02-15-2018, 05:26 AM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,483
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Sounds like a center oiler. Is there a cast in galley tunnel running along the driver side of the block front to rear? That's the side oiler passage way. The pipe plug Rockbit mentions is probably to block the front of that gun drilled passage. Getting the casting numbers off of the block will also tell. Possibly an industrial engine block didn't get screw in freeze plugs.
It also could be a 390/428 block drilled for side bolt caps/spacers - but the 4.25 inch bore would seem to point to a 427 block. It would take a .120 overbore to get a 428 block that big which is unlikely.
Don't think there is such a thing as a high rise block, although there were certain blocks used to assemble factory high rise engines.
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