1964-1990 Oldsmobile V8 engine information
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1964-67 V-8 Engine: | 1964-67 V-8 Engine: | ||
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Code is stamped on the right cylinder head. Unfortunately, this only applies to what was originally the driver's side head. This code consists of a prefix letter (330 V-8=T (1964-65) or W (1966-67), 400 V-8 = V), then a production sequence number, followed by a suffix code letter (L = Low compression, E = 2-bbl export, G = High compression, H = 4-bbl export). A 2-letter code on the oil filler tube identified the engine. | Code is stamped on the right cylinder head. Unfortunately, this only applies to what was originally the driver's side head. This code consists of a prefix letter (330 V-8=T (1964-65) or W (1966-67), 400 V-8 = V), then a production sequence number, followed by a suffix code letter (L = Low compression, E = 2-bbl export, G = High compression, H = 4-bbl export). A 2-letter code on the oil filler tube identified the engine. | ||
| − | 1968-later V-8 Engine | + | 1968-later V-8 Engine: |
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Have the last six digits of the VIN number, the year of the block, and the assembly plant stamped on the driver's side of the block below the cylinder head. A 2-letter code on the oil filler tube identified the engine. | Have the last six digits of the VIN number, the year of the block, and the assembly plant stamped on the driver's side of the block below the cylinder head. A 2-letter code on the oil filler tube identified the engine. | ||
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This number should take the form of "35Mxxxxxx" where: | This number should take the form of "35Mxxxxxx" where: | ||
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3 = Oldsmobile division. | 3 = Oldsmobile division. | ||
| − | 5 = year of manufacture (8=68, 9=69, 0=70, ..., 4=74, 5=75, 6=76, etc | + | <br> |
| − | M = location of manufacture (M = Lansing, B=Baltimore, X = Kansas City, Z = Fremont, CA, etc). | + | 5 = year of manufacture (8=68, 9=69, 0=70, ..., 4=74, 5=75, 6=76, etc).<br> |
| − | xxxxxx = last six digits of VIN of car that motor originally came in (original car's sequential production number). | + | M = location of manufacture (M = Lansing, B=Baltimore, X = Kansas City, Z = Fremont, CA, etc).<br> |
| + | xxxxxx = last six digits of VIN of car that motor originally came in (original car's sequential production number).<br> | ||
The letter indicating factory must match the letter in the sixth position of the car's VIN (it should also, of course, match the factory indication on the body data plate - in other words, for a Lansing-built car, the sixth place in the VIN would be an "M", the body data plate should indicate "LAN", and the third place in the engine ID should also be an "M"). | The letter indicating factory must match the letter in the sixth position of the car's VIN (it should also, of course, match the factory indication on the body data plate - in other words, for a Lansing-built car, the sixth place in the VIN would be an "M", the body data plate should indicate "LAN", and the third place in the engine ID should also be an "M"). | ||
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