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GTX JOHN · 01-30-2010, 11:02 PM

The heads I have were 74cc with a very flat valve. Your combo is 66cc as recall and will require 025-040 more cut off to make them right for early car. You can check mopar heads by measuring square block should be .990 to 1.00 if never cut.

01-30-2010, 11:02 PM	#7
GTX JOHN VIP Member Join Date: Jun 2009 Location: Boulder City, Nevada 89005 Posts: 2,733 Likes: 2,799 Liked 2,483 Times in 697 Posts	Re: Mopar Engines, Heads,Cranks etc. The heads I have were 74cc with a very flat valve. Your combo is 66cc as recall and will require 025-040 more cut off to make them right for early car. You can check mopar heads by measuring square block should be .990 to 1.00 if never cut.