I use Redline MT 90 (I think), which has not resulted in any leaks.
Simon
On Fri, Jan 18, 2019 at 5:42 PM Lawrence Swift via Mgs
<mgs@autox.team.net> wrote:
>
> I used synthetic which resulted in enormous leaks; went back to 30 wt ND -
> now no problems.
>
> On Jan 18, 2019, at 12:51 PM, Barrie Robinson via Mgs <mgs@autox.team.net>
> wrote:
>
> Hello folks
>
> I know not if his helps but in matters of transmissions I would use
> synthetic. I had a new Maserati Biturbo and when cold had a very sticky 2nd
> gear and "running it in" was not my idea of fun. Dealer said Alfa Romeo had
> had success with synthetic as they also had a sticky 2nd. So synthetic went
> in - HUGE success - never had tough 2nd gear again.
> <Barrie' signature for emails.jpg>
>
>
>
> On 1/17/2019 6:41 PM, Max Heim via Mgs wrote:
>
> Are you sure it isn't the gear oil?
>
> The factory has always called for engine oil. There has been a lot of
> ridiculous debate over precisely what grade of engine oil (personally, I
> donâ??t think it matters, but letâ??s not start that), but there is certainly
> a large difference in viscosity between say 20W50, and 85W90. The overdrive,
> unlike the rest of the transmission, uses oil in a hydraulic function, not
> just as splash lubrication, so viscosity is probably very important.
>
> --
> Max Heim
> mvheim@sonic.net
>
>
>
> On Jan 17, 2019, at 11:13 AM, Jack Wheeler via Mgs <mgs@autox.team.net> wrote:
>
> Does anyone have a good exploded diagram of the overdrive unit used in a 1971
> MGB, that you could send to me? I am particularly interested in the pump
> assembly. I changed the oil in my gearbox this week, using EP 85/90 GL-4
> gear oil, as recommended in a recent article in the MG Driver magazine.
>
> While the car was up in the air, I noticed a leak around the plug which holds
> the pump assembly in place. So, I removed the pump, careful to keep all the
> pieces in the order in which they came out. I cleaned everything up, and
> reinstalled the pump assembly and plug (part number 466-315 in the Moss
> catalog), with a new gasket. I thought I had all of the pieces of the pump
> assembly (items 62-66 in the Moss diagram) in the right order when I
> reinstalled it, but when I took the car out for a test drive, the overdrive
> would not engage.
>
> In addition to trying to keep the pieces in the order in which they came out,
> I also used the exploded diagram in the Moss catalog (Page 41) as a guide.
> The Moss diagram, however, is different than my overdrive unit. Moss says
> their diagram is for cars from 1968 to 1980, but apparently, some things were
> changed during that time frame. I can't believe the engineers would let
> anything go unchanged for 12 years! It looks like the plunger (Moss part
> number 466-305) shown in the Moss catalog diagram has a roller on the end of
> it. My plunger does not have a roller on the end of it. Maybe this will
> give you a lead to which diagram I am looking for.
>
> So, that leaves me looking for a good exploded diagram of the unit used in a
> 1971 model. Can anyone help with that, or does anyone have any suggestions
> as to what I might have done to make the overdrive not work, when it has
> always worked fine. Thanks.
>
> Jack Wheeler
> _______________________________________________
>
> Mgs@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/mgs
>
> Unsubscribe: http://autox.team.net/mailman/options/mgs/mvheim@sonic.net
>
>
>
> _______________________________________________
>
> Mgs@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/mgs
>
> Unsubscribe: http://autox.team.net/mailman/options/mgs/barrob@bell.net
>
>
> _______________________________________________
>
> Mgs@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/mgs
>
> Unsubscribe:
> http://autox.team.net/mailman/options/mgs/lawrence.swift@gmail.com
>
>
> _______________________________________________
>
> Mgs@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
>
> Archive: http://www.team.net/pipermail/mgs
>
> Unsubscribe:
> http://autox.team.net/mailman/options/mgs/simon.d.matthews@gmail.com
_______________________________________________
Mgs@autox.team.net
Donate: http://www.team.net/donate.html
Suggested annual donation $12.75
Archive: http://www.team.net/pipermail/mgs
Unsubscribe: http://autox.team.net/mailman/options/mgs/mharc@autox.team.net
|