What's up with the torque difference? - ModernCamaro.com - 5th Generation Camaro Enthusiasts
V8 Engine Discussion 6.2L LS3/L99 V8 | Exhaust | Ignition | Induction | Intakes

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post #1 of 17 Old 08-26-2008, 12:06 AM Thread Starter
 
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Question What's up with the torque difference?

Does anyone know why the camaro ls3 is only short 8 on hp, but is short 16 on lb/ft of torque (double the hp loss). Did they ever explain why that is?
corvette= 430hp and 424lb/ft
camaro= 422hp and 408lb/ft
shouldn't camaro = 422hp and about 416lb/ft

Last edited by rizay3096; 08-26-2008 at 07:33 PM.
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post #2 of 17 Old 08-26-2008, 02:08 AM
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post #3 of 17 Old 08-26-2008, 08:14 AM
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Rizay, I'm not sure what you're asking. It appears you are making a comparison to something else.

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post #4 of 17 Old 08-26-2008, 08:16 AM
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This happens alot when the same motor is used in different applications. It could be caused by anything from a more restrictive air intake or exhaust system.

EDIT: I assume he's referring to the loss from the 430 HP LS3 in the Corvette.

Last edited by Devryn; 08-26-2008 at 09:53 AM.
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post #5 of 17 Old 08-26-2008, 05:03 PM
 
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Considering the 422 rating is rated at 5300 RPMs, I'm thinking it's horribly, horribly under rated for insurance purposes.
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post #6 of 17 Old 08-26-2008, 07:48 PM
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Quote:
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Considering the 422 rating is rated at 5300 RPMs, I'm thinking it's horribly, horribly under rated for insurance purposes.
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post #7 of 17 Old 08-26-2008, 10:33 PM
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I hope it is very well underated !!!!!!!!!!!!! im just curious how much and if the automatic is underated as well???
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post #8 of 17 Old 09-23-2008, 07:11 PM
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To answer Rizay's original question I would have to say Devryn is correct. When a manufacturer utilizes a particular engine in multiple platforms (Corvette and Camaro in this case) there will be differences in the intake and exhaust systems that will effect the HP/TQ figures.

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post #9 of 17 Old 09-23-2008, 08:42 PM
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Like others have said, the figures differ simply because of it being different cars.
Chassis dynamics and geometry, exhaust routing, cooling system, and drivetrain packaging are all contributing factors.

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post #10 of 17 Old 01-14-2009, 01:50 PM
 
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This is the same thing that happened back in 1998 when Chevy said that the LS1 in the Camaro was producing 305hp and the corvette was prouducing 340hp... It was funny that most Camaro were putting down upwards of 290-300rwhp stock or slightly modified. That is around the 340hp mark if you take away drivetrain loss. Who wants to pay $45000 for 340hp when you can get that in a $25000 package (back in 1998)... I'm thinking that they have done the same thing here.
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