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Old 02-11-2010, 03:45 PM   #17 (permalink)
Sharif@Forged
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Quote:
Originally Posted by Mike View Post
Redline 75w90 now, it was stock.
For the heavy track use guys, you might try using a 75/140 weight synthetic gear oil. It holds up better to shearing and extreme heat as would be experienced inside that diff.
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