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Re: [GMCnet] Oil galley plug [message #237385 is a reply to message #237374] Fri, 24 January 2014 23:06 Go to previous messageGo to previous message
emerystora is currently offline  emerystora   United States
Messages: 4442
Registered: January 2004
Karma:
Senior Member
The factory drilled the plug. It is shown in the GMC Maintenance Manual.

Dick Paterson has said in his engine rebuilding seminars that some people use the wrong plug, one without a hole, and the distributor gear won't get enough oil. It has nothing to do with the RPM of the engine or the volume of the oil pump.

Emery Stora

On Jan 24, 2014, at 9:17 PM, Bill Dolinsky <Wildbillnick@yahoo.com> wrote:

>
>
> Coming from no olds experience I am just thinking there should be enough oil sloshing around if the engine runs out of oil at 6000 rpm. However if you have a surplus volume yes I wouldn't have a problem drilling a plug to oil a distributor gear. It just like I picked up ac couple continental O-470 aircraft engines for my next airboat. Big oil pump, these things can run with .008 main clearance so I drilled the case for piston squirters to reduce potential for detonation. New bearings went in and Newer cases have them I found out. Second engine I bored the case for 520 jugs and isn't together yet but prioritys change. I don't see IMO a burning issue if you don't drill it, I don't see a problem at all if you do drill the plug.
> --
> Bill Dolinsky
> Edmonton, Alberta, Canada
> 1977 Kingsley TZE167V102169
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