Mike,
Disc runout can be caused by uneven mating surfaces. The first time I
pressed new studs into a hub, I didn't do it right and generated some
high spots on the hub. I realize the BJ8 is bolted together, but
something to check if you're taking it apart.
Cheers,
Bob Haskell
AHCA 3000 Mk I registrar
http://www.ciahc.org/registry_3000mk1.php
On 08/21/2013 10:30 PM, Mike Garvey wrote:
>
> My tentative diagnosis is that it is the disk pads that get "pulsed" once
> every time the wheel rotates and the fit of the pads is loose enough that
> they "click". The clicking stops when I apply the brakes. Suspecting that
> perhaps the disk was the root cause (since the rolling resistance varies a
> bit as I rotate the wheel by hand), I measured the run-out of the (outside)
> surface of the disk; it measures 0.005 inches, peak-to-peak. The BMC manual
> says that run-out should not exceed 0.004 inches. It's not easy to measure
> the disk thickness, so I've not done that yet.
>
>
> Thanks in advance, Mike
>
>
>
> Michael Garvey
>
> 1967 BJ8/38046
>
> Swampscott, MA
_______________________________________________
Archive: http://www.team.net/archive
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
|