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Originally Posted by Speed-King
Yeah, but that's not the point I was making. The penalty isn't for Penske being a semi-factory-team, but for Porsche bringing in a new engine, which is probably more powerful than the old one.
Porsche could have stayed with the old engine and be done with that, but they choose to bring the new one despite the weight penalty.
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Actually The reason is because of the capacity of the new engine.
From the rules:
SECTION 3 - WEIGHT
3-1 Minimum Weight - Minimum car weight, per engine displacement, less fuel and driver race
ready.
Minimum weight for cars 4.0 liters or more, 2275 lbs
Minimum weight for cars under 4.0 liters, 2225 lbs
3-1.1 Grand-Am reserves the right to adjust the weight of any car.
3-1.2 The use of titanium is prohibited except for engine valves and valve spring retainers.
3-1.3 The use of magnesium is prohibited.