#Chevy engine serial number decoding drivers#

The first one I usually use is the block casting number which is located at the back of the drivers side cylinder head and will look something like: 3970010. It is found underneath the bolts on the left or right side of the engine, near the front of the car.Īlso Know, how long is an engine serial number? Decoding the ID numbers on Chevy Smallblock motors: (Info compiled Ray Buck ) Since there are several numbers on the block, we need to identify the ones were gonna use.

#Chevy engine serial number decoding series#

The tag is a series of numbers and letters etched in and used to decipher the year, make, and model of you engine. The engine serial number is usually found on the front or rear of the engine block to the sides of the engine.Īlso, how do I identify my Ford engine? Locate the ID tag under coil attaching bolts for six-cylinder and some eight-cylinder engines. Similarly one may ask, where is the serial number on an engine block? The engine type is a five-character code, which is followed by and separated from the engine serial number by a hyphen.

#Chevy engine serial number decoding upgrade#

NOTE: You can find engine specs and detailed engine upgrade advice for every LS and LS-based Vortec truck engine in one place: The Definitive Guide to LS Engine Specs and LS Engine Upgrades.The engine type and serial number are found near the front of the vehicle, stamped on the engine block where the transaxle housing and engine block join one another.

The numbers are as follows: VIN: 113140XXXX. Have been searching but all I can find is info on American trucks. 4 LS Truck Engines (Vortec) 8th Digit of VIN Hey all Wondering if any of you can help me out and decifer a VIN and engine serial number. 3 LS Truck Engines (Vortec) 8th Digit of VIN The numbers following the F or T designate the calendar month and the date the engine was produced. These were the two locations where engines were manufactured at the time. The first letter is either F for Flint, Michigan, or T for Tonawanda, New York. Just like a fingerprint, your cars VIN number can tell you all sorts of information, from where it was made and who by to its engine size, safety features.

Consult the tables below to identify your engine. A stamped serial number appears on the flat part of the distributor deck.

#Chevy engine serial number decoding code#

You can determine the RPO code if you have the VIN from the original vehicle. In this example, 6A174373 decodes to 1966 Atlanta final assembly, and the last six digits of the VIN. In that case you might see ' T0601ED 6A174373 ' stamped into the pad on the front passenger side of the block.

#Chevy engine serial number decoding how to#

How to ID an LS Engine by VINĬhevrolet’s LS and LS-based Gen III and Gen IV small-block engines are generally known by their RPO code. Chevy used one to three letters of the alphabet to code the type of engine, transmission and vehicle into the suffix code. If the engine you are looking at has been modified, the guide may not give you the right answer. Please note that this guide is intended for stock engines. Just answer a few basic questions and the tool will be able to tell you what LS engine you have (or at least really narrow down your options). can be used to determine if a vehicle contains the original engine. The LS experts at Summit Racing created an interactive tool to help you easily make a positive ID by answering a few questions. LA1 is stamped or laser etched on the left side rear of the engine block. Last 6 Digits Equal the last 6 digits of the vehicle’s VIN. Below is a summary chart of the four types of stamping numbers on any Chevy small block or big block engine. If you don’t have the VIN, you can still identify the engine by visual inspection if you know what to look for. Chevy Small/Big Block Engine Code Stamping Numbers. This is an example of the 1954 model year. YG means it’s a 235ci Corvette engine that comes with a Powerglide transmission. F is the code for the Flint, Michigan production plant. However, the most accurate way is to look at the serial number on the block, which is. 0001001 is the unit number for the manufacturer to keep track of the engine during production. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. There are two ways to determine the year your 604 was manufactured. To ensure you’re using the the right parts, you need to know which LS engine you’re starting with. The similarities between them make several LS parts interchangeable, but there are critical differences too. There are more than 40 variations, including the LS-based Vortec truck engines.