Why the LT engine is even better than LS, and may be better for you.
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- เผยแพร่เมื่อ 15 ต.ค. 2020
- Is the new LT engine better? Find out now why you may want it in your next project. All the details from stock horsepower numbers, to maximum power handling, to technological advancements that may make it a better swap for your project.
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When I hear Chevy LT engine, I always think of the older LT1's (and 4's and 5's) from the early 90's. Weird they went from LT's to LS's then back to LT's, not confusing at all.
Well if you remember we had the LS all the way back in the 60s. So it kinda makes since(kinda)
a 70s lt1 also classic SBC powa
auto manufacturers are always doing stupid crap when naming things, its nothing new.
@@jacobclayson2372 they run out of RPO codes and its marketing when peps demanded the Z28 performance package Chevy marketed it
Living proof GM is confused about engine designations, but NOT engine power!!👍
I have a 2018 SS Camaro with the LT1 engine. I love the power and gas mileage. Chevrolet hit this car out of the park. I only have 30,000 with only oil change and no valve train noises. I'm a Happy owner and will keep my Camaro, I'm 65.
Same here, I have a 2018 Camaro SS and it handles great and very little maintenance issues. The only issue I came across was transmission shutter at 83,000 miles which was fixed with a transmission fluid flush. But other than that no issues 👍🏼
I’ll keep rocking my LS2 ‘cause I’m broke
I'll keep my lq9 because I can't afford an ls2
I’ll keep rocking my le5 ecotec because I’m broke
I keep rocking my LS1
@@oscarverdugo8603 What’s car is it
@@theaube9834 02 trans am
Simpler means less to go wrong, I'll stick with the LS.
Good Commant. TH-camr
Leon C. AKA M. Talks of simplicity on many other subjects also. Check him out👍
@@clleon28 aoà
I'll do you one better; I'll stick with the original small block. Horsepower and efficiency be damned. They require NO sensors or computer to run. NO special tools beyond a torque wrench to assemble.
@@tempest411 Agreed!
Thats the attitude your supposed to have. Same as the sbc guys that wont touch a LS because all of the scary SENSORS 🤣. The next generation with be laughing at all the LS grandpa’s that are stuck in the past. Most people are only comfortable with what they know.
As a well-known GM hater, I have to concede that the LS and LT are *amazing* engine designs.
You sir win the comment of the day award. : ) Classic. Im curious, do you have a project car?
@@AutoGuild LOL, no. I don't even have a car right now. :D
@@ChadGeidel Then how did u get to be a GM hater? Family? Friends? And what is your dream car then?
@@AutoGuild Hah! Great question. I grew up in the midwest in the 80's/early 90's when GM's cars weren't great. My brother is a huge GM (truck) fan and I was a car guy. I was a fan of Japanese stuff - efficiency and sporty practicality. Today, as an older person I value Colin Chapman's "Simplify and add lightness" philosophy (I've owned an Elise and a ND Miata - see my channel for track day videos). My dream car is currently the T.50, but if I had under $100k I'd probably get either a Lotus Evora or a Caterham.
For a daily driver I wouldn't hesitate to get a Bolt or a Volt. GM is making amazing electric vehicles and I wish more people would recognize that.
@@ChadGeidel I just watched a few videos on the T50 recently. Love it. Thats my dream car now too. And a manual GT3. We are similar, I had a 350Z and then graduated to a 986.2 Boxster S. Then I bought a pile of crap 1953 home which put my car fun on hold. But now I have a 997.2 C2S. I needed a back seat for kids! But like you I prefer small and light and mostly mid engine. My 68 Camaro I've had since high school so its a part of me now, I can never sell it. Its of course not that great to drive compared to other cars I've owned but looks cool and has amazing nostalgia! Have you driven an Elise? Its crazy raw, but I actually prefer the Cayman/Boxster...you get 98% of the performance with more creature comforts! And what do you think about the new Vette?
Complexity is the enemy of reliability and affordability
Amen!! WHY is that sofa king difficult for people to understand?? Just the ultra-high pressure direct injection of the LT engine is enough to convince me to stick with an LS design. GDI engines have had nothing but problems, even with oil catch cans, etc installed. And the integrated Stop/Start system. Shoot me, please! Now.
