From a truck, or station wagon, or high performance. Sometimes you can't get a block with 4 bolt mains so a way to make a 2 bolt main block even stronger than a typical 4 bolt block is to use a "main support". Good motor to build a hot rod around. Started to disassemble it for the rebuild and found it was a 2 bolt. TO, is truck only. I just picked up a SBC 3970010 4-bolt block. I just pulled this SBC from a 34 Vicky and this is the number on the back of the block. 3970010 What I can determine is a 2 or 4 bolt main How else Chevrolet- passenger cars V8 cylinder; ID CID Liter YEAR Vin Cyl APPLICATION BLOCK CASTING CRANK CASTING HEAD CASTING; 1: I just picked up a 350 chevy motor with the casting # 3970010. 3970010 What I can determine is a 2 or 4 bolt main How else The date code is G 117 which indicates it was manufactured on July 11, 1977. chevy 350 identification: bassfi ... > 3970010 - 69-72 2 or 4 bolt main used on chevy 350 identification Showing 1-3 of 3 messages. It's used on 69' 302 Z/28 4 bolt main 327 truck and industrial 350 from 1969 - 1980 The block can be either 2 or 4 bolt main. The date code is G 117 which indicates it I just picked up a 350 chevy motor with the casting # 3970010. Probably what you have. It is a 350, from the 70's, or early 80's, and probably a 4 bolt main. The largest resource for Corvette news, rumors, and discussion. Heavy duty. 1977 C3 Corvette Ultimate Guide. I have a 350 4 bolt main block with casting number 3970010. can you tell me the year and the vehicle it originally came - Answered by a verified Chevy Mechanic I just picked up a SBC 3970010 4-bolt block. I just pulled this SBC from a 34 Vicky and this is the number on the back of the block. On a pad, just in front of the drivers side cylinder head, there will be a number, beginning with a couple of letters. 460778.....305...78-79...2 or 4, some Canadian assembled heavy duty truck blocks have 4-bolt main caps Started to disassemble it for the rebuild and found it was a 2 bolt. 3970010 What I can determine is a 2 or 4 bolt main How else I just pulled this SBC from a 34 Vicky and this is the number on the back of the block. 350 block (3970010) 2 or 4 bolt main? History, Production Stats & Facts, Engine Specs, VIN Numbers, Colors & Options, Performance & Much More, we cover it all. ... 3970010 SBC Casting Number Question. ... 3970010 SBC Casting Number Question.
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