The primary difference between the 348 and 409 cylinder heads is that the 409 head was the only W-block small port head that used 3/8" push rods. The 409 valve spings were larger in …

348/409 This page contains various pictures of 348 and 409 engine parts. These pics have been assembled here to use as a reference and to help in identifying these parts. Part numbers are …

A more detailed breakdown of production numbers for 1958-65 Chevrolet full size.

* Tips for proper installation of heads gaskets. 1) Cleaning. The most important operation of regasketing your engine is thorough cleaning of the cylinder head, block, bolts, and bolt holes. …

For 1958-65 Chevrolet & (this chart also includes 1965 396 engines) The suffix code for 6 cylinder engines can be found stamped on a pad near the distributor. Suffix codes for small block V8's …

The 348-409.com info exchange message board. 1958-1965 Chevy information and lots more!

This page has information for the 348 and 409 Chevrolet engines. It also shows the locations of various number and code locations on the block/heads.

General information on 348 and 409 engines.348 The 348 engine was first introduced in October of 1957. The 348 was originally scheduled to be used only in Chevrolet trucks. More cubic …

How to decode the date codes on 1958-1965 Chevrolets engines and their parts.

Everything for your 1958-1965 full size Chevrolet. Specializing in information for the legendary W-motor 348's and 409's as well as the 427 Z-11. Message board, photo albums, classifieds, …