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10-26-2013, 01:39 PM
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Registered User
 
Join Date: Aug 2013
Location: Grand Island, NE
Posts: 1,483
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Help Identify SBC Chevy Engine block 327
Hey guys I need some insight into an engine block. Block casting number 3858174. Engine code F0505YM. Date stamp is E46. All my research says the YM suffix is only for a 327 used in 67 K10 to 25 and 68 C20 to 35. The 1966 date stamp is throwing me off a little bit. Is it possible the block was cast in May of 66 and then not used until the 67 production year? I'm hoping this will be right for my 1967 GMC K15 build. Any info would be greatly appreciated!
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1949 Chevy 3100 Five Window 1964 Chevy C10 Lambrecht Auction project 1967 Chevy SWB K10 1967 GMC K15 Project Build thread- http://67-72chevytrucks.com/vboard/s...72#post6502772 1968 Chevy Anniversary K10 1991 K5 4" Lift 35's (the wife's toy) |
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