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Re: Wheel bearings

To: fot@Autox.Team.Net
Subject: Re: Wheel bearings
From: Richard Taylor <n196x@mindspring.com>
Date: Tue, 02 May 2000 07:22:37 -0400
>Return-Path: <grand_wazoo@flinet.com>
>Date: Tue, 02 May 2000 06:58:04 -0400
>From: Mike Jackson <grand_wazoo@flinet.com>
>X-Accept-Language: en
>To: Richard Taylor <n196x@mindspring.com>,
>       Friends of Triumph <fot@autox.team.net>
>Subject: Re: Wheel bearings
>
>very scarry, aint it?
>
>I'm shocked that it was the right front as it is the left front that takes
most
>of the racing load on nearly every track we race at.  Anyhoo, I second the
>remove and inspect advice but it takes even more than that as we have found
>that eventually the front hubs get worn enough to allow the races to
wobble and
>move in them, then they start tearing up stuff in a hurry.  Must inspect very
>carefully for signs of such a thing.  When it starts to happen, locate
some new
>hubs and start all over again.
>
>We've found that modern tires are very tough on the front end.  Expect to
>replace the bearings a lot more often than with a street car.
>
>Get the left off and check it very carefully.  And I'd worry about secondary
>damage to the right stub axle, check that sucker and the hub as well.
>
>As for the brake drag, we took the valve Kas mentioned off the car years ago
>and trained my right leg to do an automatic double pump when going for the
>brakes.  The whole mess flexes enough in turns to push the pads back a fair
>ways.  Turns out legs learn pretty well, and then they are subborn.  Cant get
>it to not do it when driving other cars.  Oh well, stays in practice that
way.
>
>Drag also comes from the felt seal used on the back side of the hub.
>
>and finally, shame on you for comparing some of Britain's finest with that
>kraut stuff. :)
>
>Hope to see you this summer.  You making Mid-Ohio again this year?
>
>mike
>
>Richard Taylor wrote:
>
>> Fellow FOTers,
>> On the fifth lap in the HSR Enduro yesterday at Road Atlanta, I had my
>> right front wheel-bearing blow out.  No whining, no growling, no wobble,
>> just PUUSHH!  The tire went catywompus; billowed huge amounts of smoke
>> until it blew.  Then there was just the lumpy excursion off into 50 yards
>> of freshly mowed grass.  Since it was so early into the race, I had an
>> exclusive (but rather lonely) spectator spot.
>>
>> Alan Pinel lent me his spare wheel bearing kit so I got to run the Vintage
>> Race that afternoon..and did OK.
>>
>> This brings me to the question.  What is the accepted drill for checking
>> wheel bearings?  I wiggled the tires before the qualifying race and they
>> seemed fine.  Does just tugging at the top of the tire really tell you
>> anything?
>>
>> But even after I got the whole wheel back together, there seems to be an
>> awful lot of drag.  The wheels on my everyday car, a 30 year old 911, spin
>> effortlessly.  For the life of me I can't get the TR-4 wheels to do this.
>> Especially the front ones. The 911 has a spring deally at the top of the
>> brake pads to keep them from dragging.  The Triumph pads seem to take a
>> much longer time to release completely. What's the preferred drill on this?
>>
>> I'm sorta embarrassed to ask this august group about something as
>> elementary as wheel bearings but, hey, we're family, aren't we?
>>
>> Richard Taylor
>> Atlanta
>> TR-4
>
>


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