C6 Corvette LS2 vs LS3 (Both are Great, Which is Best for YOU?)

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Most C6 Corvettes come with either the LS2 or LS3 engine. Internet forum wisdom says the LS3 is best - but WHAT ABOUT the LS2? Is Any Good - or not? Spoiler Alert!! The LS2 is a Great Engine - Watch the video to find out more!
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14 июн 2024

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Комментарии : 94

@kennymilton7457 16 дней назад

My GTO had an LS2 that was full bolt on and I DROOOVE that car. Had zero issues at all

@rle1020 24 дня назад

I went with a ls3 cause I can’t keep anything stock. For someone who wants a stock, narrow body c6 than a ls2 is the best bang for the buck. But for someone who wants a wide body, dry sump, and has modifications in mind than a ls3 is a better platform.

@cali2468 13 дней назад

LS3 is the better bang for the buck period. Rather one plans to keep it stock or modify. LS3 is way faster either way.

@cali2468 13 дней назад

To add there is maybe a couple thousand dollars difference between a similarly optioned 2007 (LS2) and 2008 (LS3) so I’m not sure how you figured the LS2 is a better bang for the buck. 🤔

@steevenbrunner3261 12 дней назад

@@cali2468 Depends on the price difference, here in France LS2 starts about 28k while LS3 starts about 40k, not saying than LS7 are about 50k, to me LS3 is quite a no go, if the only goal is boosting why not but all other options are better otherwise.

@cali2468 12 дней назад

@@steevenbrunner3261 Honestly if you are going FI (boost) then the LS2 will suffice because with boost you can make good power easily regardless of which platform you choose. However, an N/A build is where the LS3 is going to have a pretty substantial advantage. $40k for a used base C6 is crazy tho. I know here in the states the price difference is nowhere near that.

@steevenbrunner3261 12 дней назад

@@cali2468 And I''m talking in €, you can add up to 110% to get a USD price...

@markmartin7384 4 дня назад

Those morimoto headlights are the Jam on C6 !!!

@ryansellers2581 23 дня назад

C&S Corvettes has a good video on the reliability differences between the two motors. Clean LS3 cars are hard to come by on the west coast. 200 mile range does nothing for your search results. You practically have to look as far as Texas. I had a 2005 LS2 car and after looking decided that getting into a C6 grandsport with the LS3 was a bad value so I ended up buying a 2014 Z51 Stingray. Interest rates are definitely a factor for the older cars!

@Toys4Life 23 дня назад

Looks like I need to pick up a few here in the mid-west and sell them in CA. I have seen that CS video, but in it he talks about the internally balanced LS2 losing its balance somehow - without any specifics. I (and quite a few other people) have a little heartburn with how that would be possible and I don't know of anyone else that has seen that happen. All LS motors have vibration dampener issues - but even those are neutrally balanced.... Not saying he's wrong, just saying nobody else seems to be seeing that issue.

@shane4954 20 дней назад

Im in Cali had to buy my LS3 Z51 from a dealer in AZ. I was looking for at least 2 months. Less then 48k miles on it

@HotRod-wv4vm 17 дней назад

Thanks for the informative video.

@gaddyify 15 дней назад

Got a modified LS3, the scariest car I've ever owned.🔥

@polloi84 24 дня назад

love your C6 content. Keep it rolling!

@Toys4Life 24 дня назад

Appreciate it!

@TheMGChannel 24 дня назад

Thanks for always making great content. I’ve never owned a corvette but one day I’ll own one for sure, probably a C6, I’ve a driven C7 and a couple C8s but my heart still lust after the C6 generation.

@robertr4715 24 дня назад

Really like my LS2! Fast enough for my skill level! I have a relatively high mile 06 C6 with 115,000 miles on it, but has been perfectly maintained. Not hopped up and not beat. Only thing I wish was different is I wish it had a manual transmission!

@invertedpolarity6890 22 дня назад

LS2 is a great engine; it's an LS after all. But the LS3 is better than the LS2 in nearly every way. Better heads, better intake manifold, better block strength, better rod bolts, higher displacement, better pistons.

@Toys4Life 22 дня назад

Agreed. However, what percentage of the current c6 owners actually take advantage of everything LS3 has over the LS2? If I offered you a hundred grand or your life, if you could do a back to back blind test and tell by the state of your pants which car you're in, would you take the offer 🤔 point is, LS3 is great, but it's not like the LS2 is 75 horsepower four-cylinder slouch.

@nashrambler5246 18 дней назад

I'll stick with the LS1 in my 2001 C5. 😎 It's got enough guts for me. Great video!!! 👍🏻

@BrockNielsen 24 дня назад

Good video!

@Toys4Life 24 дня назад

Thank you sir!!

