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Old 01-20-2024, 08:25 PM
JoePientaJr JoePientaJr is offline
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The bore is 4.250

I also see 19639-D is stamped into the corner lip for the oil pan.
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Last edited by JoePientaJr; 01-20-2024 at 08:34 PM.
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Old 01-21-2024, 02:40 PM
JoeC JoeC is offline
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Don Yenko took over the production of the ZL-1 block in about 1974

There were still some teams running the ZL-1 block in SCCA where the Can Am block was not allowed
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