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Discussion Starter · #1 ·
I was at Barnes & Noble on my lunch break and looked at the current Pontiac Performance magazine. They have the 2nd half of a supercharger installation on an 04 GTO and the dyno results before and after. Looked like the Procharger setup. 444 HP at the wheels, and with the driveline loss there was over 500 HP at the crank. 50% throttle gets the tires smoking. :cool
 

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did they do anything else to the car, either for engine performance or to beef up the drivetrain?

I'm curious how the drivetrain would handle that much extra HP.
 

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Discussion Starter · #4 ·
diverdan said:
did they do anything else to the car, either for engine performance or to beef up the drivetrain?

I'm curious how the drivetrain would handle that much extra HP.
I'm Pretty sure it was absolutely stock, they made a point to mention that. They said that was the gain for a stock setup without even a tune.
 
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