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Old 06-30-2014, 11:15 AM   #6
WhippinSaw
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Join Date: Aug 2012
Location: Lisle Illinois
Posts: 602
Re: Manual Gear Box Grease

napa sells sta-lube "gl-4" gear oil, I think thats what the service manual calls for, just to be safe. I saw somewhere that GL-5 attacks yellow parts. They also might make a synthetic oil that would work.
Good luck
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