Thread: mystery 350
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01-23-2005 09:11 AM #1
mystery 350
Can anyone tell me what kinda 350 I have?
I was given a 350 from a friend, he said he thought it was out of a 70's blazer?? I took the oil pan off, and discovered its a 4 bolt main block, yay!! the only numbers I can find are around the cam hole in the front. top right, 512. top left, 010. bottom right G32, bottom left, 776 and 509. it has a .010. 9 on the side, and a 40 over where the fuel pump goes. The head serial number is 3888338. does that make any sense??
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01-23-2005 09:30 AM #2
This link might help. MorTecMike Casella
www.1960Belair.com
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01-23-2005 09:36 AM #3
Well, you know it's a four bolt Chevy. Now go to the belhousing area, on the drivers side, on the belhousing part of the block, there will be a CAST in number, usually seven digits. Go to Mortec and it will list the approximate years the block was used.
338 heads were used from 71-76.Last edited by BOBCRMAN@aol.; 01-23-2005 at 09:40 AM.
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01-23-2005 10:09 AM #4
Are 338 heads any good as far as hi performance?
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01-23-2005 11:57 AM #5
Just average heads. MOST, if not all, are for the old leaded gas and need hard seats installed. You would be better off with aftermkt heads.
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