Thread: Gear oil
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Old 02-22-2020, 09:49 AM   #7
Purdy Swoft
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Join Date: May 2010
Location: Alabama
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Default Re: Gear oil

They say that the W stands for winter . I've been told that the so called 600 W gear oil that is sold by the model A parts vendors is made up from a mixture of 140W and STP . A person can mix and make their own gear oil . I have used 90 W with no problem if I didn't have any 600W and it shifted just fine .
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