Steve built my racing j type and the shifting is great both in and out. Has
mtl oil.
On May 13, 2013 4:31 PM, "Steve Yott" <tr4@wi.rr.com> wrote:
> Staylube GL4 and many of the other 90 weight gear oils work just fine in
> our
> gearboxes. The one main reason that I always recommend Redline MT90 is
> that
> in testing of oils this particular product and also their MTL product
> produced far less foaming. I use a plexi cover on the gearbox during
> break-in and testing of all the gearbox rebuilds that I perform. Some of
> the oil products produced scary amounts of foam when warmed up and running
> at full speed. Keep in mind that 90 gear oil is the same viscosity as 30
> weight engine oil hence the recommendation over time of using engine oil.
> At the cost of rebuilding a gearbox as with an engine I feel that the costs
> of the best quality oils are the best value.
>
> As far as replacing overdrive cone clutches I replace most but not all
> clutches during rebuilds. I find on many clutch surfaces that they have
> been burned and glazed from either poor quality or dirty oil and also from
> not having enough engagement pressure to work with the amount of torque
> being produced by the engine. Most of these clutches are over 40 years old
> and are not that expensive to replace. For race style overdrives I use
> clutches with thicker linings and machine these in thickness to the
> particular overdrive to ensure total disengagement but also keep them very
> close so that a minimum amount of movement is required for engagement.
> This
> results in the fastest possible engagement, critical to speed!
>
> Steve Yott
>
> -----Original Message-----
> From: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] On
> Behalf Of Larry Young
> Sent: Monday, May 13, 2013 5:46 PM
> To: fot@autox.team.net
> Subject: Re: [Fot] trans fluif
>
> I agree. I don't use anything exotic, just use Staylube GL4. It's
> available locally and avoids the "yellow metal scare" associated with GL5.
>
> I believe Quantum usually replaces the brake linings. I don't normally
> find
> that necessary and have not seen a spec for when it should be done. I am
> aware of a couple of quantum rebuilds that did not want to release from
> overdrive unless you smacked the housing with a hammer.
> Redline oil seems to help until they get broken in. Ed Barnard is the guy
> with the experience on this. Maybe he will weigh in.
> Larry
>
> On 5/13/2013 11:07 AM, Randall wrote:
> >> See the second article, from June 2005.
> >>
> >> http://www.quantumechanics.com/qm-htm/topic1.htm
> > Then consider how absurd it is to claim that Triumph delivered cars
> > with oil that would damage them instantly. 90 weight GL4 was the
> > factory fill from about 1960 to the end of the TR6 run.
> >
> > -- Randall
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