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Re: Open diff

To: WEmery7451@aol.com
Subject: Re: Open diff
From: Jeff & Terrie Senty <TJSenty@eishome.com>
Date: Sun, 11 Feb 2001 16:54:31 -0600
    So.....did the rest of the day go ok??

WEmery7451@aol.com wrote:

> In a message dated 2/10/01 10:43:27 PM Pacific Standard Time,
> drewst03@home.com writes:
>
> <<
>  > When I drove Theo Loevenovich's TR-3 in some west coast vintage events, in
>  > the early 90s, when it had an open diff, there was a BIG problem with
>  > wheelspin out of any 2'nd gear corners.  I t required a very gentle driving
>  > style.  The Detroit Locker that it usually ran  made it around 2 seconds a
>  > lap quicker at Sears Point than I could do with the open diff.
>  > >>
>
> Maybe I am becoming a little slow in the head with my advanced age, but I now
> assume that an open diff is the stock TR-3/TR-4 differential, which is not
> locked up.  In the late 60's/early 70's, locking these units was not allowed.
>  I can remember doing many spinouts, and taking trips into the boondocks
> going backwards.
>
> Most of the Triumph drivers at that time were locking up their differential
> and saying that they were using the expensive positraction unit.  I bought a
> rear axle assembly with this unit from someone who rolled his TR-3 end over
> end.  Later, drivers convinced me that the locked up rear end is still better
> than the positraction setup.
>
> I still have this positraction unit today minus the center floating slug,
> which was sawed in half and welded into the center of my first locked up
> differential.  This axle assembly turned out to be from a TR-2.  As a result,
> the axle end play clearance could not be set.  Trying to make a Mid-Ohio race
> with some of my friends, I must have just thrown the unit together and never
> checked anything.  My first experience was that the car wouldn't handle worth
> anything, resulting in a violent spin under the bridge.  The next experience
> was that all of the gear oil was being spread on the track.
>
> For some reason, I had hauled along another junk yard greasy axle assembly in
> my 1956 Ford wagon tow vehicle.  This unit was installed for the next day,
> along with plenty of help from others.  By that time, all my arm and leg
> muscles were cramping up, like those of Dr. Stranglove.
>
> I better quit boring people with this soap opera.

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