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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 02-24-2007, 08:45 PM   #1
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LS3 and other engines/transmissions

I Just picked up this months Motor Trend. While thumbing throught it I read that the LS2 engine will be no more. They're brining out a 6.2 liter 403 HP for the Corvette. They stated that this will be the up scale engine for the Camaro. Then there was the article on the convertible. The gentleman being interviewed said he could almost gaurentee there will be a hide-away headlight kit at the 2009 SEMa show. He said it wouldn't surprise him if GM offered it as a production option. He said that like the Mustang, the Camaro will be offering upgrades like the Mustang (ie. Bullit Mustange and Boss 302). Could we be seeing an SS or Z28 in the near future? The magazine was full of future cars. The 2010 Impalla was mighty sweet. There is an Imalla SS coming.
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Old 02-25-2007, 09:56 AM   #2
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That would be the LS3.
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Old 02-25-2007, 12:14 PM   #3
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I sure hope the top dog puts out more than 403hp.... if GM wants to compete w/ other automakers, it's going to have to do better than that. I'll tell ya right now... If 403hp is the top that GM can offer, there will be more than a few who will be upset.

Unless they offer an upgrade of headers and a tune to bring it up to 475 for a few extra bucks. Seriously, I'm looking for 400+ for MY new Camaro. If the money is there, I want to up it as high as possible from the factory and keep it under warranty. I know there's a lot of guys here that could care less about the warranty, but I'll tell ya that warranty has saved my @ss on more than one occasion...(try blown engine, two trashed trannys...).

Hideaways would be an option I would take. The "birdy" said they wouldn't be offered because of reliability issues. Personally, I see aftermarket companies doing hideaways. GM would do good by coming out w/ HDWYs, but if not built correctly w/ reliability, could potentially screw themselves w/ too many warranty issues.
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Old 02-25-2007, 01:17 PM   #4
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Originally Posted by TAG UR IT View Post
I sure hope the top dog puts out more than 403hp.... if GM wants to compete w/ other automakers, it's going to have to do better than that. I'll tell ya right now... If 403hp is the top that GM can offer, there will be more than a few who will be upset.

Unless they offer an upgrade of headers and a tune to bring it up to 475 for a few extra bucks. Seriously, I'm looking for 400+ for MY new Camaro. If the money is there, I want to up it as high as possible from the factory and keep it under warranty. I know there's a lot of guys here that could care less about the warranty, but I'll tell ya that warranty has saved my @ss on more than one occasion...(try blown engine, two trashed trannys...).

Hideaways would be an option I would take. The "birdy" said they wouldn't be offered because of reliability issues. Personally, I see aftermarket companies doing hideaways. GM would do good by coming out w/ HDWYs, but if not built correctly w/ reliability, could potentially screw themselves w/ too many warranty issues.
I think that the top dog Camaro will have well over 500+ hp. As a well known person once said, "Keep the Faith"!
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Old 02-25-2007, 03:30 PM   #5
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Humm.... interesting information for sure. We have all known the LS2 was going to be no more in the next few years, and the 6.2L was the likely candidate to replace it, but the 403HP rating does seem kind of low to me. Unless this is a very conservative estimate to try and make owning a 6.2L more affordable (ie insurance rates), then i certainly expected an HP rating in the 425-450 range.

I will not be upset if that does indeed turn out to be true. I would be satisfied with a 403HP car. I mean that is still going to be significantly more than the Mustang at the time (At least I would assume it would be). The Challenger will have at least 425 from what I am hearing, but it weighs quite a bit too, so I think of everything they are saying about controlling the Camaro's weight is true, then a 403HP Camaro should still be able to beat a 425HP Challenger.
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Old 02-25-2007, 04:34 PM   #6
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403 is still a very respectable rating, look back 5 years and less and if you were pushin over 300 you were doing well, only supercars were pushin 500. Hey, maybe 403 is the base model V8, the Z might get another 30 or more in factory mods, no tellin about the SS.
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Old 02-25-2007, 10:27 PM   #7
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I wouldn't be disappointed at all with 403 hp. Not too many places where you can actually put that kind of hp to use anyway. Guess I'm just getting old but speed isn't as important to me as it used to be. Thats why I ride a Harley now.
I agree... I mean, i want a high HP car, and by my standards, 403 HP is A LOT of HP. If this car came out with 450HP I don' think I would be driving it in situations that would really make me glad I got an extra 50HP over an LS2. Truthfully, you can put a 400 HP motor in the new Camaro or a 450HP motor and 99% of the time I will be able to tell you with confidence that I can not tell the difference...

If I was a hardcore drag strip guy then I would probably want the 450 but for my uses the 400 is just fine.
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Old 02-26-2007, 09:20 AM   #8
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403 is fine with me. I'd never need more than that.

