Sep 14, 2012 · All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. V8 codes are stamped on a pad just forward of the right …

Mar 19, 2025 · In this guide, we’ll walk you through how you too can find, decode, verify, and do a lookup on GM (General Motors) engine serial numbers for Chevy, Pontiac, Buick, Oldsmobile, …

Aug 26, 2021 · Deciphering Chevy's engine casting numbers, date codes, and suffix stampings will help confirm just what you have in your new project car. These codes are great to have on …

Aug 11, 2025 · We previously broke down the LS engine codes in detail, covering everything from the LS1 to the LS9 and beyond. That article, which you can read here, helped clarify the Gen …

Aug 15, 2025 · Looking for a comprehensive gm engine codes list? Find detailed explanations and troubleshooting tips to decode your engine’s diagnostic trouble codes easily.

More than just a list of GM Trouble Codes! Our resources can help you fix your check engine light now! Informative articles and access to technician advice, component tests and wiring help!

Beginning in late 1969 model year, 3-letter engine suffix codes were used on the engine pad. This example happens to be a September 22-built 1970 396 engine with a TH400 transmission as …

Your engine code is an eight-digit number found on the passenger side of the engine. This code tells you where and when your Chevy engine was manufactured, how much power it …

We have detailed instructions about Chevy casting number locations and extensive notes about Chevy "mouse motor" and "rat motor" V-8 engines. Mortec also has information on Chevrolet …

Sep 19, 2013 · Check out this quick reference of Chevy V8 block-casting numbers. Bookmark this quick reference guide and check back as needed.