I would use GL5 oil.
The diffs are very stressed during racing, GL4 might come to its limits.
Chris
-----Urspr|ngliche Nachricht-----
Von: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] Im
Auftrag von Tony Drews
Gesendet: Sonntag, 29. Mdrz 2009 18:21
An: BOB KRAMER
Cc: fot@autox.team.net
Betreff: Re: [Fot] TR Diffs
I use Redline gear lube (75w90, I think) in my non-triumph rear axle
with a detroit locker. It hasn't caused problems. My understanding
is that the lockers aren't very particular about the type of oil,
unlike our transmissions.
- Tony Drews
At 10:23 AM 3/29/2009, BOB KRAMER wrote:
>Does anyone know what synthetic lubricants work well in a TR Detroit
>Locker? I've been using GL4 rather than take any chances.
>
>Bob Kramer, Austin Texas
>rkramer3@austin.rr.com
>----- Original Message ----- From: "Randall" <tr3driver@ca.rr.com>
>Cc: <fot@autox.team.net>
>Sent: Saturday, March 28, 2009 3:49 PM
>Subject: Re: [Fot] TR Diffs
>
>
>>>All differentials take a lot of power. More even than the
>>>transmission. Spiral gears (long tooth contact) 90 degree
>>>direction conversion, planetary or LSD. It all sucks power.
>>>Absent a significant design difference they'll be roughly the same.
>>
>>I agree. Two things possibly worth noting :
>>
>>1) the power wasted is roughly proportional to the power transmitted, so
TRs
>>will presumably lose a lot less absolute power than Hot Rod measured. IOW
>>if they measured 25 hp lost behind a 500 hp V8; a TR with 100 hp might
only
>>lose 5 hp in the diff.
>>
>>2) A higher performance lubricant may help save some of that power. Hot
Rod
>>also found something like 7% more power at the wheels by converting
engine,
>>trans, diff to full synthetic.
>>
>>I don't have weights either, but the TR3-4 unit seems darn heavy to me.
The
>>smaller Ford might not be that much worse.
>>
>>Randall
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