[Fot] Does anyone know of an additive that improves a TR6 tranny's smoothness of operation?

[BOB KRAMER]

I too have had success with just straight GL-4. It is hard to find these 
days. I get mine at Car Quest.
Bob Kramer
rkramer3 at austin.rr.com
----- Original Message ----- 
From: "William G Rosenbach" <wgrosenbach at juno.com>
To: <fot at autox.team.net>
Sent: Sunday, March 23, 2008 2:34 PM
Subject: Re: [Fot] Does anyone know of an additive that improves a TR6 
tranny's smoothness of operation?


> The folks at 3R Racing, in cars they prep for vintage racing will use
> Redline MT-90 (GL-4) in gearboxes that are about to be due for rebuild. I
> used it in a Renault transaxle and it greatly improved shifting, both up
> and down. With mineral base, multi vis GL-5, the hotter it got, the worse
> the shifting got very quickly. Redline was not as much effected by temp.
> The synthetic did not like to stay in the gearbox, however.
> Changing to a straight weight, GL-4 mineral base oil was a huge
> improvement over the GL-5, almost as good as the Redline, though not
> quite as good hot, and it stayed in the box.
> I conclude the most important thing was a GL-4 oil.
> Bill
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