Thread: how many zl1 motors were made
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Old 08-01-2022, 06:15 PM
JoeC JoeC is offline
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Chevrolet gave the rights to Yenko to purchase ZL-1 blocks from the Winters Foundry in Canton Ohio. (with some restrictions).

The part number listed is 3952318

The letter is dated June 7 , 1974

signed by F. A. Duco , Director, Manufacturing Sales
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