Long as I can blow away the Mustang Snots (ie- young guys with Mustangs) I'll be happy. LOL
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Old 02-26-2007, 09:35 AM   #9
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He only said upscale, not top dog. Remember the Mustang base V-8 is 300HP. The Base Vette engine is 400. Now the base vette engine will be like he said 403. If my memory serves me well from items in this web, GM is developing the LS9 with 650 HP for the Blue Devil or SS what ever they will call it. Remeber GM will never allow the camaro to take sales away from the corvette. There may be a SS down the road that will have an engine somewhere between the base corvette and the Z06. Besides the Shelby Mustang with the 500 HP motor got smoked by a base Corvette is a Car and Driver shootout. Heck 400+ HP, four wheel indepentent suspension and a killer look and something that will kill a Mustang both in looks and performance. what's not to be happy with?
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Old 02-26-2007, 11:25 AM   #10
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cool sounds good to me but I still would like to have something that would look good and run a hell of alot better. You know something to pick the ladies up with.
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Old 02-26-2007, 12:22 PM   #11
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I'm sure a lot of people will in fact be happy w/ 403hp. That's great! Going from my 335 or so to 400 is not that big of a difference to me especially when it's possible that the new Maro might be a few pounds heavier than the 4th Gen Camaro. I know it's been said that it was on a diet and Jenny Craig was being called...but from what I understand, it will most likely be heavier. So, as w/ the hp to weight ratio on the Challenger, I'm thinking the same over here w the 5th Gen compared to my 4th Gen. That's all.

Will I be happy w/ 403hp on my new Maro? Sure...as long as it loses some weight so I can tell the difference. If not, it'll be just like driving my current 4th Gen SS and that will not make me happy at all. I am looking for more power. I'm not a drag racer. I don't get on it all the time. I just like to have the musclecar power there.
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Old 02-26-2007, 12:28 PM   #12
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Honestly, I would be very, very suprised if 403HP is the top performance option in Camaro; disregarding the possibility of a 6.2 s/c. I think this generation of Camaro is going to offer many more powerplant options than the 4th gen.. kind of like in the 3rd gens. 403HP sound like the perfect amount of power for the entry level v-8, but I would be really suprised if there is not a ~450HP option. I just find it hard to believe that GM will fail to have a Camaro with more HP than the Challenger.

There is no way 403HP will be the top performance package.... Although it will probably be the version I choose.
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Old 02-26-2007, 02:58 PM   #13
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Quote:
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Honestly, I would be very, very suprised if 403HP is the top performance option in Camaro; disregarding the possibility of a 6.2 s/c. I think this generation of Camaro is going to offer many more powerplant options than the 4th gen.. kind of like in the 3rd gens. 403HP sound like the perfect amount of power for the entry level v-8, but I would be really suprised if there is not a ~450HP option. I just find it hard to believe that GM will fail to have a Camaro with more HP than the Challenger.

There is no way 403HP will be the top performance package.... Although it will probably be the version I choose.
Well if you really want to kick some serious butt, I'm sure that there will be some serious aftermarket kits out there. For an example, check out www.ststurbo.com to see what they did to a stock corvette. They replaced the twin mufflers with twin turbos. The stock 'vette dyno tested at 357 RWHP. After the kit was installed, it dyno tested at 537 RWHP. It's not cheap at about 5k, but it has more HP than a Z06. Also check out their kits for '98-02 LT1 package. About 4k.
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Old 02-27-2007, 11:32 AM   #14
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Originally Posted by Casull View Post
Honestly, I would be very, very suprised if 403HP is the top performance option in Camaro; disregarding the possibility of a 6.2 s/c. I think this generation of Camaro is going to offer many more powerplant options than the 4th gen.. kind of like in the 3rd gens. 403HP sound like the perfect amount of power for the entry level v-8, but I would be really suprised if there is not a ~450HP option. I just find it hard to believe that GM will fail to have a Camaro with more HP than the Challenger.

There is no way 403HP will be the top performance package.... Although it will probably be the version I choose.
I agree with you. I definitely believe that a SS camaro will be on sale within a year of the release of the Camaro. GM has all the necessary hardware in there arsinal. I believe GM has been listening to us throught this web site, as well as Camaro clubs as to what we want and will buy. Looking at the unbelievale response that was generated from the concept unveiling, I believe the powers that be ( who are Camaro nuts like us) and the engineers have MANY ideas.
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Old 02-27-2007, 11:38 AM   #15
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The new 6.2L (L92) that is appearing in the trucks and SUVs is 403hp. I've heard with car tuning it will be more like 430-440hp.
Also I heard GM is developing a baby version of the blown corvette ss motor. Maybe this is the top dog camaro that we're hoping for??
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Old 02-27-2007, 11:54 AM   #16
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Thats why I ride a Harley now.

