I emailed RedLine oil with this question and here's the reply:
"In the Dodge NV3500 transmission we recommend a blend of MTL and MT-90
about 50% of each."
I don't think you're suppose to use 75W-90 in the NV3500. My Haynes manual
says you have to get the tranny oil from the dealer. If you have a V6 I
think standard 75W-90 is OK. I put the recommended RedLine combo in my 3500
and it shifts great, here's their website if you want to check it out
http://www.redlineoil.com/index.htm
Ian
>Date: Mon, 10 Apr 2000 21:21:08 -0500
>From: Mike Schwall <mschwall@flash.net>
>Subject: DML: Manual Tranny Oil & WTB
>
>So what's the consensus on tranny oil for the Dak? I've never heard of a
>sulfur content problem until I bought Dodge. I'm around 8000 miles and
>plan to go all synthetic at 9000. Any specific synthetic oil or a Mopar
>"special blend"? I'm thinking about either Mobil 1 gear oil or Neo
>Synthetic 75W90.
>
>Also, I'm looking for 3.55:1 gears for a '99 Dak. Anyone got a set laying
>around that they want to get rid of? Email me off the list for the gears.
>
>Thanks
>
>Mike Schwall
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