01-25-2013, 03:22 PM
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Officially Welcomed to the 'Fest
Location: Utah
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Join Date: Dec 2012
Posts: 102
Mein Auto: 1989 325i
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Quote:
Originally Posted by ForcedFirebird
The stock motor can handle 15psi with an upgraded head gasket and supporting fuel. The wide body made 357whp at 15psi on a Holset.
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Stock whp is 168 right? Or maybe that's just to the crank. 15psi adds close to 200 horse though? That seems like a ton.
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