Question: Where Is The Engine Number On A Chevy Small Block?

How do I know what 4.3 engine I have?

Locate the GM 4.3 engine serial number on the left (remember, engines are always viewed from the rear; if the engine were in a vehicle, the left side is the driver’s side) front bank under the cylinder head.

Record the last two letters of the number..

What year did Chevy come out with the 327?

1962The Chevrolet 327-cubic-inch V8 originated with the small-block family of engines that first appeared in 1955 with a 265 cubic inch powerplant. Following with a 283 cubic inch version that appeared in 1957, the mighty 327-inch small block made its debut in 1962.

How do you decode a big block Chevy engine number?

The prefix code is identified by the first few letters. The plant where the Chevy big block engine was manufactured is the first character. The following numbers are the day, followed by the month. For example, a prefix code of T1218: “T” stands for town of Tonawanda, 1218 stands for Dec.

Where is the engine number on a Chevy 350?

How to Identify a Chevy 350 MotorLook at the rear of the engine block for casting numbers, by where the transmission mounts to the engine. … Write down that number, and go to MorTec.com. … Look for a second casting number on the rear of the block. … Look at the front of the block, just forward of the valve covers.

How do you decode a Chevy engine number?

Decode the engine ID number suffix. The suffix identifies the engine displacement, horsepower, year and vehicle model. In the example ID number T0830CTY, CTY decodes as a 1970 396 c.i.d. Camaro with 375 horsepower. The suffix must be compared with a Chevrolet engine ID number listing.

How do I find my engine block number?

Locate the engine ID number. On small-block V8s, it is located on the passenger-side front of the engine block, right below the cylinder head. Big Block V8s normally have the number in the front, near the timing chain cover and in-line six-cylinders locate it on the passenger side behind the distributor.

What year is the best Chevy 350 engine?

L31 (2002) From a purely technical standpoint, the most recent version of the Chevy 350 would naturally be the best of the bunch. Marketed as the “Vortec 5700” engine, but known internally by the moniker of L31, this engine was used primarily in GM vans and trucks until 2002.

How do I know if I have a 350 or 327?

Some 327 and 350`s shared the same casting numbers. So there are other ways you can tell. One way is by the suffix code stamped on the block`s deck on the passengers side front of the block. Another way is to check the cranks casting numbers.

What is the difference between a 327 and a 350?

The difference in the displacement comes from the crankshaft stroke. The 327 uses a 3.25 inch stroke, where the 350 uses a longer 3.48 inch stroke(thats what makes it bigger). Depending on the year of the block, the biggest difference in the block itself is the main journal size.

How do you read a engine serial number?

Engine Serial Number compositionthe list number or build list, typically 2 to 4 letters followed by 4 or 5 numbers.a letter identifying the country.a series of numbers showing the build line, also called a serial number.a letter indicating the year of manufacture.

Where is the engine number on a 327 Chevy?

The 327 Chevy engine is stamped on a machined pad on the front passenger side cylinder head usually behind the alternator.

What does an engine number tell you?

Automobiles. Every vehicle engine is marked with an engine number by the factory. The engine number includes coded information, which can be decoded to reveal, for example, year of manufacture, country of manufacture, and engine type.

How do you tell what year your engine block is?

What Year is My Engine?There are two ways to determine the year your 604 was manufactured. … However, the most accurate way is to look at the serial number on the block, which is located on the drivers side, rear, on the extended part of the deck surface that goes over the bell housing area.More items…

How do I identify my LS engine block?

How to Identify an LS EngineThe 8th digit of the VIN.By visual inspection. The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. (See below.) If you don’t have the VIN, you can still identify the engine by visual inspection if you know what to look for.

How do you read engine numbers?

You can find the VIN in the lower corner of your windshield on the driver’s side. In the series of numbers and letters, the tenth from the left denotes the model year and the eighth is the engine code. Just tell the store clerk those two characters and you’re in business.

Where is the engine block number located on a Chevy?

Locate the engine ID number. On small-block V8s, it is located on the passenger-side front of the engine block, right below the cylinder head. Big Block V8s normally have the number in the front, near the timing chain cover and in-line six-cylinders locate it on the passenger side behind the distributor.

How do I find out the size of my engine?

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. Just tell the store clerk those two characters and you’re in business.

What year is my Chevy engine block?

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.