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Exhaust manifolds cast dates?

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07-12-2025, 01:53 AM

RALLY

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Exhaust manifolds cast dates?

Would a pair of J-8-1971 Date coded exhaust manifolds be date correct for a 72 Chevy Nova 350 engine built in January 20-1972? Looks like J stands for October-8-1971. Would this still pass for date code judging at a car show?

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