Re: Starting my engine build
I was taking a look at the heads that came off, and the number on them is 3991492. They have 2.02's and 1.60's, and a spring stout enough to run that Lunati that has .455 lift. After reading a bit about them, they look to be pretty nice heads. I'm definetly happy with the heads I got to replace them, but a cool find anyway
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