from performance shops where they have worked and tested heads for the ls1 a few grand worth of heads but it has more flow
you talk LS sense. Enjoyed your vid big time.
Good God, it's all Greek to me ‼️
Just gimme the one that'll do Tha best burnout ...😀😎😀
@JOE SCHMO haaaaahjjaaaa
You forgot the 6.0L LS2 which came between the 5.7L LS1 and the 6.2L LS3.
Well done sir
Great great info
Bigger is better
Cubes definitely help make more power.
Scott. Not when it comes to women.
Rick Taylor just add lube, and she’ll be fine.😂
LS 7
That wasn’t the question though.
Yea it’s better at dropping a valve!
@Echo Drive yea
Echo Drive yea
@PRN 123D
No it's far from a common LS7 problem. Yes, there were a batch of valves put in to some LS7 heads that were prone to failure. This was taken care of, and the actual truth is that LS7 heads were never losing valve heads left and right. It strikes me as somewhat common that a lot of people will talk about the LS7 and dropped valves. However, most of these people have never experienced it themselves, nor do they know anybody who has. They have usually never owned an LS7, or much less wrenched on one.
All in all, the LS7 is a great engine, and if you ever find yourself buying one, do so without worry of the valves. If you get a used one and plan to run a hot cam in it, upgrade the valves and springs as you normally would.
nice work
Thanks a lot 👍🏾
A "BLOOMBERG" AD???
SERIOUSLY???????
I collect 6.0 and 80e's from trucks and Express Vans like some people collect Beanie Babies
Y'all can keep all those "fancy" engine's....
CANT ARGUE WITH THAT LOGIC lol your right
That 6L is an incredible block.
What is 6.0 and 80e,s mate .
GOOD VIDEO
Make one of a LT ENGINE L83 vs other LT Family
Thanks for the Vid I see your like a ls Guru ,,Did a 5.3 Swap truck engine and was wondering what would be a good cam across the board low and top end with stock converter ?
Ls7
Why?
I'll take an LQ thanks.......
Tks well explained
My 2002 Z/28 Vert with the auto 4-speed OD with 325 RWHP is plenty & always puts a smile on on my face even with 143,000 miles original everything including spark plugs ! Anything more is just a bigger smile ............
Sometimes it's hardly worth upgrading from an LS1 to an LS2 engine because then HSV increased their power output in my model (2002-2004) they got up to 285 Kilowatts just from a change to a higher flowing exhaust system & headers as well as tuning which was 40 kilowatt increase from the stock 245 kilowatt twin exhaust engine.
Mine is on par with the stock L76 (6 litre V8) which was fitted from 2006 onwards with the DOD deactivated up until 2009 when they switched it on,HSV did however fit the LS2 between 2004-2006.
My LS1 is a 2002 model & Holden ordered all of the LS1's with the more aggressive EGR cam (1999-2000 Camaro camshaft) all the way through but they ordered them with the higher flowing LS6 intake fitted from 2000 onwards.
It's particularly the case with the 300 kilowatt LS1 engine (Callaway engine), it's hardly worth upgrading to the 6.2 litre LT1 which has a 304 kilowatt stock power output unless you do at least a tune & exhaust upgrade on that engine !
Yea u right about LS3
You blokes don't know much 😁
Lt1 has 495 horses stock
Ah the LS, the engine that just gets better and better
In 10 years, the stock LS will probably make 1000hp and get 50mpg
Exactly.
I'd be happy even at 300-500Hp at that 50mpg XD
You do realize that the LS is no longer used, yes?
It has been replaced by the LT several years ago. The LT1 is damn near 6 years old.
@@AB-80X They stopped making the LT engines in 97 or 98 because it had a piss poor distributor/water pump design. The LS was the next generation AFTER the LT.
@@ivanlaney2336
What the he....
Are you so far behind that you've missed the fact, that the LS successor debuted in the C7 Corvette in 2013? In case you are unaware, the Gen V SBC is called the LT, again. Will you also argue that the LS6 was not an engine for the C5, but only a 454 from the 70's? No GM car has been built with an LS engine since 2015 when the trucks and suv's switched to the 5th gen SBC, the LT. The LT you speak of, is basically to the Gen I SBC what the Gen IV LS was to the LS 3rd gen. Same basic platform, but slightly updated. The current LT is to the LS what the LS was to the Gen I/II SBC.
Tks for sharring very informative..
Thanks 🙏🏻
Your right!
What about ls3 vs new lt1
RUclips GM LT vs LS..
What about them? Not really comparable.
You want an ls3 on a budget. Buy an lq9
Yup! Thanks for watching.
@@Dustrunnersauto will you make a lq9 vs ls3 video? ..please?
Ls3
No not the same. Now if you said a l92 i would have agreed
Hi thanks you for proofing that I was right about a LS 3 engine is better and faster than a LS 1 engine . And thanks for letting me knowing that there are LS 4 to LS 7 engines out there in the world guy !
I love my built ls2, it’s chop monster.
I have a lsx454R sooooo... I don't care about my gas mileage
Nice!
Brag much?
Want one of them one day
Humble brag!
Grid up.
Why doesn’t anyone talk about the lt1 or the lt4? 🤔
Because they t junk
Mull ma lmao they have beefier internals than the LS series and make crazy power with just boost thrown at them while getting better mpg
That video might be coming in the near future 😉
@@maalmull
Junk?
We now know that you don't know the first thing about either engine.
Move along Skippy.
Know Bull5hit beefier internals on the LT4 only. LT1 is the same as LS3 for internal’s strength. If you’re not running meth injection on the New LT series engines the the valves will get dirtied up pretty quick.
Man this guy knows his stuff
Thanks for watching 🙏🏻
Good video.
LS3 > LS1/LS6
The only LS1 variation that holds a candle to the LS3 is the 5.3 & 4.8 truck motors.
They are heavier but they can take the abuse of forced induction, and they are CHEAP.
LS1/LS6 NA = 450-500 rwhp max
LS1/LS6 FI = 550-600 rwhp max I haven't seen any LS1 engines make over 600 rwhp and not break.
5.3 / 4.8 FI = 700-750 rwhp max Pushing 750+ is when they fail
LS3 NA = 500-550 rwhp max
LS3 FI = 630-680 rwhp max Pushing further is when they fail
The only reason you end up with a LS1/LS6 is because the vehicle you have came with it.
If money was no object, you buy a LS3 or LSX block.
If money is tight, you do what you can with your LS1/LS6 till it blows up. Then you go get yourself a 5.3 for $500, spend $1,500 making it "bullet proof", then spend $5,000+ on forced induction.
Danger Noodle What entails “bulletproofing” a 5.3?
@@SkypowerwithKarl Replacing rods & pistons and bearings, honing the cylinders, proper gapping of the piston rings for forced induction.
Thanks man!
A 5.3 makin 700!hp is just a ticking time bomb
I'm all LS1 all day