I've done this modification to the front hubs of my TR4. You use longer
bolts that attach the rotors to the hubs. Tap the hub flange and run these
4 longer attaching bolts through the tapped holes. You don't do anything to
the wheel studs.
My machine shop guy agrees that this will strengthen the hub flange.
I first saw this modification in the late 80s when Mike Jackson broke a hub
at Watkins Glen. He borrowed a hub from Bill Collum that had this
modification. Collum has long ago sold the white TR4 that he raced.
Bruce Stutzman
----- Original Message -----
From: "Hugh Barber" <tr6nut@sbcglobal.net>
To: "Fot" <fot@autox.team.net>
Sent: Saturday, January 10, 2004 7:31 PM
Subject: TR front hub mods
> In Kas Kastners Triumph Preparation Handbook, he writes, There have been
> several manners of modifying the stock hubs to make them safer and these
> modifications work as far as I know. The modification: longer studs that
> capture both the front and back of the hubs so that they cannot break
> apart. Has anyone ever seen or performed this mod? I am looking at a
stock
> TR6 hub and I can see how maybe the brake rotor attachment bolt could be
> modified so that you would use longer bolts and thread them into the front
> side of the hub, but I cannot for the life of me see how the wheel studs
> could be made to fasten to the rear side of the hub.
>
>
>
> Hugh Barber
>
> Hollister, CA
>
> 73 TR6
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