From: James Stead (gadget@EasyPath.com)
Date: Mon Apr 14 2003 - 18:16:15 PDT
That's how I understand it too. GL-5 is an 'EP' (Extreme Pressure) lube. The
additives in it can be corrosive to brass like the syncronizers in my M35
tranny.
I had heard GL-3 was not an EP lube, but I can't confirm this. I'd rather
stick with GL-1 to be safe.
The local auto shops, Walmart, and the tractor supply don't carry it here,
but I didn't try SAMS, BJs, etc. That's where I'll be in the AM.
Thanks guys.
Jim
> At 8:39 PM -0400 4/14/03, Santoken wrote:
> >GL-1 is no more. It's GL-5 now. Here's how it works, you can use GL-2,
> >-3, -4, -5 in any place that requires GL-1. However, you can only use
> >GL-5 when GL-5 is required. Likewise, if GL3 is required, you can use
> >GL-3, -4, -5, but you cannot use GL-1 or GL-2. It's a supersession
> >thing. Or, rather a reformulation thing. You can use that GL# or
> >above, but not below what is required.
>
> As I understand it, bronze bearing issues is a question with any of
> the HP spec GL-5 gear oils. The active sulfer anti-friction additives
> can cause problems for the yellow metals.
>
>
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