Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#7
04-30-2004, 12:26 PM
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Re: 496 crate motor?
Without cross checking bores and strokes the date of 70-71 makes me think it is referring to the second of the special alloy Can Am blocks Chevrolet built.
Think they were 356 alloy same as ZL-1s Specifically built for the Can Am circus, although Grumpy used a short stroke one (might have been the 390 alloy version ) in his 1970 Camaro. Later used by Group 6 Vette and Camaro racers in Imsa and T/Am. Rare is kind of an understatement.  
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