Quote:
Originally Posted by hatzie
The MM7 is the 4x4 version.
The MY6 is the 2WD unit you just bought
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It's pretty much the same aluminum case NP A833 Dodge used in the Ram trucks with a GM input shaft and output spline count.
Make sure the countershaft plug seals properly and the countershaft isn't rotating in the case.. And don't use gear oil in it...
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Thank you, but what do you mean "don't use gear oil in it" than what should I use and why?