Yep. I’m in Australia and I made sure I got myself the last Holden Commodore that had an LS without DoD, cam phasing and all that shit. If I gave a crap about fuel economy I wouldn’t have bought a V8!
@@maxcactus7 amen 🙏
@@maxcactus7 so phucking* what's so difficult about using the proper word, and having to retort to an ATHF joke.
True that
Dude this is actually an insane presentation. One of the best I've watched. I'm definitely saving this one
it is true, this guy made great job, much greater than advertisement
Amazing video. On a side note, the stock ECU and the LT1 respond well to a Flex Fuel sensor after an HP Tuners dyno tune session. Mine gained a total of 30whp above 93 octane.
Finally someone that knows about how they measured hp back then great video
Joke back in the day: US horsepower was measured in terms of fully grown Clydesdales and European cars measured in shetland ponies (with fantastic leather saddles).
They ran at least the exhaust manifold - not "no exhaust". They also ran Leaded hi-test, as it was available.
But running "no water pump" is cheating.
@@peterdarr383 Of course they ran exhaust manifolds!! If you expose the exhaust valve to the atmosphere with nothing but an open, bare exhaust port, it can, and does, warp exhaust valves......
The LT1 is the best kept secret. You'll hit 100 mph and not even feel like it. It's powerful
Well its a european chassis from Austrailia. What did you expect.
@@MasterCarguy44-pk2dq😂😂😂😂😂😂
@@MasterCarguy44-pk2dq and you believe in the Easter bunny, tooth fairy and Santa too right?
I’m still going with the ls bc it’s cheap and easy to build power on
An "integrated Stop-Start system" for improved mileage? I hope it can be turned off. I don't want that crap on any vehicle I own.
Gm thinks you can save 100bucks a year on gas from stop-start but then your starter motor cost you 300-800 to replace
Totally agree Mark, that system is terrible on any vehicle. It can be turned off but has to done every time you turn the key. Pain in the ass! But the aftermarket has come to the rescue. I say a plug and play controller that turns it off for good. Don’t remember the name of hand. But a google search will find it.
I never use mine. First thing I do immediately after fire up is push off the start/stop. I have learned my all family to do that too
@@Elmiki007and battery.
Only if you have long stops on idle you save something.
@@Elmiki007 Whether you like start-stop or not, we get much better heavy duty starters because of it. Ask around cars that have start-stop very rarely if ever have failed starters compared to cars without start-stop. The starters are lasting the life of the car.
I can’t even wrap my head around what all it took to put this video together. Absolutely surgically done. Right there with Fortnine.
I also enjoy motorcycles. Fortnine , Ryan is TH-cam leader for sure in the production and information quality
For now I’ll stay with the LS platform
The LS engines have proven they can cope with well above the factory rating and every year we see the number pushed further. The LT for the moment is not affordable ( certainly not here in Australia) and the tuning options are limited too.
Certainly the LT is an excellent power plant that makes amazing torque and fuel economy and would be a great engine swap for a car that would be daily driven where the factory output is all that’s required. As the engines become affordable and development of aftermarket parts and pieces increase along with tuning options then yes I can see these engines overtaking the LS just as the LS overtook the gen1 SBC.
Great content though and I’d really like to see the Camaro LT swap 💪
They also have fewer moving parts. With being pushrod and all 👍
Absolutely!!! Yeah you should do a video of your swap into your Camaro . I’m always willing to learn about any engine you want to showcase. I love learning about the new LT engines. It’s truly crazy how much horsepower you can get now out of your engines. It use to take a lot of work to get your engine up to anything over 500hp with the technology we had but now it’s crazy how you can just go on your lap tap and change your timing your air fuel rates and see what is going on in real time it’s awesome. Thanks for the videos
Kudos to your level of detail in comparing every little difference between the two engines. Your videos are incredibly professional and a joy to watch. Thanks so much!
We run these 6.6 ltr blocks (iron) in our natural gas gathering group. Heavy duty service, up and down very rugged mountains in Canadian Rockies. Engines work and run amazing! I've been running trucks in this environment for 24 years, and this is this best torque monster of all gas engines I've had. It doesn't have to shift as often as others, and completely reliable in our fleet. OEM trans lines blew off most every one, after -25'C. 2021 era? Just received a new one three months ago, currently -39'C and no issues. Problem resolved. Great truck, great engine!!!!!
