Don't use anything but GL-4 in a Gen I transfer case! This has been batted around and I have read through all of the threads on this...

For Gen I users, here is a great gear oil for front diff, transfer case and rear open diffs. It is for services GL-3, GL-4, GL-5.

<img src="http://pics.montypics.com/pmontero/2003-02-21/napago_1-032041.jpg" alt=" - " />

If you have an LSD rear diff, use this combo. One additive bottle first and fill it the rest of the way with gear oil.

<img src="http://pics.montypics.com/pmontero/2003-02-21/napago_2.jpg" alt=" - " />

If you don't ride your horse in the creek often, you might want to go with synthetic oil. Here is what I would put in front and rear open diffs.

<img src="http://pics.montypics.com/pmontero/2003-02-21/napago_4.jpg" alt=" - " />

Here is what I would put in rear LSD diff.

<img src="http://pics.montypics.com/pmontero/2003-02-21/napago_3.jpg" alt=" - " />

Here is what I would put in the transfer case.

<img src="http://pics.montypics.com/pmontero/2003-02-21/napago_5.jpg" alt=" - " />

If you like to get your Monty wet a lot, don't go with the synthetics... you'll be blowing a wad if you do since you should replace these fluids and tranny fluid after any deep fording. You should also grease, grease, GREASE the zerks as well.

If you have a wad to blow, you should be buying a Don's bumper, Don's *NEW* ezfit rocker skids and a safari snorkel!! <img border="0" title="" alt="[Big Grin]" src="images/icons/grin.gif" />

Powell

P.S. - I love NAPA!