@awol_soldiervr1529 24 дня назад

Funny you posted this when I'm deciding between supercharging my c5 or upgrading to a C6. Thanks for the info!

@Toys4Life 24 дня назад

What year C5?

@markhagopian3257 24 дня назад

Super charger is in my C5's future.

@7000U9ZHIFT 24 дня назад

Have the ls3 in the 5th gen camaro... that engine is an animal

@DirtDude117 22 дня назад

LS2 with the same SAE Horsepower rating at the time of the LS3 would make 412HP The LS3 does flow much better out of the box with the intake manifold and head porting than an LS2 so once cammed or boosted it would make more of a difference. The 08-13 Corvettes got the TR6060 which is stronger and a beefier splined diff as well. The 09+ C6s all got Variable Steering and the LS9 block (also used in LSA) which made those engines have different bearings and more main bolts. This was to save on cost for only one production block (similar to LS1-LS6 did in 2001). The LS2 however does have higher compression out the gate. With a Cam, Heads, intake+manifold, and headers all that cost less than a LS3's parts it will make similar horsepower. The OE tune however pulls timing very severely to be safe. Even stock cars with a throttle body and tune see a increase in power on a dyno and the street.

@Toys4Life 22 дня назад

Good stuff, appreciate the comment!

@cali2468 13 дней назад

A bone-stock 6-speed manual LS2 makes on average in the 340 wheel horsepower range so with the typical 15% drivetrain loss that puts an LS2 exactly what GM rated it at (400HP). LS3’s dyno in the 385rwhp range. The LS9 uses a different grade of aluminum compared to the LSA so they are not the same. An LS3 with similar mods will WIPE THE FLOOR with an LS2. Cathedral port stuff is not as good as square port. There’s a reason why many 6.0 LQ9 and LS2 guys convert to an LS3 top end. It makes more power peak and under the curve. A lot of misinformation about LS platform being spread around these days.

@markmartin7384 4 дня назад

All 2008+ C6s had the Tr6060???

@cali2468 4 дня назад

@@markmartin7384 yes

@johnleca 17 дней назад

I wish you would do a video like you did with the C5 corvettes and pointed out differences and potential problems like the brake module and the gas tank sensor in the tank or outside.

@V29546 23 дня назад

Outstanding Video! I had a C7 Grand Sport that I needed to sell since I was getting stationed in Guam for 3 years tour of duty. Navy here. Shipping it seemed like a horrible idea, storage was no good options for that long so I had no choice but to sell. Upon coming back this March 2024 I wanted to get back into a corvette right away. Since we just started a family and my wife is not working I opted for a 2013 C6 Grand Sport as a good compromise and I absolutely love it!!! At the price point it is a outstanding car. Still some modern tech and plenty fast for some parodical spirited driving and has wide body stance. Love the traditional circle tail lights that my C7 didn't have and most of all it is very affordable which is also important for ownership experience. Last thing I like a lot.... not active fuel management. Pure V8 uninterrupted goodness all the time.

@EJleon96 23 дня назад

It is a good compromise and would most likely be my second choice behind the C7 GS. Buy a manual and keep it out of eco mode and you won’t have to worry about ever switching over to 4 cylinders. The updated taillights were a welcome change. Just like pop up headlights and now the front engine layout, change is constant every generation

@Toys4Life 23 дня назад

Thank you and I appreciate your service to our country! Glad you are enjoying the C6 GS - beautiful car!

@carbo2950 24 дня назад

Just wanted to thank you for the Continental extreme contact sport 02 recommendation. Was running run flat Firestone. Read something about break in period. Right!

@Toys4Life 24 дня назад

OHHHH the Continentals vs Runflat Firestone's that is a HUGE increase in performance! NICE.

@austinfrazier7325 23 дня назад

I’ve had both. I had 07 Z51 6spd manual and an 08 non-Z51 auto which means the weak 2.59 rear gear. The 07 had a Callaway Honker and Billy Boat bullet exhaust. I don’t know if it had a tune but I suspect it did. I bought it back in 09 at a dealership so couldn’t ask the previous owner. The 07 was a beast and much more fun to drive. The auto neutered the 08. Between the 2.59 gears and stock programming to upshift to OD even at low speeds it wasn’t really a fun car honestly. The paddles were slow. The only place it was fun was on the interstate from a roll if you went WOT and after it kicked down it was an absolute missile. I didn’t keep that car long. I compared it back then to flying a fighter vs a fast high speed bomber. Completely different experiences. I could absolutely tell the difference handling too btw Z51 vs non Z51 on the street.

@craigcampbell550 7 дней назад

Your vetts look new, any tips on maintaining exteriors?

@Ls_corvette 24 дня назад

I always say zed because it’s fun also all I play is Led Zeppelin on my guitar

@Beyondthebox11 24 дня назад

I think they are both good. I would get a 06 or newer just because the 05 had the four-speed transmission instead of the six speed and it had the older steering wheel from the C5 generation. But besides that the 06 to 13’s either one is just fine.

