[OT] Synthetic Tranny Fluid

[md4etal]

Mobil 1 has worked in the GM 'R-astro mini van with the 4L60E trans for 92K
miles not problems.  OEM oil cooler in radiator.  Tows 4000 lbs to the track
about once a month.  Fluid almost always looks good except after winter.

Mike D.
----- Original Message -----
From: "Mike Turner/ENGR/HQ/KEMET/US" <MikeTurner at kemet.com>
To: <gmecm at diy-efi.org>
Sent: Tuesday, August 28, 2001 4:06 PM
Subject: [OT] Synthetic Tranny Fluid


>
> Is anyone using Mobil 1 Synthetic Automatic Transmission Fluid in their GM
> products, and, if so, any good or bad reports? Tow vehicles and 350+HP
> especially of interest. TIA.
>
> FWIW, one of my buddies using the Manual Synthetic fluid, went back to the
> non-synth because "it was too slick." He claimed he could not speed stick
> the 4 speed in his vette at the drag strip because there was too little
> friction to get the gears matching speeds, apparently leaving the trans in
> neutral with engine going you know where. Making no changes except to go
> back to the non-syn "cured" the problem. YMMV.
>
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