105 rows · Chevrolet Small V-8 Cylinder Block Casting Numbers 1955-1985 These listings
10243880 (common casting number of a 5.7L Vortec. Some of the 1986-up Chevy small block engines. Big Block, LS, LSX, LT, Circle Track and COPO crate engines, giving enthusiasts more choices for powering their projects. Chevrolet Performances expanding crate engine lineup offers something for. Chevy Small Block Engine Casting CodesThe Engine Block Casting code is one of the best ways to identify a Chevy engine block. This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange.
Decoding the ID numbers on Chevy Smallblock motors:(Info compiled Ray Buck [09/23/2000]) Since there are several numbers on the block, we need to identify the ones we're gonna use. The first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like:3970010. Chevy Smallblock DecodingDecoding the ID numbers on Chevy Smallblock motors:(Info compiled Ray Buck [09/23/2000]) Since there are several numbers on the block, we need to identify the ones we're gonna use. The first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like:3970010.
There are three block casting number types to look for:the block CASTING NUMBER, the block CASTING DATE and the ENGINE ASSEMBLY DATE/SUFFIX CODE. Block Casting Number. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. Decoding a Corvette's V8 Casting Numbers and Engine Dec 11, 2007 · Also, the numbers are specific to the size of engine in the Corvette. 283s, 327s and 427s all had their own casting numbers specific to individual years, so for the process of documenting a Corvette engine, the casting number will be used to confirm that that block was used in a Corvette and that it was available during the same year
Sep 16, 2013 · SBC engine casting numbers. Small-Block Chevy V8 Casting numbers by Mortec Chevy BB and SB casting number "go-to" site from outintheshop Smallblock info from nastyz28 SBC ID from 73-87 SBC casting numbers from classictruckshop Chevelle-specific block casting number info Inline engine casting numbers Information on Small Block Chevy Head Casting Numbers Chevy small-block engine head casting numbers identify the model year, horsepower range, valve and chamber size and the size of the intake and exhaust ports. The most common heads sought by engine builders are ones identified variously as the "Camel Back," "Double Hump" or "Humper" heads used on a range of passenger cars and performance vehicles.
Whether you are an engine builder, drag racer, circle track racer, boat racer, road racer or a hobbyist doing a classic Chevrolet restoration, Mortec has information you can use, starting with our ever-popular Chevy casting number lists for small-block (SBC), big-block (BBC), and 348-409 V-8 engine blocks, cranks and heads. Small Block Casting Numbers - 1968sscrossbolted block Gen.III "LS1" aluminum. 12551358 .99-up . Gen.III 4.8L or 5.3L cast iron truck. 12551364. 364. 98-04 . crossbolted cast iron Gen. III 6.0L truck. 12559378. 350. 99-up . crossbolted block Gen.III "LS1" aluminum. 12559846. 350. 98-up . crossbolted block Gen.III "LS1" aluminum. 12560621. 350. 98-up . crossbolted block Gen.III "LS1" aluminum. 12560626. 350.
Small Block Chevrolet engine suffix codes. Engine Code Years Cid Application Engine Vin Hp Bbl Gm Body Comments ; 1:C:1957:265 Small Block Chevy Casting Numbers - Summit Racing Oct 04, 2001 · Small Block Chevy Casting Numbers Please see the attached charts to help figure out exactly what you have. Answer ID 633 Published 10/04/2001 08:08 PM Updated 12/18/2018 07:58 AM
Oct 04, 2001 · Small Block Chevy Casting Numbers Please see the attached charts to help figure out exactly what you have. Answer ID 633 Published 10/04/2001 08:08 PM Updated 12/18/2018 07:58 AM Small Block Chevy Engine Block Identification FreeWhile 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). In 1968 the main bearing saddles were increased in size from 2.3" to 2.45".
Sep 19, 2013 · 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. 10051184 Small Block V8 4 bolt, Bow Tie, 4.00-4.160 bore, 1-piece rear seal. 10054727 Small Block V8 1986 350, 2-bolt or 4-bolt, one piece rear seal