@jasonmiller8812 21 день назад

I have 05 convertible 6-speed. Manual. Only way to play!

@chevydriverjmg 24 дня назад

I've heard that the LS2 is underrated by GM because they didn't want the new LS2 in 2005 (400hp) to have more power than the outgoing C5 Z06 (405hp) on paper. I would love to see someone actually dyno a stock LS2 and LS3 on the same dyno.

@7000U9ZHIFT 24 дня назад

Ls3 makes about a solid 30 -35 more hp and tq in stock trim... seen both on an engine dyno

@gloriamaletta8667 24 дня назад

@7000U9ZHIFT that's because the LS3 has a better set of heads and a better intake manifold with a ever so slight bigger bore the heads and intake on the LS3 alone are a 30 horsepower increase if swapped to a LS2 down point is torque will be down a bit idle - 3500rpm with LS3 heads and intake manifold are superior 4500rpm to redline vs LS2 heads and intake manifold

@Toys4Life 24 дня назад

The LSXr 102 manifold on the LS2 is worth close to 20 HP. It's well known that the stock LS2 intake manifold does in fact leave a lot to be desired. LS3 intake manifold flows very well.

@7000U9ZHIFT 24 дня назад

@Toys4Life the FAST intake on the ls3 makes more power over the stock ls3 intake it's just not worth it for 1200$.... it helps the ls2 setup more than the ls3 ... both great engines.... I loveeee me the LS1 2 and 3 .... so much power potential in a simple setup

@chevydriverjmg 24 дня назад

I'd still like to prove the theory if GM underrated the LS2 numbers. It would make for an interesting video. I have no doubt that the LS3 makes more power, but I'd be curious to know if GM did stick with 400hp for the LS2 on paper for sales reasons. I've also heard that the cathedral ports on the LS2 are better for low-end grunt. I'd like to know if the LS3 only pulls away on the dyno at higher RPM'S.

@bradkeeney5236 24 дня назад

Also… as someone who’s done a couple of supercharged cars…. There’s an old formula that blower drive service , BDS, put out years ago, that I found to be fairly accurate in certain situations. Especially if you’re talking about 6 pounds of boost to maybe seven. As your boost goes up, your efficiency decreases, and then this formula doesn’t work as well to not very well at all. If you figure that 6 pounds of boost adds another .4, or 40% of another atmosphere to your car, breathing capability and you know that your car makes 1.14 hp/ cubic inch with an LS 3 , or 1.098 horsepower/ cube inch with an LS 2 one can guess the general ballpark for Peak, horsepower at 6 pounds a boost for an LS three (assuming supercharger efficiency is the same, and other factors are the same for both of them, which is an assumption for sure) of about 600 hp at the crank for the LS-3 and 559 hp at the crank for the LS-2. Try playing with that formula because it usually gets you in the ballpark. Again, remember higher boost figures start to play with efficiency, and then the formula doesn’t work so well. About the highest I’ve ever known it to Work was 7-8 pounds and even then it’s not as reliable. Six is usually real reliable.

@Toys4Life 24 дня назад

LS3 has a tad lower compression as well - which helps is better for supercharging as well. Isn't the BDS stuff mainly for not intercooled roots style blowers - Centrifugals with intercoolers seem to work very well higher compression engines. Thoughts?

@TheSlowEcoboost 6 дней назад

Got an ls3 two weeks ago hopefully it’s reliable because for a week it’s been in the shop 😭

@Toys4Life 6 дней назад

It will be reliable!! - probably in the shop for something silly??

@supersport8186 24 дня назад

I enjoy the videos. I own a 07 vette with a ls2 and a 14 SS sport sedan with a ls3 and they both had harmonic balancer issues.

@gloriamaletta8667 24 дня назад

The stock harmonic balancer will not take much abuse if reving over 6000rpm repeatedly bottom line for performance use they suck

@oler777 24 дня назад

around WA state LS3 cars are like 27-35k but there also usually Grand sports so they have the wider body my car is a late 07 and i know the 08 cars werer the tr6060 but when i look at the gm options list/build sheet of my car it says manual tr6060 is it possible some late 07 cars got the tr 6 speed?

@Toys4Life 24 дня назад

Not that I have heard - but anything is possible!

@oler777 24 дня назад

@@Toys4Life either way, I love my manual

@Toys4Life 24 дня назад

For sure!

@ctvette1318 24 дня назад

LS3 for me! No replacement for displacement.

@Toys4Life 24 дня назад

How about positive displacement?

@ctvette1318 23 дня назад

@@Toys4Life can’t get enough!

