Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#19
02-07-2018, 05:49 PM
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Cool, learned something new. I always thought the big plugs were used up through 1970.
All my BBC stuff is 71-72 that uses the small plug. I figured the change was 1971. 
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