How Much Horsepower Does Ported Heads Add? How much HP does a port and polish give you? Head porting is probably the single most critical piece of adding HP. you can gain 20-30 from a really good port job.
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How Much Horsepower Does Ported Heads Add? How much HP does a port and polish give you? Head porting is probably the single most critical piece of adding HP. you can gain 20-30 from a really good port job.
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