![]() ![]() Some engine machining operations (decking) will obliterate the engine ID.Įngine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code)Īnother example: T0830CTY - (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400)Ĭode Engine Plant Code Engine PlantFFlint (Motor)SSaginaw ServiceHHydramaticTTonawandaKSt. The engine date must precede the car build date, otherwise something is amiss. 6 cylinder engines are stamped on the passenger side of the block behind the distributor.Ĭlick here for Chevy Engine Code Listings V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. The point of this article is to help you figure out how to decode stuff.Īll engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. Lastly, in extreme cases, you'll want to verify the numbers stamped onto the component were the ones stamped into it originally and aren't restamped. You need to decode the engine and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. Numbers matching is important when you're trying to decode a Z28 or Super Sport where the VIN won't identify the vehicle as such. But numbers correct is not numbers matching. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. If it does - it's "numbers matching", otherwise - it's not. The partial VIN will match the vehicles VIN. This match is done via the PARTIAL VIN stamp on the component. When people say "It's numbers matching" - what they mean is the engine (or other component, i.e the transmission) can be MATCHED to the vehicle it was originally used in. This is my opinion, and the generally accepted norm: found what i think was good info on a website which is this : this means Corvette.Trying to decode my small block. ![]() basically this means "it's used in everything", whereas if it simply states "Y". If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B". If you're looking at the engine code - this is already known. Quickly, A = Chevelle, F = Camaro, X = Nova. Home name history competition hk ht hg hq hj hx hz vx identification models links Small Block Chevy Suffix Codes: CMK - CUD ![]()
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