Identifying Small Block Chevy Heads By Casting Numbers

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Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads.. - The GM small block was specifi.y designed as a compact sized engine to em.ce the economical use of iron and to streamline the production process. Part of the design process that was carried through to the Gen III design in 1997 was to create lightweight rocker arms for higher rpm operation, wedge .This tells of good and bad heads, casting number IDs, and much more helpful information about Chevy .Small Block Chevy Cylinder Head Identification. Chevy Cylinder Head Casting Numbers. Years, Casting#, CID, Intake, Exhaust, CC, Comments. 1971-75, 330545, 307,350, 1.72, 1.5001, 74. 1971-73, 330862, 400, 1.94, 1.5001, -. 1971-76, 333881, 350, 1.72, 1.5001, -. 1970-80, 333882, 350,400, 1.94, 1.5, 76. 1973-80 .

The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors between using the same basic .Dart heads and blocks are stamped or cast with various numbers that can tell you quite a bit about the part. Knowing how to read and interpret these markings can save .The 1967-69 Z/28 302 cubic inch small block V8 Excerpted from Year One's Camaro Restoration catalog In 1967, Chevrolet was busy promoting their new pony car, .Big-Block Chevy Big-block Chevy engines are easily distinguished from small-blocks by their wide cylinder heads and splayed valves. However, telling a late 396 from .

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