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Suffix Portion of Chevy Engine Code. Suffix codes are either alphabetical or alphanumeric. Select the portion of the alphabet for your code. For example, select "DTR-HQ" if you'd like to find code DZ.
Small Block Chevy Suffix Codes: CE - CMJ. GM body designation. All these are identified here. Quickly, A = Chevelle, F = Camaro, X = Nova. If you're looking at the engine code - this is already known.
This engine could’ve been a 267ci boat anchor, or a super-rare beast from the muscle car era, so let’s dig into the process of identifying this crusty small-block Chevy and find its history. As we zoom in a little closer, our engine has the suffix code of “HN.”
Engine Suffix Stamping Codes Menu. Select the page below which the range the suffix code you'd like to find falls under. For example, select "DTR-HQ" if you'd like to find code DZ.
The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code.
When it comes to identifying the specifications of a Small Block Chevy (SBC) engine, one of the most important factors to consider is the engine suffix code. This code can provide valuable information about the engine, including its original application, horsepower, and torque ratings.
The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc… (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss.
This is done by locating and deciphering the engine casting date code. The block casting number may also be of benefit in helping to determine the date range of a particular engine. Step two is to match the engine suffix code, and the date code, with the engine suffix codes listed in this book.
Small block chevy suffix codes are easy to find on the internet. The code is stamped into the front of the block on the passenger side on the deck surface.
Your Chevrolet small block engine comes with two sets of codes: the engine code and the partial VIN code. Each one can tell you a lot about your engine. Let’s find out what you can learn and how to decode each one!