Need Help To Identify Chevy SB

Gregkz

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Sep 22, 2015
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Car
Camaro SS
Hello members
I am new to the forum and I need some help to identify SMB Chevy.
The decks on the block have been milled,however the numbers I do have are as follows:
Drivers side casting on the back of the block is: 3970010
Passenger side casting date appears to be: K 29 6
Under the fuel pump there is a casting # 39
On the left side of the engine block in front of the oil filter housing there are casting numbers upside down from top to bottom:
115
010
WR
What I can tell is this is a 350 with a build date of November 29, 1976
Thanks for your help if you have any information.
Gregkz
 
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phil holstead

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Oct 3, 2016
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010 is 1% more tin 2% more nickel in the iron harder block that's good 3970010 just a good old block
 

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