How to identify a Chevy 400 small block?

The Chevrolet 400 was produced from 1970 to 1980, and identifying it is a matter of locating and referencing the engine code suffix. Open the hood and view the engine from the front on the passenger side. Look for the engine code.

What kind of pin do I need for small block engine?

In most cases, the major consideration is the need for a large- or small-journal rod, with either a pressed or full-floating piston pin. Street applications will generally use a pressed pin, but fullfloating pins are desirable for racing engines.

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 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.

Are there any problems with the Chevy 265?

There was an oil filter that was added during production on the housing for the thermostat but it was not adequate enough to give the engine any long term durability. One major problem that GM had with the Chevy 265 was that the pistons would crack at the skirt, usually around 30k miles, causing a deep knocking noise when accelerating.

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.

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.

How big is the Chevy 400 sbc engine?

The engine shares the same length, width and height as other SBCs at approximately 28 by 26 by 27 inches respectively. The identical external measurements made the 400 SBC readily interchangeable with other Chevy engines, such as the 350 CID small block engine, across many of the Chevy and GMC truck and Chevrolet car lines.

What are the casting numbers on a Chevy 400?

Inspect the casting numbers on the engine block. The Chevy 400 cubic inch engine has only three distinct numbers. These numbers are 330817, 3951509 and 3951511. The 1511 casting numbers were mostly four-bolt mains. The interesting point is that the 0817 and 1509 two-bolt mains are the most popular.

What’s the difference between a 350 Chevy and a 400 Chevy?

A small block 350 and a 400 have an identical block design. Most accessories will fit either engine. The major difference is found in the casting numbers and the way they are balanced. Most 350 cubic inch engines are internally balanced whereas the 400 engines are not.

Which is the longest Chevy small block engine?

The 350 holds the record as the longest produced small-block Chevrolet engine made, and it’s powered just about everything imaginable. It was introduced as the 300 hp L-48 in the ’67 Camaro, and over the years found its way into all of the other Chevy models.

How to identify a Chevy 400 small block?