Great, clear and concise video!
Yes to the swap video series.
Such a great video! E85 conversation kits for the LT1 seem to be working just fine. Along with other mods (heads, cam, bolt-ons) these LT1's are making 600whp NA. Yes put this engine in your Camaro.
But the entire reason for the LS swaps popularity is price and availability. Show me where I can get a perfectly running LT motor for $250 lol
Wheres an LS for $250?
@@brainwashingdetergent4128 rust belt states, where the engine is left after the truck rusts away all around it...
@@heyallenify yea but then there is shipping and still a rusty old block with seized bolts not exactly perfectly running imo
@@brainwashingdetergent4128 I live in Michigan and they’re plentiful out here lol
@@brainwashingdetergent4128 bone yards in fly over states
Your commentary on Cross comparing the engineering evolution of the GMv8 small block, at a glance, is very informative an impressive. Keep it coming.
Love these videos man !!! Very informative 💯💪🏼
Please post your lt swap for 68 camaro. I found this very informative and interesting. Thanks for taking your time and money to do so. ✊✌✊ long live American Muscle ❗
I say go for the LT swap on your 68! It's something that not to many people are doing right now. Plus it would be a great build to see on TH-cam!
Great presentation.
I wondering about the details of the integrated PCV system now, especially considering how direct injected systems are typically prone to dirty intake valves.
I love the new cast headers and heat shields, and the gussetted water jacket.
great and informative video, fun to watch. You picked up another subscriber
Looking forward to your engine swap with the LT something new for a change, thanks for the video!
I own the LT4 in my C7 Z06 I just love the Lt4 engine.
Just wait till it breaks
I do love the fact that the newest LT1(2014-Now) share the same serpentine belt routing as the Gen II LT1(1992-1997).
Great video will watch again so much info. Just got the C8 learning more about it everyday.
Bro for rookies like me who want to learn about these engines, you've done an amazing job making this video and teaching us about these engines, AMAZING JOB BRO..GOD BLESS AND THANK YOU
Thanks. Now I know a little more about my 1LE.
I am currently working on a LT1 swap into a 67 Camaro so I would love to see it in your 68!
ok so where is it at?
Thanks for the video, very informative. I have a 2018 2SS 1LE Camaro and so far so good. The engine’s torque along with the car’s handling abilities is what sold me vs the Mustang’s with the coyote. I did install a catch can ( Mighty Mouse ) since they’re highly recommended on D.I. engines
I’d love to see that series, I’m personally thinking of buying my dads 68 in the next few years and I was gonna put an LS in there but with how engines are nowadays an LT would be real nice.
Love the graphics!
As a 70 year old hot rodder, I luv my Cadillac CTS-V!!!
I get 17mpg in a 1,000 horsepower CTS-v. I appreciate my 1969 GTO but it is hard not to enjoy the comfort and power of the V.
That Cts-v is scary fast!
Same! I LOVE my 16 ATSV. Tuned to 550 to the wheels
I gotta tell ya, this is BY FAR the best explanation video I've seen. GREAT job! I've been spinning wrenches on cars as far back as I can remember. I actually rebuilt my first sbc when I was 14. My older brothers were blown away that it ran strong and smooth when I was done with it. They kept snickering under their breath at me as they watched me put it together. I'm still not sure who was happier when it fired up for the first time, me or them! Ha! I've been retired for a while now but I never stopped building cars. I still have several SBC's on engine stands waiting for homes including 4, 400's. (406 ci now) Also a BB 427 with a all steel rotating assembly. It's almost 2021 and the LS has been out since 1997 but I've YET to do a swap with one into an older vehicle. Now the LT is going on 7 years old!!! I guess I need to give some serious thought to stepping into the 21st century. 😂 Loved the video and I think it would be awesome to see a LT swap into your Camaro.
I rebuilt my first small block at 15 so you have me beat!
Love watching this episode over and over.
Until injectors become available, the LT platform is pointless, especially in C8 trim, as the ECUs are still locked. Put an LS into your car and thank yourself for it in the long run.