@tylerross3847 15 дней назад

Dang, I was happy with my LS2 choice up until the last ~30 seconds of the video. *le sigh* TIme to pony up, lol

@Toys4Life 15 дней назад

Nah you're still 👍

@cas5247 24 дня назад

Unless you are a professional race car driver you will not notice the difference. Most corvette drivers can’t drive their cars to 70 percent of what they can do. So the 7 percent difference is not noticeable. But morons waist money on silly mods that do little instead of taking driving classes. Iv seen guys in Mazda Miatas lap zo6s at VIR.

@Toys4Life 24 дня назад

I absolutely RESPECT the LS Miata's but I personally can't get past the looks for a track car.

@danziger69 14 дней назад

If you are leaving it stockish, the LS2 is totally fine and will save you a bunch of money up front. If you are going heavy mods, especially blower, the LS3 is the way to go.

@cali2468 13 дней назад

It all depends on what you want. If you want a base C6 that’s way faster stock for stock for not much more in price the LS3 is a no brainer. Even simple bolt ons on an LS give very good gains.

@terjehimle3107 24 дня назад

I was told that the LS2 Was badly internal balanced...? But cant find anything on the internet about it. Has to be some horse shit rumor :) Thanks for the video :)😀

@gloriamaletta8667 24 дня назад

The stock harmonic balancers suck it would last if your keeping rpm under 5500rpm if your reving this engine over 6000rpm repeatedly the stock balancer will go they are not a good option if you plan on pushing the motor real hard l have a 2009 Tahoe PPV 5.3 2WD with a stock balancer with over 150,000 miles on it it redlines at 5800rpm it's still runs very good

@Toys4Life 24 дня назад

Since it's neutrally balanced, it's actually a vibration dampener. Even if the ring comes loose, other than damaging stuff, shouldn't affect the balance dramatically. Similar to people that use a lightweight flywheel.

@SinisterC6 22 дня назад

Thanks for using my photo how did you find it?

@Toys4Life 22 дня назад

That is a fantastic picture! How did you do it? I stumbled on it a while back and thought that would make a good thumbnail picture for the right video. When I made this video I thought to myself that is the right picture to go with it. I hope you don't mind!

@SinisterC6 22 дня назад

@@Toys4Life I did that back in 09, some photoshop work on a pic of my car in a cemetery because the car is "sinister" don't mind at all glad you liked.

@danlaur7973 23 дня назад

Put the Fast ( or better yet, the MSD ) intake on a LS3 & you are over 450hp, just though I would mention that

@Toys4Life 22 дня назад

I've been mainly focused on the LS2s but I was of the thought process that the stock LS3 manifold equaled the fast and MSD on the LS3, or at the very least it didn't add much, am I wrong 😕?

@InTheHookJohn 5 дней назад

@@Toys4Life you are not wrong. No way an intake adds about 25-30 hp to an LS3. It does add a lot to an LS2 though.

@user-ex1lp6jt8g 24 дня назад

Say I have a LS2 and I love it . If I need more power it would be easy to beef it up . But I don't it's plenty fast to get me a ticket if I do not watch my speed. LOL

@Debkghtulvkfjkjfxjjcj 23 дня назад

Beginning of the video: LS2 and LS3 are basically the same. End of the video: Ls3 has better motor components and better transmission. LOL

@Toys4Life 23 дня назад

Sorry about that - I must have had the bouncing balls too far apart, if you want a nice powerful C6 and you're going to leave it at that like most people do, LS2 is fine. If you want a nice fast C6 and you plan to modify the piss out of it, get an LS3 (:-).

@Debkghtulvkfjkjfxjjcj 23 дня назад

@@Toys4Life if you’re stretching every penny to get into a corvette, then an LS2 is a fine choice if you can find a smoking deal. Ls2’s are associated with the 2005 c6 which is generally thought of to be a real problem and not very desirable. But if the extra cost to get into an ls3 is not an issue, there is no reason to buy an ls2. Whether real or fiction, the perception that the ls3 is superior is cemented in the corvette community. For resale or value retention, therefore, the ls3 should always be chosen.

@cali2468 13 дней назад

What comparison? There is no comparison. Lol

@Toys4Life 13 дней назад

Hey right, but LS7 just puts out so much horsepower and torque (:-)

@chrisj2308 12 дней назад

hello sir question , just got into vettes not too long ago and had a question. when the car is at idle with clutch out , there is a rattle sound coming from under but when you push the clutch in , the noise goes away. now i’ve seen the annoying torque tube but see that they still have the noise while they are driving but for me i don’t have any noises only while at idle with clutch out any ideas ?

@Toys4Life 11 дней назад

Lots of possible noises in the drivetrain of the M6 Corvette. How many miles are on it?

@chrisj2308 10 дней назад

@@Toys4Life there are currently 94k miles on it , previous owner stated he just got a new clutch in few months back