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What motor do you have the casting is 3970010 and numbers on front right are c71183775 and the one below is ko629txd?
3970010 can be a 350 two or four bolt block.
What are the specs on casting GM Engine No 3970010?
GM engine block # 3970010 was used as early as 1968 on some 327ci engines. From 1969-1979 it was a 350ci engine. It could be a 2 or 4 bolt block used in cars, trucks and even corvettes. You can also find these blocks with a "MEXICO" stamp on them near the block ID. It has been said that these are high nickle content blocks and may be stronger than others.
What does gm 29 3970010 mean on block?
The block and just about all parts have a "casting number" on them. Your block #3970010 was used by GM from 1969 through 1980 in anything from a 1/2 ton pickup, to the HOT Z-28's. It could be either a 2 bolt or a 4 bolt design. What that means is that the crankshaft is held in the engine block by main bearing caps that are designed with either 2 bolts or 4 bolts. The 2 bolt is good for non-high performance, less than 6,000 RPM's. The 4 bolt design, spreads the rotational stess over a much wider area within the block is used for over 6,000 RPM's. Hope this helps.
Is 8999289 a 4 bolt or 2 bolt?
If the number 8999289 is a casting number inside a bell the first number is a 3. Then the block that is in question would be a 4 bolt block with 4 main caps.
What year is a 350 Chevy engine with casting no 3970010 and 13w221249?
That engine could be anywhere from a 1969 to 1972 350. Some of them were 4-bolt mains and some were just a 2-bolt main engine.
You are trying to ID a Chevy block you know it is a 4.0 bore 4-bolt main casting 3970010 and stamped CN0204221 you believe it was manufactured in 1970 not sure what vehicle it came in?
Chevy block with casting #3970010 is not a 4-bolt main block---1968--327 cid/250hp A body car---1969-79-350 cid/185hp--car , truck , vette.
Can you put a Pontiac 400 block number 481988 in an 89 camaro rs and how would that be done?
No such engine as a Pontiac 400 Big Block. The back of the Pontiac engine block has a different bell-housing bolt pattern than the Chevrolet. Pontiac and Olds bell-housing bolt pattern match. Chevrolet and Buick match. Unless you have a dual bolt pattern transmission (GM did make them) the Pontiac engine won't bolt up to the the Chevrolet transmission.
Stock Chevy 350 horsepower casting number 3970010?
That is the number of the block. It was used to build 302, 327, and 350 engines in 2 or 4 bolt main from 1969-1980. There is a machined pad on the passenger side of the block just in front of the cylinder head that should have a combination of letters and numbers that can provide information about the horsepower and application. Write down the numbers and look it up at this website: http://www.nastyz28.com/chevy-engine-code-stampings.php
Can you tell if a engine is a 2 bolt or 4 bolt main by the block number?
quick answer is NO, 2 and 4 bolt main engines both had the same casting numbers. you have to pull the oil pan to be 100% sure.
What size Chevy engine has casting number 3999289?
Chevrolet 454 C.I Big Block 1973-79 2 Bolt Main
What is 6 bolt main 350?
It is a small block Chevy 350 engine with 6 bolt main caps.
Will a 1967 Pontiac 400 engine block bolt in a 1968 gto?
Yes. It will bolt right in with 1968 motor mounts.