No doubt Ls is the most efficient and economical swap. I personally am loya too the Lt1 but you cant even compare to the Lt5 6.2 come on, Hands down and im speaking stock.
Because if not im stroking a small block
Higher flow Injectors are available, but the stock LT4 fuel system has proven itself to over 800hp
There are plenty of injectors available for the LT1. The LT4 injectors are good for a lot more hp than what the LT4 puts out. Upgrade the fuel pumps and switch to flex fuel and it can make good power. Also the LT1 can be tuned by tons of people.
The problem with the 90s version of the LT1 was that the distributer "optispark ignition" was located under the water pump. The water pump failed a known problem, then it would foul the ignition system due to moisture. I have personally seen this in my 1993 firebird formula.
My ‘96 LT4 Vette is apart right now for just that…. Water pump and opti spark
Appreciate all the information. Would be very interested in all the swaps with the LS and LT.
Nice piece of work here. Learned a lot. Thank you.
I will stay with the LS.
Probably like when you said you'll stay with the gen 1
@@kkoch666 never had a gen 1 but I do have a 08 Z06 and 18 Z06, like the 08 much better.
@@kevinz0681 plus you can get the 08 for 1/2 the cost and hci you’re right there with the 18’ z06.
@anthony What do you do with all the time you save on not using punctuation?
@anthony sound like you own shit dodge or a Prius, I’ve never had any problems with Chevy motors.
Yes, go for it, love that kinda content, engine swap 👍
Got it! Thanks for the support.
@@AutoGuild please do. I am considering a swap with an LT in to a g body. I believe it is from a 2016 Corvette.
M nm, h
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@@AutoGuild ,
Wow !!!! Awesome video and explanation. 👍 🏁 🇺🇸
@@AutoGuild do more information on the ls. I've got a 67 Camaro I'm thinking about replacing my 572 - 700 hp 710 torque to a little LS for gas mileage. I'll have to spray it with nitrous or screw blower to keep up with or beat the 572 engine. The ls though is a lot lighter engine.
I have the c8 and c6 vette. I learned a LOT from this video....Great Job...Thanks for posting!!
Loved it, thanks for ALL the details. 👍
Yes, would love to see an LT swap
The engine power upgrade wasn't the main thing. Its the new mid engine layout. It makes the car handle and drive way more fun.
Great informational video man love it! I go for the lq9 6.0’s, just my poison hard to come by sometimes. So many lq4’s everywhere but I don’t want to change out pistons.
I’ve had a ton of American v8’s but this gen 5 LT is amazing to me on how much punishment it can take and the powerband is so freaking wide. I don’t know if I’m ever getting rid of my vvt now!
It wont last its junk. That cylinder deactivation always gets gummed up nd the direct injection sprays fuel on intake valves nd causes carbon build up prematurely nd with that carbon on the valves it wont let the valves fully seat nd u will get low compression. It is advised u put injector cleaner every year
@@jackdaniels2657direct injection does NOT spray fuel on the valves, direct injection sprays directly into the cylinder
The e85 conversion kits seem to work with LT1s.
I never knew so much about this engine is such a short period of time! Keep em coming I subbed!
Thanks! Will do! Whats your project?
I need to see that engine swap!! Love your videos and all the information you put in them I can’t stop watching them
You’re crushing it. Keep it up.
Thanks, much appreciated! Let me know what other types of videos you'd like to see.
@The Shapeshifters Misale I have a video on that already, search youtube for "history of the LS engine" : )
LSA checking in 🤝🏿
Loved the detailed comparison and amazing animations in support of the topic.
EXCELLENT detailed video between the two and keeping bias out of it. You can tell you favor GM slightly but you keep that out of the equation. I too am a Gm fan because of how great they are, easy they are to build and to throw in anything, how cheap they are, and the options available....But the coyote has proven itself and it's nice to see an unbiased head to head. Subscribed....keep'em coming 👍
This was very interesting, thanks. I understand the government mandates pushed the engine development (from Gen 3 to Gen 4 with AFM) in a direction of lowered reliability. With the latest LT, is this still motivated by mileage? Some argue for the simplicity of the old 350. The reliability jump with the Gen 3 was significant however. My LM7 is still going strong after 275k miles. I only changed the knock sensors, intake manifold gaskets, and a few water pumps. All very easy to do by myself with 10mm and 13mm tools. These Gen 3 engines with their controls seem to be able to take a lot of abuse and provide service for a very long time. I accept the mpg hit for an engine that may outlast the body. Interested in your perspective on this.
