LS3 in the Pontiac G8 GXP to get 415hp/415tq - ModernCamaro.com - 5th Generation Camaro Enthusiasts
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post #1 of 16 Old 09-08-2008, 12:06 PM Thread Starter
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LS3 in the Pontiac G8 GXP to get 415hp/415tq

SAE certification dyno PDF


Other engines listed on the GM powertrain site.

http://media.gm.com/us/powertrain/en...2009/09car.htm
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post #2 of 16 Old 09-08-2008, 02:22 PM
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wow that sounds nice..

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post #3 of 16 Old 09-08-2008, 02:27 PM Thread Starter
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That should be a good starting point for the Camaro's HP speculation. We know it shouldn't be lower than 415hp and could go up.
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post #4 of 16 Old 09-08-2008, 03:38 PM
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On every dyno graph (done correctly) the HP and TQ will always crossover at the constant of 5252 RPMs. What gives with this one?

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post #5 of 16 Old 09-08-2008, 03:49 PM Thread Starter
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Good catch. It doesn't cross on others posted at the GM powertrain site.

Questions need to go out to the guys at GM powertrain.
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post #6 of 16 Old 09-08-2008, 03:53 PM
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Maybe the different scale used for torque and power makes that differ?
Dunno just a thought.

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post #7 of 16 Old 09-08-2008, 04:07 PM Thread Starter
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Probably right about the scale. HP is 1/2 scale of TQ. that would move the cross over right on up close to the spot.
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post #8 of 16 Old 09-08-2008, 07:40 PM
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Quote:
Originally Posted by Jonz5GEN View Post
On every dyno graph (done correctly) the HP and TQ will always crossover at the constant of 5252 RPMs. What gives with this one?
HP = (Torque x rpm)/5250


so when rpm = 5250, HP = Torque
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post #9 of 16 Old 09-08-2008, 07:48 PM
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with the scale differences of that graph, they should cross at 2626.
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post #10 of 16 Old 09-08-2008, 08:13 PM
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Quote:
Originally Posted by ucantctchme View Post
with the scale differences of that graph, they should cross at 2626.
he is right and they do.


torque 0-900
horsepower 0-450



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