I'd go by what the vin says. Or you could get the serial number off the engine and I'm sure the dealer could run that.

You never know what people do over the years, it could have started out as a 420 and someone stuck an M117 into it.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200