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. The engine will have a alphanumeric casting number on the passenger side (right side) of the block, under the heads. How do you find out what year a motor is? Look closely because the alternator blocks the identification number. The identification numbers on a Chevy engine with a small block V-8 are adjacent to the cylinder heads on the passenger’s side, close to the front of the engine block.
#CHEVY VIN NUMBER DECODING SERIAL NUMBER#
Where is the serial number on a small block Chevy? Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block pad (in front of the cylinder head), or on the transmission flange somewhere. If you know your engine serial number, you can find out the exact parts your engine was built with when it was first made. In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped next to, or under the engine code ID. No engine that exists has the same serial number as another engine.
#CHEVY VIN NUMBER DECODING SERIAL NUMBERS#
What does an engine serial number tell you?Įngine serial numbers are specific numbers assigned to every individual engine. The position of the engine plate varies across different engine series. The engine serial number is on a metal plate attached to the block, typically found on the left-hand side of the engine. Where is the serial number on an engine block? For example, a prefix code of T1218: “T” stands for town of Tonawanda, 1218 stands for Dec. The following numbers are the day, followed by the month. The plant where the Chevy big block engine was manufactured is the first character. The prefix code is identified by the first few letters. How do you decode a big block Chevy engine 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. If a manual is unavailable, locate the block casting number beside the block date number. How do I tell what year my Chevy engine is? Typically the first letters and numbers will identify the engine, for example, DJ51279, to find all the parts we have online for your engine. Your serial number is located on your engine plate, often located on the left-hand side of the engine. For example, if the numbers read 0107, then the engine was cast on January 7.
The first two numbers are the month, and the last two are the day. This refers to the date that the engine was cast. Read the next four digits in the code, which will be all numbers. What do the numbers on an engine block mean?
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