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Reply to "Exhaust Port Plates"

I used port plates in a built Boss 302 motor about 20 years ago. Back then we didn't have dynos on every corner like we have now. My butt-dyno couldn't tell the difference and my times on a race course didn't change. I also had a set for the intake side I added later. Again, no change I could tell. The thoery was that you were trading flow for velocity on the intake side anyway.
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