My BJ8 gearbox shifted smoother when I switched to MT90 from 20W-50. I wasn't
expecting any change in shifting--I was
hoping the O/D would activate a little quicker--so there's at least a little
objectivity to my observation. Oh yeah,
the O/D does activate a bit quicker, esp. when hot.
Lots of people have made the switch from engine oil to MTL or MT90, and the
only complaint I've heard is the gearbox/OD
leaks more. MTL and MT90 are both formulated for manual gearboxes; seems like
something else is at play here.
Bob
On 4/19/2011 10:35 PM, PG wrote:
> Ok..for those of us who have been on this list for more than a couple of
> years, we all know that trany oil has been beaten to death...
>
>
>
> However, here's an observation..I recently switched from 30wt non-detergent
> oil to Redline MTL and what I found surprised me...
>
>
>
> I found that my gearbox ground going into both second and third both in
> upshifting and downshifting.it's like the syncros can't grip. Keep in mind
> that I rebuilt the transmission last year.
>
>
>
> I'm wondering if the MTL is too thin an oil for the transmission.. I'm
> thinking of switching to MTL 90
>
>
>
> Thoughts??
>
>
>
> Paul
>
>
--
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Bob Spidell San Jose, CA bspidell at comcast.net
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