84mm Or 84.5mm Pistons?

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So, I guess the bottom line here is.....go with the 84mm piston with the turbo application.
 
Uh... B- you WILL make power to the upper revs if your turbo can keep up and maintain positive pressure within its efficiency envelope at the higher engine speeds. The engine will still be breathing more air, so it can burn more fuel, and make more power. If the turbo can keep up, the engine can make power above 8k.
 
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