[Mg-t] Gearbox oil

[Scott Allen]

I use Castrol or Valvoline 80w90.  I tried to use Red Line, but both times,
when I had occasion to remove the gearbox the clutch was covered in fluid.

So, until they come up with a modern mainshaft seal that synthetic can't
migrate past I'm sticking to old-fashioned dinosaur juice.

~Scott Allen
'52 MGTD


On Tue, Nov 5, 2013 at 9:45 AM, <wbeech at flash.net> wrote:

> Depends....
>
> A. If you re-built the gearbox during this project, I would run it for 200
> miles and change it, just like the motor.
> B. If this is old oil, many years, then I would go ahead and change it now,
> after a short warm up.
> C. If you don't know the history of the gearbox and lube in it at all, then
> change it now and call it "good".
>
> Good questions that beg one more.  What is the recommendation of The List
> on
> what lube to use for a TD gearbox?  Moss catalog seems to be selling every
> fluid, oil and lube there is with the exception of gearbox lube.
>
> Personally, I would recommend Red Line MT90 (NFI), what does everyone else
> use?
>
> All the best,
> Bill
>
>
> -----Original Message-----
> From: mg-t-bounces at autox.team.net [mailto:mg-t-bounces at autox.team.net] On
> Behalf Of Rick Lindsay
> Sent: Tuesday, November 05, 2013 7:15 AM
> To: mgs at autox.team.net; mg-t at autox.team.net
> Subject: [Mg-t] Gearbox oil
>
> Hello Friends,
>
> I write this morning requesting advice.
>
> I'm not far from starting the TD for the first time. My concern is for the
> gearbox oil. Should I,
>
> 1. Change the oil now and call it 'good'?
>
> 2. Change the oil now then change again after running a bit?
>
> 3. Leave the old, clean-looking oil in place, for now?
>
> 4. Idle the box in neutral until warm, using the old oil to 'clean' the
> insides, then change?
>
> 5. Some other plan?
>
> I'm a gearbox novice. Advice appreciated.B
>
> -rick
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