Where is the block casting number on a Chevy V-8?

There are three block casting number types to look for: the block CASTING NUMBER, the block CASTING DATE and the ENGINE ASSEMBLY DATE/SUFFIX CODE. Block Casting Number 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.

Do you know the casting date for a Chevy engine?

A number of the casting dates refer only to the year of the decade so you will have to see which other features the part has to determine which decade it was made in. Some casting dates do have the year and the decade indicated, making it easier. We are always looking for new Chevy engine castings numbers.

What are the casting numbers for a Chevy Nova?

55-56 265 Car & Truck 2-bolt 3731548 57 283 Car & Truck 2-bolt No side mount 3737737 57-62 283 2-bolt 3737739 57-62 283 2-bolt 3756519 58-62 283 2-bolt 3782870 62-67 327 car & Truck 2-bolt 3789817 62-67 327 2-bolt 3789935 61-66 283 car & Truck 2-bolt 3790721 64-67 327 2-bolt Chevy II Nova Recessed filter 3791362 66-67 327

Where is the casting date on a GM block?

If you have an early big block or a late model smallblock, the BLOCK CASTING DATE may be on the passenger side of the engine block, (see 2A), instead of the rear ledge of the block. Some smallblock blocks may also have the BLOCK CASTING DATE on the driver’s side of the block.

What are the casting numbers on a Chevy cylinder head?

Chevy cylinder head Identification – Small block casting numbers, Big block cylinder head, camel back heads, double hump heads Find cast numbers Cylinder Head ID Use these casting numbers to identify the heads you have. Small Block Casting numbers

When was casting number 3970010 put on engine?

From the research I’ve done, this casting number was put on 327 and 302 cid engines in 1968 and 1969 as well as 350 cid engines throughout the 70’s. I’m thinking this block is from 1978, especially since the small surface in front of the passenger side head that usually displays the engine suffix code is the smaller type.

Where is the casting code on a Chevy Camaro?

The Engine Block Casting code is one of the best ways to identify a Chevy engine block. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. Passenger/Camaro Rare?-NO!

What are block casting numbers for small block Chevrolet V8?

Block Casting Numbers for Small Block Chevrolet V8 Block Casting Numbers for Small Block Chevrolet V8 Chevrolet Small V-8 Cylinder BlockCasting Numbers 1955-1985 These listings are always a work-in-progress. If you have any documented info that can be added to these pages, please contact me and let me know. Casting # C.I.D. Year

Where is the casting code on a Chevy engine?

Fourth Generation Pictures The Engine Block Casting code is one of the best ways to identify a Chevy engine block. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange.

What is the VIN number on a Chevy small block V8?

The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. 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.

Where are the Chevy engine block identification numbers?

Chevrolet Block Identification number locations. Photo from www.justanswer.com 14010207 Small Block V8 1980-1985 350, 2 bolt or 4 bolt 14011148 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal 14088526 Small Block V8 1987-1989 350, roller cam, 1-piece rear seal 14088551 Small Block V8 1986-1987 305, 2 bolt, 1-piece rear main seal

Where are the numbers on a GM engine block?

This series of seven to eight digits begins with a letter and is stamped directly on the engine. Look behind the distributor on the passenger side of the block if it is a six- cylinder GM motor. On a small block GM V8, it is stamped in front of the cylinder head on the passenger side.

Where are the casting numbers on a GM Truck?

The matrix on the right is the Engine Casting Numbers and should prove to get you the ID, Make and Year of your Engine. Before we get into further explanations of Casting Numbers, if you are trying to decipher the VIN plate on the Trucks Drivers Side Door Jamb, you can get that information on our History Page Here .

Where are the casting numbers on a Chevy?

The block casting numbers do not have any letters in them. There are sometimes individual letters found on blocks like “GM” or “CFD” for the Central Foundry Division, but they are not part of the block casting number. Also some of the later blocks have the size of the motor shown in liters.

How to decode the GM engine block casting code?

If there is more than one entry for your suffix code, then use the engine block casting date code to identify the year of the engine and identify the correct suffix entry. Getting hands dirty is just part of the fun for Sarah Shelton, who draws on personal experience to write home and garden, automotive and travel articles.

How big is a Chevy big block V-8?

10106122…350…….forged..large 2.76″ journal…3.66″stroke CHEVY BIG BLOCK V-8 Crankshaft Casting Numbers BBC TWO PIECE REAR MAIN OIL SEALS 3.76″ STROKE used on ’65-’90 Mark IV 366T, 396, 402, 427 or 427T

Where are Chevy V8 engine blocks and heads made?

You may also see a raised casting on the block or heads of “Hecho en Mexico” which means “Made in Mexico”. Many of the new GM crate motors are being made in Mexico.

What are the casting numbers for a BBC engine?

BBC Engine Block Casting Numbers Casting # Year CID 340220 1972-76 427 345014 1974-86 454 346236 1974-76 454

What size engines are big blocks?

665-685 lb (302-311 kg) The Chevrolet “Big Block” is a term for a series of large displacement V8 engines that have been developed and produced in the United States from the 1950s until 2009. As American automobiles grew in size and weight following the Second World War, the engines powering them had to keep pace.

How big is a Chevy big block?

Generally a “small block” was under 400 cubic inches (6.55 L) and a “big block” was over 400 cubic inches. However, there were some exceptions, the Chevy 396 is commonly considered a big block because it shared parts with other Chevy big blocks.

Where is the engine number on a Chevy small block?

Look for the identification number on the engine block. 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 . Look closely because the alternator blocks the identification number.

What is the biggest Chevrolet big block?

A 632 big-block Chevy is about the biggest big-block you can build with off-the-shelf parts. Editor John McGann breaks it down for you.

Where are the casting identifiers located on an engine?

The diagram above shows where each of the casting identifiers is located on the engine. (1) shows the location of the HEAD CASTING NUMBERS and the HEAD CASTING DATE located under the valve covers, in the rocker arm valley. (2) shows the position of the BLOCK CASTING DATE on the rear ledge of the block near the bell housing mounting surface.

Where can I find the block casting number?

You may see a “5.0” (305) or “5.7” (350) cast on the rear ledge of a smallblock or a “7.4” on the side of a big block 454. On the side of some later blocks the last three digits of the block casting number are cast into the block, but these are difficult to see when the engine is in a vehicle.