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Re: [GMCnet] Oil galley plug [message #237301 is a reply to message #237261] Fri, 24 January 2014 15:45 Go to previous messageGo to previous message
pyolet is currently offline  pyolet   United States
Messages: 78
Registered: August 2006
Location: Helena, MT
Karma:
Member
Case solved and closed. Thanks to all for the input. Turns out I missed a paragraph when reading up on engine work in my 1975-1976 GMC maintenance manual. On page 6A-58 it clearly defines that the hole should be there and JM was right on when he said, "if it's a 3/8 pipe plug then you will burn up the cam and burn up the distributor gear....guaranteed!" The video below is about to go off the free list, so view it and save it b4 the mad' men take it.
http://www.powerblocktv.com/episodes/HP2009-06/building-an-olds-455

I pulled the cup plug, took out the threaded plug, and drilled a .04" hole, cleaned the oil galley bore, and reassembled it. One less worry. Now just praying the builder got the cam bearing oil hole aligned among other things. Shoulda built it myself I guess. Next time. Aloha, Woody.
 
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