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well I would rebuild it myself to if I had the slightest clue on what the heck I was doing.:lmao: I was looking at rebuild kits and they come with brass sycros??? That don't sound right to me brass? I don't know much bout all this stuff so hopefully get some guidance here

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i think my 6speed came with brass. i do believe there are some new ones of a differant material. though i know about as much about the internals as you do.:shrug:

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brass is a lot more economical than the fancy stuff NV used OEM. They don't shift quite as nice but on the other hand you don't need to worry about fancy manual transmission fluid either.

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What did you end up doing with your trans?

As for gear oils, I researched this heavily, a few yrs ago, when I swapped my '96 47RE for a NV4500. I had to rebuild the trans shortly after that, and it wasn't hard at all. I'd never rebuilt a manual, prior to that.

Fluid-wise, you can use Royal Purple SynchroMesh and SynchroMax in the 4500/5600s. Let me check my notes and I'll let you all know which goes in what trans.

----EDIT----

Dodge Trucks NV4500, 1994 & newer (GL-4: 75W85) Posted ImageMax-Gear 75W90

Dodge Trucks NV1500, NV3500 & NV5600, 1994 & newer (MS9224 / PN04874464) Posted ImageSynchromax

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From Royal Purple's tech sppt : For your 2001 Dodge Ram 2500 Cummins we recommend the following:Transfer Case: Royal Purple Synchromax (part #01512, quart bottle); 5.2 quarts;(w/241HD w/ power take off)Front Differential: Royal Purple Max Gear 75W-90 (part #01300, quart bottle); 4.25 quarts;Rear Differential: Royal Purple Max Gear 75W-90 (part #01300, quart bottle); 5.05 quarts;Power Steering: Royal Purple Max EZ (part #01326, 12-oz bottle); Sent from my rooted EVO's tiny keyboard with my opposable thumbs...

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