I hear you Buster! I love the feel of horsepower, and if they put out a Camaro with 450hp, I'll buy it, but will certainly be happy with 400. btw, what kind of Harley do you ride?
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Old 02-27-2007, 12:21 PM   #17
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The new 6.2L (L92) that is appearing in the trucks and SUVs is 403hp. I've heard with car tuning it will be more like 430-440hp.
Also I heard GM is developing a baby version of the blown corvette ss motor. Maybe this is the top dog camaro that we're hoping for??
That certainly would make sense since the current 6.0L being used in todays trucks only crank out 353 HP for the regular version and 367 for the Vortec Max version.... if the same differential holds for the 6.2L, then we are looking at a 440-450HP motor for sure.
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Old 02-27-2007, 01:09 PM   #18
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I wonder weather the HP in the current truck applications is limited by RPM? They probably don't want a truck engine revving as high when its towing... if they bump the rpm range up a bit, and tweak the tuning, they may gain quite a bit of HP at the cost of a little torque...

These are the specs for this engine as it appears in the 2007 Escalade:

Horsepower (hp / kw @ rpm):
403 / 301 @ 5700*

Torque (lb-ft / Nm @ rpm):
417 / 565 @ 4400*

Note the low HP peak (at 5700rpm).


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Old 02-27-2007, 01:18 PM   #19
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Lets just drop a Duramax in it. they dont even sound like a diesel but they can sure haul a few donkeys. lol But I would be very content wit 403 hp im not looking to build a dragster out of it or anything. Just enough to smoke the ricers. So what if the GT500 is faster big woop they also paid a $hit more than we will.
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Old 02-27-2007, 01:31 PM   #20
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Originally Posted by LSxcellent View Post
I wonder weather the HP in the current truck applications is limited by RPM? They probably don't want a truck engine revving as high when its towing... if they bump the rpm range up a bit, and tweak the tuning, they may gain quite a bit of HP at the cost of a little torque...

These are the specs for this engine as it appears in the 2007 Escalade:

Horsepower (hp / kw @ rpm):
403 / 301 @ 5700*

Torque (lb-ft / Nm @ rpm):
417 / 565 @ 4400*

Note the low HP peak (at 5700rpm).


~LSx

Certainly not an expert on the matter, but I would imagine that certainly has something to do with it. They probably also have different cams in them to allow for increased torque.
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Old 02-27-2007, 04:16 PM   #21
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The different numbers in the truck are due to a different intake manifold (longer runners for more lowend torque), lower max rpm and different cams(as you all have mentioned), as well most likely a more restrictive exhaust (their backpressure targets will be lower in the cars).
Have you guys put any thought into the L76 6.0L going into the Camaro instead of the LS2/LS3? The L76 is the engine in all the Holdens, and the new G8. I think the hp rating is around 390hp.
Could this be the Z28 motor since they are planning on competing with a 300hp Mustang and a 400+hp (but very heavy) Challenger?
Then the SS motor would be either a blown L76 or a detuned version of the blown LS? Corvette?
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Old 02-27-2007, 09:06 PM   #22
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GM might go soft on us to try and keep costs down by puttin a truck engine in a car. However, I see this as a big mistake if GM goes that way. The Camaro is a huge icon and its resurrection is going to get alot of attention. Not to mention some of its past rivals are coming back to compete. I would look for them to have a new engine humming under the hood of this reborn legend, not somthin the pulled out of a 1500 chevy.
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Old 02-28-2007, 09:09 AM   #23
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I don't believe that L76 is a truck motor. But it is cheaper then the LS2/LS3.
Have you guys heard anything about price difference between the Mustang and Camaro? I heard Camaro was coming in high. Maybe putting L76 in to compete with Mustang GT will get them closer on price.
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Old 02-28-2007, 09:30 AM   #24
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I don't believe that L76 is a truck motor. But it is cheaper then the LS2/LS3.
Have you guys heard anything about price difference between the Mustang and Camaro? I heard Camaro was coming in high. Maybe putting L76 in to compete with Mustang GT will get them closer on price.
It has been promised that the Camaro will be priced within a few hundred of the Mustang... So for a few hundred more you get a better performing car with more HP and much better looks
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Old 02-28-2007, 12:51 PM   #25
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The new 6.2L (L92) that is appearing in the trucks and SUVs is 403hp. I've heard with car tuning it will be more like 430-440hp.
Also I heard GM is developing a baby version of the blown corvette ss motor. Maybe this is the top dog camaro that we're hoping for??
I don't understand why everyone is accepting MT's babbleing guess as fact? Here is exactly what happened at the MT office......

hmm.....6.2 liter GM engine? Well, in a truck it gets 403 horsepower so it will in the Camaro too! Brilliant!

The L98 and LS3 are both 6.2 liters displacement, just like the L76 and LS2. I am sure beyond a reasonable doubt the Camaro will have more then 403 hp. Most likely between 425-450 horsepower.
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