Re: 'YENKO' casting ZL1 block on eBay
It´s the same one alright.
Since Yenko bought the rights to the GM aluminum BB in 1976 (if the article I have is correct), it could not have been available before the GM block.
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Anders Stålklint.
After selling my COPO 9561 I´m now a "postman" with the main project being a 1966 327 2 dr sedan Chevy II.
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