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Re: Spitfire Wheel Bearings<334BBB94.3D60@erols.com>

To: Nolan Penney <npenney@erols.com>
Subject: Re: Spitfire Wheel Bearings<334BBB94.3D60@erols.com>
From: RICHARD.JACKSON@NENE.AC.UK
Date: Wed, 09 Apr 1997 15:35:32 +0000 (GMT)
Cc: triumphs@Autox.Team.Net, RICHARD.JACKSON@NENE.AC.UK
>Love these strange cars and their even stranger specs.

>Went to do my wheel bearings.  Ladeda, done this job a zillion times over
>the years, but not on a Spitfire.  Decided I'd check to see what the
>torque specs were, just to do them factory right.  Lo and behold, the
>manuals (both Bentley and Haynes) tell me to set them to rattle!  Say
>what!?  Loose wheels track like hell, and your handling suffers
>horrificly for this.

>I've never seen a wheel torque spec that called for leaving the nut lose
>hoping the cotter pin never fails, and having the bearings rattling
>around.  Cripes, the specs on a Toyota truck call for 5 lbs hanging on a
>wheel stud to be barely able to rotate the hub!

>The bearings aren't special in any case, I can go get Timkin bearings and
>put them in there if I want.  (both Spitfire and Toyota truck)  But I've
>never seen a wheel bearing spec as loose as what is being called for
>here.  I thought old Ford specs of finger tight were strange, but preset
>rattle, shesh!

>So, do any of you folk run yours this loose?  Or do you do the more
>generic tighten them until there is no play, and then tighten to the
>nearest pin hole alignment and set the cotter pin in place?  That's the
>way mine are right now.

I tighten mine until the wheel starts to bind lightly, then back off to the
nearest hole, no problem yet!!! Wouldn't wanna run the bearing too tight and
have it get hot and seize, see that before!! 

Rich

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