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Re: ways to check underside intake leaks
Posted to Technical Tips Forum on 5/5/2001 1 Reply

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Damon,

The 406 and 430 are entirely two different engines. The 406 was Ford's NASCAR engine back in 1963, with solid lifters, big heads, 11.3 compression ratio. The NASCAR version had a 600cfm 4bbl ... Login to read more.

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