corvette dyno numbers
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Thread Starter
On The Tree
Joined: Dec 2006
Posts: 152
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From: Indy
ok thank you. Yeah i knew the vette was faster because they weigh less. Did the vettes have anything different in the engine than an f-body.?? or were they pretty much the exact same thing.
On the tree
Joined: May 2004
Posts: 643
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On a dyno of a vette versus camaro both with LS1's and auto's the camaro will dyno higher due the vettes tranny being in the rear of the car. Every sheet I saw of a stock versus stock put the vette about 10hp down the F-body.
The actual motor is exactly the same, vette uses different air intake system (not actual intake, both use the LS6 intake) and has different exhaust manifolds. The vette also has a more direct exhaust system that is less restrictive than the F-bodies.
The actual motor is exactly the same, vette uses different air intake system (not actual intake, both use the LS6 intake) and has different exhaust manifolds. The vette also has a more direct exhaust system that is less restrictive than the F-bodies.
Launching!
Joined: Mar 2006
Posts: 261
Likes: 1
From: Nebraska
I dont' see how having the trasmission in the rear would yeild a lower hp out put...
however the reasoning has already been posted... The LS1 in the vette is the same LS1 in the F-body except oil pan... The vette is equipped with a power robbing IRS where as the F-body gets the live axle.... aka drivetrain loss...
id also guess with the larger rear wheels found on the vette compared to the f-body also adds a few extra pounds in the DT that need to be turned.
I've seen where an extra 11lbs in wheel/tire combo = 11rwhp loss on a dyno jet on an 00 camaro.
The above example is not to be confused that 1lb in wheel weight = 1rwhp loss. just what happened.
however the reasoning has already been posted... The LS1 in the vette is the same LS1 in the F-body except oil pan... The vette is equipped with a power robbing IRS where as the F-body gets the live axle.... aka drivetrain loss...
id also guess with the larger rear wheels found on the vette compared to the f-body also adds a few extra pounds in the DT that need to be turned.
I've seen where an extra 11lbs in wheel/tire combo = 11rwhp loss on a dyno jet on an 00 camaro.
The above example is not to be confused that 1lb in wheel weight = 1rwhp loss. just what happened.
On the tree
Joined: May 2004
Posts: 643
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Magic that was my point, the vettes drivetrain causes alot more driveline loss than the F-body. I remember seeing a article back in the day about how the extra parts that GM used to hook the torque tube to the motor and the tranny being on the rear end being the main reason for the high drivetrain losses.
Actually my bone stock 02 T/A dyno numbers were 292 rwhp with 276 rwtq and my bone stock 02 C5 Coupe dyno numbers were 302 rwhp with 323 rwtq both were done on a dynojet using SAE correction. It is kind of strange that the vette put out more rwtq than rwhp. But I did see more hp in the vette and there is also no comparison in running it on the streets. The vette hooks so much better than the T/A.
Originally Posted by Sneakyws6
The actual motor is exactly the same, vette uses different air intake system (not actual intake, both use the LS6 intake) and has different exhaust manifolds. The vette also has a more direct exhaust system that is less restrictive than the F-bodies.
