Small block suffix codes

All these are identified. 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.

Block s show up as 86-95 305350 and head s are in the same range.

Small block suffix codes. Small Block Chevrolet engine suffix codes. Engine Code Years Cid Application Engine Vin Hp Bbl. SBC Engine Suffix Codes.

Click on the header to sort. Code Year CID HP BBL Appl. Small Block Chevy Suffix Codes.

All these are identified. All engines are stamped with an ID serial number showing plant code production date and suffix code. 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. The entire engine Code contains the assembly plant month and day along with the engine suffix Code. For help go to engine Code help or engine decoding FAQ.

Choose Group to View Small Block Engine Suffix Codes Select Suffix Group - B C - CZZ D - FZZ G - KZZ L - SZZ T - TZZ U - ZZZ 262 265 267 302 305 or 307 327 350 400 ALL very big. The entire engine Code contains the assembly plant month and day along with the engine suffix Code. For help go to engine Code help or engine decoding FAQ.

Choose Group to View Small Block Engine Suffix Codes Select Suffix Group - B C - CZZ D - FZZ G - KZZ L - SZZ T - TZZ U - ZZZ 262 265 267 302 305 or 307 327 350 400 ALL very big. Chevrolet Small Block Engine Production Suffix Codes Chevrolet Big Block Engine Production Suffix Codes Chrysler Hemi Engine Codes All engines are stamped with an engine ID code consisting of assembly plant code production date and suffix code. The location of this code depends on the type of engine typically as follows.

Small Block Chevy. Small Block Engine Suffix Code Menu 3N - CDR CE - CMJ CMK - CUD CUF - DTM DTR - HQ HR - TBS TBT - TJS TJT - TXB TXC - UTT UTU - ZY. 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.

Four bolt main blocks are desirable in high performance applications because the extra strength of. 400 cid v8 engine - small block 1975 c10 k10 c20 k20 1976 c10k10 c20 k20 1977 c10 k10 c20 k20 1978 c10 k10 c20 k20 1979 c10 k10 c20 k20 1980 c10 k10 c20 k20. 1 tll tlm tlr tls tls tlr tlm tll tls tlr tlm tll tlk tlb tla tlj tld tlk ttr tls tlr tlh tlx ttb.

454 cid v8 engine 1973 c10 k10 c20 1974 c10 k10 c20 1975 c10 k10 c20 1976 c10 k10 c20 1977 c10 k10 c20. The suffix code for 6 cylinder engines can be found stamped on a pad near the distributor. Suffix codes for small block V8s are stamped on a pad located on the front of the passenger side cylinder head as shown in this example.

T03I9QA TTonowanda assembly plant 03March month 1919th day QA400hp 409 suffix code. This list of codes is a summarization it is not complete nor all inclusive. Small Block Engine Suffix Code Menu 3N - CDR CE - CMJ CMK - CUD CUF - DTM DTR - HQ HR - TBS TBT - TJS TJT - TXB TXC - UTT UTU - ZY.

Big Block Engine Suffix Code Menu 0FC - 9XZ AAA - CTB CTH - IJ IK - MZ Q - YZ. Block s show up as 86-95 305350 and head s are in the same range. Best I can tell is the 305 is an 87-95 truck engine and the 350 may have been an 89-92 Camaro engine but I dont recall too many 350 TBI camaros.

The pad by the alternator has legible suffix codes FAA and UPK but the VIN section is illegible. Were junking the 305. Engine identification may be determined by finding the engine block VIN and the engine application code in the following tables.

On 4- and 6-cylinder engines the code is stamped on a pad on the passenger side of the block to the rear of the distributor and above the fuel pump. V8 engine codes are stamped on a pad forward of the cylinder head on the passenger side of the block. Chevrolet used 1 or 2 characters for suffix codes from 1955 through 1969.

Engine codes from 1970 and up use 3 characters. However exceptions to these rules do exist. Many Chevy small and big block engines manufactured around 1966 had a three character engine suffix code where the last character is an H or an R.

Small Block Engine Suffix Code Menu 3N - CDR CE - CMJ CMK - CUD CUF - DTM DTR - HQ HR - TBS TBT - TJS TJT - TXB TXC - UTT UTU - ZY. When matched to this listing the suffix code CSB is identified as a 1973 400-cubic-inch engine with 175 horsepower originally installed in a Chevy Caprice. Chevy Small Block Engine Suffix Codes.

Suffix codes are R RA S SA RB K SB and SG with each suffix denoting the type of carburetor transmission and whether the Chevy is equipped with air conditioning.