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Thread: Old time racing
          
   
   

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  1. 05-22-2010 03:55 PM #18
    HOTRODPAINT's Avatar
    HOTRODPAINT
    HOTRODPAINT is offline CHR Member
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    Right! The chat was that Chevrolet was impressed with the hot rodder's performance version of the 283, which was punched .125 to the bore of a 327, and resulted in 301 inches.

    They needed about a 300 inch motor for trans Am racing, but didn't want to copy the rodders, so for the 302 they fudged a couple thousandths on the bore and the stroke to make it a different number.

    The 307 was the opposite...a 327 stroke and a 283 bore.
    Last edited by HOTRODPAINT; 05-22-2010 at 03:58 PM.
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