shimming main bearings

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Posted by Dave on Tuesday, February 06, 2001 at 0:48AM :

When i dropped the pan on my 56 C3PW to clean out the sludge,i checked the main and rod bearings.Using good old Plastigage,the rods were at .0015-.0020 and the mains at .0030 to .0035. I am satisfied with the rod bearing clearance,but not with the mains.Now for the $250.00 question.I am not ready to overhaul this motor yet,as it runs well and is otherwise sound.(compression,oil pressure ,oil and water tight)I have heard old timers (older than my truck) talk of shimming the main bearings with shim stock.Good idea? Bad idea? Reasonable temporary bandaid? Comments?
Dave

Follow Ups:

Re: shimming main bearings - paul 11:19PM 02/06/2001

Re: shimming main bearings - Vaughn 9:31PM 02/06/2001

Re: shimming main bearings - Ken Sterrett 9:23AM 02/06/2001

Outdated concept - Brian in Oregon 2:30AM 02/06/2001

Re: Outdated concept - john s 8:14PM 02/06/2001

Re: Outdated concept - randii 4:18PM 02/06/2001

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