Chevrolet engine block casting numbers

General Decoding Information This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it.

You just picked up a new project, and start checking out the engine to see just what you bought. Is it the original for the vehicle? Or has the transmission been changed? 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 hand when shopping at the local swap meet or salvage yard as well. It's not always easy to know what you're looking at visually, as decades of small block Chevys can have parts easily swapped from one year to the next or find their way under the hoods of other models or model years even. Want to know exactly what you have?

Chevrolet engine block casting numbers

This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox. General Motors GM truck motors are known for their durability, reliability, and performance. Whether you're looking to purchase a new or used GM truck engine for your race car build, it's important to know how to identify the motor to ensure you're getting the right one for your needs. One way to identify GM truck motors is by their casting numbers. The casting number is a series of alphanumeric characters that are usually located on the engine block or cylinder head. It's a unique identifier that tells you the engine's make, model, and year. Here's a breakdown of some of the most common GM truck motor casting numbers and their corresponding year, make, and model information:. As an addition, here are some of the most common casting numbers associated with the GM engine types mentioned previously:. Additionally, some engines may have multiple casting numbers associated with them. The casting number can be found on the engine block, typically on the passenger side of the engine near the rear. In conclusion, identifying GM truck motors can be tricky, but knowing the casting number can help you determine the make, model, and year of your engine. By using this information, you can ensure that you're getting the right motor for your GM truck, whether you're looking to purchase a new or used one. Here's a breakdown of some of the most common GM truck motor casting numbers and their corresponding year, make, and model information: - This is a small block V8 engine that was produced from to

What good is knowing the transmission? Stamped Numbers are a set of numbers literally stamped into the block. Good news is

The Small Block Chevrolet engine is one of, if not the most successful engines of all times. Over the course of 50 years there were many different versions made. Some had better heads, more compression, or even more cubic inches. There are two sets of numbers that will help determine this. The first is a set of Casting Numbers, the second is a set of Stamped Numbers.

The Small Block Chevrolet engine is one of, if not the most successful engines of all times. Over the course of 50 years there were many different versions made. Some had better heads, more compression, or even more cubic inches. There are two sets of numbers that will help determine this. The first is a set of Casting Numbers, the second is a set of Stamped Numbers. As the names imply, Casting Numbers are cast into the block when it was made. These will tell you general information about the engine. If you want more specific information, you have to look at the Stamped Numbers. Stamped Numbers are a set of numbers literally stamped into the block.

Chevrolet engine block casting numbers

Knowing how to do a GM engine serial number lookup can be beneficial for you. Of course, GM has made hundreds of engines over the years, such as the Chevy engine , or the small block , among many others. The GM engine serial number is the production code of the engine.

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As the name infers, the casting number is cast into the block when the block itself is cast. As new castings are released on late models keep your eyes open for the new numbers. Later blocks may also have the size of the engine displacement in liters listed at 3. Of the thousands of available suffix codes, this one shows four possible applications, ranging from a Camaro with HP to a Z with HP. It has a displacement of 6. Some casting dates have both the year of the decade and the decade itself. There are two sets of numbers that will help determine this. You can decode the casting number. Click here to view our promotions! Stamped Numbers are a set of numbers literally stamped into the block. These two numbers are the casting number and engine ID code.

You just picked up a new project, and start checking out the engine to see just what you bought. Is it the original for the vehicle? Or has the transmission been changed?

If you have some information you want to share with us and our visitors, send us an email with the data. Lastly, in extreme cases, you'll want to verify the numbers stamped onto the component were the ones stamped into it originally and aren't restamped. February 7, Small Block Chevy Identification Guide. Some of the early big blocks made in the Sixties have the block casting date located on the passenger side of the block near the freeze plug holes. III, LS1, aluminum, 68cc II, "LT4", aluminum Some engine machining operations decking will obliterate the engine ID. Ask in our Car Mechanic Forums! Also some of the later blocks have the size of the motor shown in liters. It was used in the Chevrolet Camaro SS.