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Discussion Starter · #1 ·
Just curious about head porting, whats the advantage / disadvantage of heard porting on a street car setup?
 

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Perhaps a better question is, what are you trying to achieve? That is a fairly broad question and is much pointless to say, "There's no reason to even think about doing it for a street car."
 

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Increased/better airflow through the head will make your engine more efficient, thus creating more hp and torque. This is going on the assumption that your port/polish does not exceed the capabilities of your stock valvetrain and fuel delivery system, or you could potentially gain nothing or even lose power.
 
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