The simple answer is very hot, so hot that it is common to find the plastic
bag that holds the sound deadening in place melted on, (when used in a
Vitesse or GT6) The only thing that appears to be affected is the solenoid
and a certain number of these just stop working at high temperatures. I
would recommend using a part synthetic gear oil with a 75W/90 rating to GL5.
(Do not use a GL5 gear oil in the diff as it attacks the copper washers, GL4
only)
John Kipping
----- Original Message -----
From: "Peter Vucinic" <vucinic@b140.aone.net.au>
To: "FOT" <fot@autox.team.net>
Sent: Wednesday, January 15, 2003 11:50 PM
Subject: J Type Overdrive Operating Temperatures
> I am hoping that someone amongst us has some experience with J type
> overdrives? In particular, I am looking for a rough indication of what
kind of
> 'normal' operating temperatures you would expect from the overdrive unit
> itself?
>
> I have just rebuilt a gearbox and overdrive and have run it on my test
bench
> @1300 RPM output shaft speed. I am measuring approximately 50-to-55
Degrees
> Celsius (122-to-131 Fahrenheit) at the overdrive case. The temperature is
> relatively stable whether you have the overdrive engaged or disengaged.
>
> Does any one have previous experience? Thanks in advance.
>
> Kind Regards
> Peter Vucinic
> WORKS-4
> TR-4
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