
01-21-2016, 01:26 PM
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CC Member
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Join Date: Mar 1999
Location: Dubuque,
IA
Cobra Make, Engine:
Posts: 24
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Not Ranked
Quote:
Originally Posted by patrickt
There have been reports of NOS service blocks with no casting dates by the oil filter adapter, like this thread: 332-428 Ford FE Engine Forum: 427 cross bolt main spacers -- I have never seen one with my own eyes, but I have seen a good number of "goofy, and I didn't know those even existed" blocks that it wouldn't surprise me in the least.
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From what I understand, the casting month and year should be next to the oil adapter. If there is no casting number the block is said to be a service block. What is a service block?
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Richard
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