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Olds 455 Date Codes, Feb 15, 2003 · OLDSmobility. 455s will have 8,9,0,1,2,3,4,5 or 6 for the 2nd digit, for years 1968-76. The number are about ¾" high, and oriented to the right (passenger) side. This engine was placed in a wide variety of Oldsmobile's vehicles for a period of nine years. The 455 is a member of Oldsmobile's V-8 engine class. The date code on this tag (for all years of H/O’s) is designated by a 3 digit code (2 numbers and a letter). May 22, 2010 · Olds 455 Nonspecific The casting number on Olds engines is located at the front of the block on top of the timing gear housing. A nine-digit engine ID code is stamped on a pad directly below the Number One cylinder. The document provides engine codes and specifications for Oldsmobile engines from 1964 to 1969. The first digit is a 3, signifying the Oldsmobile division, followed by a single digit for the year, e. A note about Oldsmobile casting dates: Oldsmobiles use Julian date codes. These parts should fall within a few weeks prior to the assembly date code stamped into the Fisher Body tag. Many components have date codes. For originality and number matching authentication Can someone tell me where I can find the chart that explains how to decode the “Date Code” near the distributor engine block? I've got a couple of blocks to decode before posting 1 of them for sale and keep the other. This code has a 2-letter prefix code followed by a 3-digit production code. This code has a letter designating the plant (Flint = F), a production date code (month/day), and a suffix code which identifies the engine. Apr 7, 2002 · To read it: it will have something like 39Mxxxxxx, in which 3 is Oldsmobile Division, 9 would be 1969, M is Lansing assembly, and then the six digit car VIN. g. Nov 16, 2023 · How do you read the numbers on a block for a 455 I believe it's a 1970 engine but I'm not sure 1970 Olds 442 trying to find out if this is the original motor or if somebody drops something else in it Aug 12, 2019 · I have 1971 cutlass with different engine and would like to know the year of my motor. The numbers on it are 395558 2, like to know what each number means. Identifying these engines is relatively simple if the casting numbers on the engine block are intact and legible. com has a FAQ section that should give the alpha codes for specific engine applications. <P>442. 2=1972, a letter designating the assembly plant, and a six-digit serial A note about Oldsmobile casting dates: Oldsmobiles use Julian date codes. com - The 1967 Oldsmobile Cutlass and 442 Resource - Oldsmobile Engine Identification Oldsmobile Engine Identification - Block ID OLDSMOBILE BLOCK CASTING NUMBERS Blocks 1949 - 1964 The casting number is located at the rear of the bell housing. All you will see is a number cast into the part from 1 to 365. For originality and number matching authentication . It includes the engine type, horsepower, carburetion, transmission, compression ratio, and code for each year. yeov, gy8a, zirxuo3, dc8af, m6qk, fdbcp4k, 9mf, zthp, inc9sv, 1yl,