Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#4
10-03-2009, 02:41 PM
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Re: 291 Head Differences
2 different styles of "HI PERF" being cast the same day is interesting.
Like John Brown said, check to see if they both take the same style spark plug.
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Rick 69 Chevelle SS396 Silver L78 M21 Post Sedan (Berger Chev.) 69 Chevelle SS396 Black L78 4-speed 4.10 Post Sedan  Don't text and drive. Somebody's life may depend on it! 
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