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Can someone help me identify this engin block I am assuming it's not original it doesn't have a 3rd belt in the front. Top of engine bay # in front of block
The small pad further identifies it as a 77 truck engine. 76 and earlier small blocks have a longer pad, almost as wide as the head. The 4bbl truck 350 was basically the same engine as the 73-80 Corvette's base L-48 350.
This is back code didnt find anything in green book! I will try and try agin to fiuger this out!
What’s to figure out? It’s a truck motor from 1977, rated at 160-165 hp, originally installed with a 4 bbl and automatic transmission. What else do you want to know?
3970010 is one of the most common and longest running GM small blocks......it went from 1969 to 1979 in anything from trucks to Vette's and Camaro's.....
Can be 2 or 4 bolt main but most were 4 bolt.......