Table of Contents
Where are Chevy block castings?
The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver’s side. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing.
How do you read GM engine casting numbers?
Read the next four digits in the code, which will be all numbers. This refers to the date that the engine was cast. The first two numbers are the month, and the last two are the day. For example, if the numbers read 0107, then the engine was cast on January 7.
How do you tell what year your motor is?
The engine will have a alphanumeric casting number on the passenger side (right side) of the block, under the heads. The first letter of the code identifies the decade (C=1960s, D=1970s, E=1980s), the second digit in the code identifies the specific year.
Where is the casting number on a Chevy 350?
Look at the rear of the engine block for casting numbers, by where the transmission mounts to the engine. There will be at least one set of numbers on the block. If you need to clean up the block to read the number, use the wire brush in combination with the degreaser.
Where are SBC casting numbers?
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).
How do I identify Chevy heads?
Chevy heads have often been identified by sight and most commonly by the different casting shapes on the ends of the cylinder heads. While these casting marks cannot tell specifics about the cylinder heads, they can help identify a performance head from a non-performance head.
What size Chevy engine do I have by Vin?
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.
How can I tell how old my engine is?
Using The VIN
- Open the hood of the vehicle and set the support bar.
- Locate the stamping plate that is on the block. Make a note of the 17-digit VIN on a piece of paper.
- Find the eighth letter or number in the VIN. This letter or number is used to indicate the type of engine that is used in the vehicle.