How do you decode GM engine numbers?
Every GM engine is stamped with an eight-digit code.
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How to Decode the GM Engine Block
- Locate the engine block code. …
- Wipe any grease or dirt off the code to make sure you read each digit correctly. …
- Look at the first digit, which will be a capital letter. …
- Read the next four digits in the code, which will be all numbers.
How do I tell what year my Chevy engine is?
If a manual is unavailable, locate the block casting number beside the block date number. Match your block’s casting number to an online list of Chevy block casting numbers, which will indicate the years during which your engine was manufactured.
How do I tell what year my engine is?
How can I determine the age of my engine? (For engines manufactured after 1965)
- The first two digits (99) denote the year of manufacture. …
- The next two digits (01) are the month of the year, which is January.
- The following two digits (15) are the day of the month.
How do I identify my Chevy engine?
You can identify a Chevy by the numbers on its engine block, recorded in an official Chevy engine block registry. The identification number consists of a seven-to-eight digit code. The prefix consists of five digits and explains the date and the location of the Chevy’s manufacture.
How do you read a engine serial number?
Your serial number is located on your engine plate, often located on the left-hand side of the engine. Typically the first letters and numbers will identify the engine, for example, DJ51279, to find all the parts we have online for your engine.
How do I identify my engine?
Find it in the lower corner of your windshield on the driver’s side. Your VIN number is your vehicle identification number and you can find your engine size by VIN number. In the series of numbers and letters, the tenth from the left denotes the model year and the eighth is the engine codes.
Where is the serial number on a small block Chevy?
Where Are Chevy Small Block Casting Numbers Located? On a small block Chevrolet, the casting number is found at the rear of the block on the driver’s side (as is with Chevy’s big block engines).
Where is the serial number on an engine block?
The engine serial number is on a metal plate attached to the block, typically found on the left-hand side of the engine. The position of the engine plate varies across different engine series.
Where can I find engine number?
Lean under the open hood and look at the wide metal part, most likely located right in the middle. This is the engine. On top of the engine, your engine number should be engraved into the metal. If you don’t want to look under the hood, check the car’s registration, if you have it.