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SSedan64 · 10-13-2010, 07:14 AM

I think you have the wrong Heads for the engine. 283 Heads have tiny 1.72" Intake valves & chambers. Larger chamber & valve needed.

10-13-2010, 07:14 AM	#3
SSedan64 Registered User Join Date: Oct 2008 Location: Macon, GA. Posts: 89	Re: High compression engine and pinging I think you have the wrong Heads for the engine. 283 Heads have tiny 1.72" Intake valves & chambers. Larger chamber & valve needed.