I know of a couple of cases on Norwood built Camaro's with big blocks where the car and engine were built during the same week. The engine could be at the Norwood plant 2 days after it was built. So very close dates on these doesn't surprise me. Usually there is a little more separation between engine and car build date but not always.
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Scott Kiehne
70 SS L78 Camaro, born with drivetrain, 4:10's & M22, Classic Copper, Concours Restored.
70 SS L78 Camaro, Antique White w/Bright blue interior, 4:10's & M21.
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