Michael,
The TR6 owner's manual specifies the use of GL-4. GL-5 is said to corrode
bronze (I think copper alloys in general) parts used in TR6 transmissions.
I made this list of GL-4 oils based on the suggestions of fellow listers:
Pennzoil Gearplus
NAPA Staylube (may have a pump with the bottle)
Sears CRC Sta-lube
Someone also said that The Roadster Factory has GL-4 oil available.
Gary
'73
----- Original Message -----
From: <SamuelsMA@aol.com>
To: <6pack@autox.team.net>
Sent: Monday, June 09, 2003 6:54 PM
Subject: trans oil
> Listers:
>
> I think I tuned into the tranmission oil thread a little late. I gather
that there is some problem with filling the transmission with oil meeting
GL-5 specs? When I went to top off my transmission, it took quite a bit of
oil. I had purchased typical modern gear oil from the auto parts store
which is labeled "meets GL-3, GL-4, and GL-5 specs." Do I need to drain it
and start over? No big deal, but what is the problem with modern gear oil
in my trans?
>
> Thanks.
>
> Michael Samuels
> '70 TR6 PI CP 51797 LP
> Miami Beach, FL
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