Our 4 sped car has the original MQ code engine. The Chevelles had the VIN stamped on the deck behind the alternator. I would think that the only engines without a VIN would be the CE replacements. Our car was one of the last built and the engine build date is months before this one.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now.