Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Need some 307 advice
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Old 11-26-2012, 09:42 PM
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self porting,I only ported the exhaust side of the heads and only about an inch into the port.
Now a days with flow benches,I wont touch anything at all. Porting does make a difference,but exactly what tech just posted,,
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