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Oil Weights for Trans and Diff???

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Old 03-04-2007 | 10:51 AM
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RX8KRIS's Avatar
RX8KRIS
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From: Loveland, CO
Question Oil Weights for Trans and Diff???
What Oil weights are you all using for the Trans and the Diff? I'm going to be changing mine out here in a week or two with RP but I'm just trying to get an idea of what to use. Right now i'm going with MT-90 for the Trans and 75w90 for the Diff let me know if it should be anything different.
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Old 03-04-2007 | 10:59 AM
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RX8KRIS
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All right my bad it seems that RP dosn't have MT-90... so once again what should I use???
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Old 03-04-2007 | 06:19 PM
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From: Fredericksburg, VA
Originally Posted by RX8KRIS
All right my bad it seems that RP dosn't have MT-90... so once again what should I use???
If your choice is RP, then you use Max Gear 75W90 in both the trans and diff - need about 5 quarts total for both.
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Old 03-05-2007 | 02:09 AM
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I just did it today with 4 quarts. Actual usage was about 3.6. Manual specifies 3.2

Used RP Max-Gear 75w-90, as above. Good results.
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