Re: Re: Use Motor Oil in NV3500?

From: Michael Carr (michael.carr@sabre.com)
Date: Thu Aug 09 2001 - 11:20:36 EDT


It seems all gear lubes contain sulfur. Apparently the ones we need to avoid
contain "reactive sulfur." For those who have changed NV3500 MTL, does it
have that funny gear lube smell?

Paul Bumann wrote:

> does the amsoil gear lube contain sulfur?
> ~ Paul
> 98 Dak, RC,Deep Amethyst
> V8/5 Speed/ 3.91 Suregrip
> ----- Original Message -----
> From: "Michael Carr" <michael.carr@sabre.com>
> To: <dakota-truck@buffnet.net>
> Sent: Wednesday, August 08, 2001 1:13 PM
> Subject: DML: Use Motor Oil in NV3500?
>
> > Because a) nothing is too good for my truck, and b) somewhere out there
> > is a product better than the one they used at the factory, I have begun
> > a quest to find the best manual transmission lube for my truck.
> >
> > Here's what I learned so far:
> > 1) Viscosity ratings of motor oils and gear lubes are not the same (40W
> > motor oil is equivalent to 90W gear lube.)
> > 2) DC requirements a lube that meets is specification MS-9224. DC part
> > number 4874464.
> > 3) Finding a low sulfur content lube is important because the brass
> > innerds of the NV3500 will be corroded by sulfur.
> > 4) Sulfur is added in some degree to all gear lubes (giving it that
> > unique smell) to provide critical lubrication properties.
> > 5) Some DMLers use Redline MTL; some MT-90; some a mixture of each. At
> > least one DMLer uses Amsoil Gear Lube. Regardless, each contains
> > sulfur. How much I don't know.
> >
> > Being a fan of Amsoil, I asked an Amsoil Tech to recommend a lube that
> > contains little or no sulfur. What he said floored me: "There is no
> > sulfur in AMSOIL Crankcase Lubricants. Use 5W30 or 0W30, the AMSOIL
> > Series 2000, 0W30 would be best. Note: The 0w30 in place of the 5w30
> > (Chrysler part # 4874464) may improve the stiff shifting problem that
> > the Getrag G360 transmission has had when shifting from second gear to
> > third gear." (I have asked AMSOIL to see in writing a product that meets
> > MS-9224, but have not yet received a response.)
> >
> > On a Dodge Turbo Diesel forum, there was a reference to using of Amsoil
> > 5W30 in NV5600 transmissions with good results. My questions to you
> > all are: What do you think? Can a motor oil protect the transmission
> > as well as the gear lube can? (I know Ford uses ATF in their PSD 6speed
> > gear boxes, so..) Have you or anyone you know used motor oil in a manual
> > transmission? The result? Does anyone want to be the first to try it
> > here?
> >
> >
> >
> >



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