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Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. "Main Caps" is the number of bolts holding the cap. A "two-bolt" main, or a four-bolt main.


If you're searching for a Chevy replacement engine or looking for an engine to hot-rod, locating one is as simple as identifying the ID casting numbers found on the block. Chevrolet has an efficient numbering system for all of its parts, and a shortened version is stamped directly on the engine. A Chevrolet engine ...


The blocks of all Pontiac V-8s from the 287 to the 455 are the same size and very close to the same weight, which can make it more difficult to identify the 11 different engine displacements produced from 1955–79. Adding to the confusion, multiple block codes were used, and date codes can overlap up to three decades.


Ford V8 Engine Identification Differentiating Between Ford V8 Engines : ... FE engine blocks on the rear of the block (behind the flywheel), with no regard to the real displacement. So a "352" block could really be a 332, 352, 390, 410, etc.. Measuring bore and stroke is the best way to confirm the actual engine displacement. ...


How to Identify a GM Block by Floyd Drake III . General Motors uses a systematic engine identification system that requires consulting a Chevrolet engine ID number listing. The information provided is useful, but a problem with Chevrolet engine identification is that many blocks were used for similar engines of different displacement. Cross ...


If you have a small block Chevy engine, and need to identify any parts you have laying around, or maybe the engine that is in your truck, I think you will find the pages below invaluable. Block Casting Numbers: These numbers are located on the drivers side of the engine, at the back of the head on the transmission mounting flange.


block high-performance Ford engine project with a 289 or 302 block, which has a 4.00-inch bore from the start. The quickest path to block identification is the casting number and date code found above the starter on the right-hand side of the block on 221/260/ 289/302, Boss 302 and 351W/351C engines.


The suffix tells you application, original model, Engine RPO, and HP and transmission that were originally mated to the engine. On a Small Block Chevrolet, this stamping code is located on a flat pad in front of the passenger side cylinder head, usually hidden by the alternator.


To identify a Ford motor, start by checking valve cover bolts on the top of the engine for Ford markings. If the bolts are unmarked, look for an ID tag for manufacturer information. Tags can be found under coil attaching bolts for 6-cylinder engines and some 8-cylinder engines, or under the dipstick attaching bolts on other 8-cylinders.