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Old 11-08-2012, 09:43 AM
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crowz crowz is offline
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Location: Alabama
 
Join Date: Oct 2006
Posts: 4,253
Mein Auto: 2000 323i, 97 528i
The most you can safely run boost wise on a non turbo stock engine is 8 to 10 psi boost. Supercharger is the better option for a non turbo motor. Turbo charged engines have lower compression to handle the higher boost provided by the turbo. I turbo charged my 300zx n/a motor and 8 psi is all I ran for boost without issues. On our cars Id stick with a supercharger. Thats what Im adding to mine.
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