Gear Oil Specs - Moparchat

73PWRWGN · #1 06-20-2009, 06:54 PM

I have that 73 w100 that I'm still freshening up but cant find the recomended oil specs for a 8 3/4 limited slip axel. And while were at it np205 and front dana 44 specs would be awsome.

Hope all you dads are having a nice fathers day weekend.

My kids wont let me work or play with anything

DJM · #2 06-20-2009, 07:10 PM

Run a good quality 80/90 gear lube on each end and in teh sure grip use a sure grip additive available at NAPA & other parts stores.

cudabob496 · #3 06-21-2009, 06:23 AM

I use synthetic 70 - 90 wt. Got it from Summit!! I have synthetics in the engine, tranny, and rear end. Good for an extra 25+ hp at the rear wheels!

peg leg · #4 06-21-2009, 10:13 AM

Takes the same oil as the rear. Put synthetic tranny fluid in the transfer case.

73PWRWGN · #5 06-28-2009, 09:46 AM

Quote:

Originally Posted by peg leg

Takes the same oil as the rear. Put synthetic tranny fluid in the transfer case.

the tc is cast steel

peg leg · #6 06-28-2009, 10:04 AM

The 203 full time takes 30 wt, I believe. Your 205, if it is steel, might well be a candidate for 30 wt. also. Better check a service manual.

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