How to identify a Chevy bowtie engine block?

Reference the block casting number to identify the Chevrolet Bowtie block. When referenced to the listing found on the Chevy Legends site, casting number 366286 identifies a Bowtie engine block with a four-bolt main bearing, 4.00- to 4.150-inch cylinder bores and a 2.45-inch main journal.

How can I tell what engine my small block Chevy is?

Open the hood on your vehicle and look for identifying stickers or marks. Most cars and trucks have a sticker or label placed somewhere under the hood that lists basic information about the vehicle, including engine size.

What are the casting numbers for a Chevy block?

Chevy Block Casting Numbers Use these casting numbers to identify the block you have. Small Block Casting numbers Casting Number Years CID Comments 330817 70-80 400 Car & Truck 2 & 4-bolt 3-freeze plugs 355909 75-79 262/305 car & Truck 2-bolt 360851 75-76 262 2-bolt 361979 76-79 305 car & Truck 2-bolt 366245

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.

How to decode Chevy small block V8 engine identification?

Chevy Small Block V8 Engine Identification General Decoding Information This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it. The primary pieces of information you’ll decode are the; Engine Codeand Partial VIN. Casting Date. Casting Number.

What kind of engine is a Chevy small block?

The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic, and for a V8, smaller engine block.

What are the casting numbers for a Chevy small block?

Here is a list of casting numbers, along with their original applications. Generation I Small-Block. 10036033 Small Block V8 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal. 10051182 Small Block V8 2 bolt, Bow Tie block, 3.75-4.30 bore, 1-piece rear seal.

How to identify a Chevy small block flywheel?

Look for a counterweight. All Chevrolet small-blocks are internally balanced, with the exception of the 400 cubic-inch small-block, the 400 cubic-inch engine-flywheel has a counterweight mounted to the flywheel plate. Determine the flywheel-flange bolt pattern. These are the bolt holes found around the center of the flywheel.