Do a LT swap I'd rather see that and enjoy watching it than be educated Good video though very educational
I love this kind of info, I liked the video and subscribed.
Awesome knowledge transfer!
Nice one. Greatings from Colombia 🇨🇴 south América
Gen 3 5.3 gang wya
I never did a LS engine swap... Now the LT5 came out and Im impressed so I bought me 1 for my Chevelle.
650 hp stock out of 5.5L is fuming crazy
This was great detail and lines up with a lot of our content on the history of Corvette propulsion. Camaro engine swap? I vote small block LS7!
great production value and very informative
Gotta love those oil spray jets.
U can put that on lsx
definitely would love to see that engine swap :)
Me too
Look on here, I saw a c10 with a LT4 swap
thanks for the information. great job on this video!!
Keep these videos coming.
You have good presentation.
Thanks
I prefer the LS3 in my 2013 Grand Sport to the LT1 in my 2017 GS. The LS has a smoother feel. Also, no cylinder deactivation tech in the LS.
Yes, do an LT swap on your 68 Camaro. Also you should consider making a video on the Vortec 4200
Really like your videos , very informative!!
Will love to see the swap process
Could you do a video on the LV3 4.3 V6?
One correction: The LT1 engine is flex fuel capable; however it does not come ready from the factory. If you install an alcohol sensor to the fuel line and ecu, a tuner can turn on the flex fuel function.
No it is not flex fuel. All engines can handle a minimim amount upto 10 or 12% but thats it. If you dont upgrade the fuel system at a minimum, your asking for trouble. Same for Ford V8. The F150 5.0 is based on the old Crown Vic V8, thus 100% flexfuel compatable. There are differences betwern it and the mustangs V8 which is why such huge difference in power.b
@@MasterCarguy44-pk2dq you’re wrong actually, any car equipped with an LS/LT already has the fuel system capable of handling the additional ethanol content. Op is right, all you have to is install a flex fuel sensor to vary the timing based on ethanol content in the gas, part/kit is about $200-$300. Once you do that you activate it via hptuners
@@MasterCarguy44-pk2dqmy 06 impala with a 5.3 is ran on E85, has been for almost a year now with no issues. Didn’t change anything in the fuel system
@LangeLS4 it's the lack of of extra fuel and dod. Di is a bar thing unless extra fuel is introduced. Ford mustang in 2018 had the world's first duel fuel system. It works great however no dod. Now for 24 Ford added did on mustangV8 and dance its v8 isn't technically the same as F150 l, mustang V8 is not E85, only "Upto" E15.
The V8 engines in Camaro, Corvette, trucks etc are not E85 compatible. You must buy a lit just like on all other manufacturers V8 performance vehicles. GM V6 is also not flex. There is a program to alter some systems however your performance V8 is no-go E85. It is safe to run upto E20 though. The down side is worse mpgs and a slight 10-14 hp increase. To me not worth the lower cost of sugar water contamination in my cylinders, on plugs, valves, etc.
great video, really enjoyed it
I'm glad I found this, love it for sure
Never had an LS still stuck in the past in my 70' Firebird and 89' Camaro 🤣
Seems like a perfect engine as long as you disable afm and on demand start
Can’t do that yet
Once again you took us to school Professor. Roll that beautiful LS/LT footage!
More to come!
@@AutoGuild Quick question, depending how you look at it. I have a project build 1998 Chevy S-10, 2.2, 5 spd that I want to do an LS swap but after watching this video what engine would be the most viable option of swapping? I’ve been doing research and watching videos like yours and I see most prefer the truck 5.3 because of their availability and iron block but I still will need a manual transmission, ECU, fuel management etc. I even seen the video where you have to swap out the intake and front due to the larger truck intake. Thank you for whatever you may be able to help me with!
