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To carry over the race engine theme: We knew the engine had factory aluminum heads because of the Winters Foundry mark, but when we ran the numbers (3946074) we found out that these heads were the same ones used on the ’69-’71 L88, L89, and ZL-1 engines. They have a great history but they’re dated in their technology. Don’t look for these heads on our engine when we assemble it. View Related Article
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