Thread: Claim of 25% HP bump true?
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Old 11-25-2023, 07:57 AM   #5
Bob Bidonde
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Location: Long Island, NY
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Default Re: Claim of 25% HP bump true?
I run 5.5:1 and 6:1 compression cylinder heads on my Model A's. The stock looking 6:1 cast iron cylinder head currently available is the way to go. I notice more power & torque and much better gas mileage.
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