Nice job on the video from all aspects, first class it is
The active fuel management was very troubling. The LT system has a delay under sudden power demands
I took a lot of screenshots on this one! This is why I'm an annoying know it all.
...Akshully...
But the most amazing thing about direct injection engines is that with out fuel being sprayed onto the backs of the intake valves, oil vapours sent into the intake system from the positive crank case ventilation system can burn onto the backs of the valves causing valve coking, a problem that was solved over a decade ago by port fuel injection.
That's exactly right that's why I would not buy a new LT engine
Sad he didn’t bring this up. I know several people that have seen this issue with direct injection engines. Had to get expensive walnut blasting to clean the valves.
Great videos! Love the tech on all the specs! Ex drag racer from the 70's.😀
Yes I would love to see details for LT swap into 1st gen Camaro! Just discovered you and subscribed. Excellent videos! Thank you!
That was a clip of cletus McFarlands c7 back in the day💯
In your hp range graphic, you listed 505 as a maximum for the ls. I think you forgot about the ls9 😉
And the LSX 454 at
and the lsa
I’m absolutely in LOVE with my LS3 Camaro SS. I’d love to put an LS3 in my next project. I’ve never tried any LT’s but I’m sure I’d love them. Like others have said here, I’m poor and my costs need to be low as possible
Very informative. Subscribed.
The LS3 head flows more than the LT1 head on the intake. And the exhaust port on the LT1 has a dogleg in it that really chokes off flow. For making naturally aspirated power, I prefer the LS3. The only reasons the LT1 in the C7 made more power than the LS3 in the C6 was higher compression ratio and longer duration cam. Put a Hot Cam in the LS3, and it makes 480 hp. Put in an ASA cam, and it makes 525.
I suspect they can get away with the bigger cam and higher compression in the LT while still meeting emissions requirements due to DI.
Don't forget the lt1 has vvt for not only better peak power but better average power....which gives it a edge over ls stuff.
Don't a lot of the 4th gen LS engines have VVT?
@@totensiebush some do...but none of the high performance ones.
@Brett Collins meh.....not sure how big of a issue that is or diesels would have stopped running a long time ago
The LT1 is flex fuel capable if you add a GM sensor and tune for it.
Any engine can be flex fuel capable, just switch injectors and pump and add a sensor and tune.
@@sanchez_lsx1198 not really. The parts have to be compatible like runner and metal. Alcohol corroded aluminum
@@timothyberlinski2299 I run full e85 on my 6.2 swapped truck, never had any problems with corrosion on stock fuel lines. So on ls engines there's shouldn't be any problems
Awesome video man. Well done.
Kickass video my friend. Love my gen 4 5.3 in my ‘09 Sierra with the AFM module plugged in.
Newer tech is better than older?! Wow what a revelation!
The new tech in the lt has made it much less reliable than the ls.
@@raymonds7492 I’ll take reliability over some tech upgrades that’s I don’t need
@@Bbronson They should've just put the LS7 in the c7 grandsport
Direct injection has me pondering how the intake valves and ports will be kept cleaned of the PCV gunk. Perhaps a secondary injector set in the intake runners?
Fog it with steam occasionally.
Yes, that is the key. Subaru’s FA20 engine has both direct and port injectors (8 injectors in a 4cyl). They say it’s for maximum efficiency at any RPM but it also has the side effect of cleaning the valves.
Ford’s revamped Coyote 5.0 also has direct and port injectors, 16 total.
For an engine with only direct injection, the poor man’s solution is running an oil catch can on the PCV line to catch and filter out any oil vapor before it recirculates.
Yes, Ford did the Direct, and Port injection in their 2017+ F150s. 2.7TT, 5.0V8, 3.5TT all have duel injection, and it works.
That's how it would normally be done like with Toyota's D-4S system. However here he didn't mention anything of the sort so that means about every 30,000 miles you have to get your intake valves cleaned or else you have emissions issues as well as power loss
I thought he said the intake ports and valves only handle clean,filtered air.Where's the gunk coming from?
Great video! I learned a lot about the LT from this. Thank you.
Such an amazing piece of machinery! And to think it's destined for a museum in a few short years as GM transitions to BEVs. I still want one.
For the additional expense of an LT I probably go with an ls3 in a 68 camaro