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Old 10-22-2020, 12:42 PM   #8
Tom
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Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,692
Re: 1974-454 What "Mark" do I have?

Quote:
Originally Posted by BigRandy View Post
Thanks to everyone for the info. It's exactly what I was after.

B454RAT: If I read correctly you were using peanut heads when you got 400HP. What all did you do to get that number?
No, he had oval port heads like any 454 from 1974 should have including yours. Peanut ports were 80's.
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