View Full Version : Gear oil Q
Brayten#4
04-14-2015, 03:01 PM
How much gear oil should be put in a 9 in rear end. Also what weight, syn or non. 2008 shaw Midwest Modified. Thanks
72Dubya
04-14-2015, 04:49 PM
Around 1 gallon should do. Redline Heavy Shockproof is about the best there is for a 9".
save the racers
04-14-2015, 07:43 PM
We got better gear life out of 140 weights from tractor supply than the syn 90 weights.
dereksehi
04-14-2015, 09:13 PM
85w140 Valvoline with not one issue. I have always used 5 qts in my floater without inner tube seals and never had an issue.
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