Chevrolet Small Block V 8 Motor

ENGINE CASTING NUMBER LOCATION

The casting number is located on the driver's side, top rear of the engine block. The number on the front passenger side of the engine block will NOT tell you the displacement of the engine block.

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I used a lumber crayon to highlight my casting number. I still got it wrong the first time. I also have a 3 inch body lift which makes seeing the number easier. Your view of the number will vary, but this is where it is located. Chances are it is buried under grease and grime. Once cleaned, if you cannot see it, you can use "silly putty" or something similar to make an impression of it, then use a mirror to read the number.

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This is by no means a complete list. These are some of the more common numbers. E mail me your V8 casting number if it is not in this list and I will see if I can find it for you.

 

Common Small Block V8 Casting Numbers

Casting Number cu. in. Years Notes
140029 350 1980 - 84 2 bolt main bearings
330817 400 1970 - 76 2 bolt main bearings, car & Truck
355909 262 1975 2 bolt main bearings
355909 305 1976 - 79 2 bolt main bearings
3970010 302 1969 Camaro Z/28 - 4 bolt main bearings
3970010 327 1969 2 bolt main bearings - trucks
3970010 350 1969 - 80 2 or 4 bolt main bearings
3970014 350 1970 - 76 2 or 4 bolt main bearings
3970020 307 1970 - 73 2 bolt main bearings
3970024 307 1969 - 73 2 bolt main bearings
4715111 305 1980 2 bolt main bearings
6259425 350 1969 - 76 2 bolt main bearings
14010201 305 1980 - 85 2 bolt main bearings
14010202 305 1980 - 85 2 bolt main bearings
14010203 305 1980 - 85 2 bolt main bearings
14010207 350 1980 - 85 2 or 4 bolt main bearings
14010209 350 1980 - 85 2 or 4 bolt main bearings
14010280 267 1979 - 82 2 bolt main bearings
14011064 350 1983 4 bolt main bearings
14011148 350 1987 - 89 Roller Camshaft, 1 piece rear main seal
14016376 267 1979 - 82 2 bolt main bearings
14016379 350 1977 - 79 2 or 4 bolt main bearings
14016381 305 1980 - 84 2 bolt main bearings
14016382 305 1979 - 84 2 bolt main bearings
14016383 305 1980 - 85 2 bolt main bearings, Truck
14079287 350 1986 - 90 Truck
14101147 305 1985 - ? 2 bolt main bearings

Contrary to popular belief, all trucks did not come with 4 bolt main bearings from 1973 - 1987.

 

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