Tire was probably separating on the inside.
Mike MacLean
56 BN2
60 AN5
James Lea
> In the last few months I have developed a shimmy that starts at fifty MPH
> and gets worse as the speed increases. Several good mechanics have looked
> at
> it. One said the front end was out of line. One said the front tires were
> out of balance. I checked both front tires on my bubble balancer and they
> were both right on.
>
> Today I had a flat on the left rear. I put on the spare and the shimmy is
> GONE!! I inspected the tire and found it scalloped but only for twelve
> inches in one section near the edge of the tread.
>
> Weird! What would cause a rear tire to scallop like that and would that
> effect the entire car and cause the shimmy? Tomorrow I am going to put the
> flat rim on the car, jack up the rear end and see if the rim might be out
> of
> round or not running true. Cheers, JL
>
> James Lea
> PO Box 25
> Rockport Maine 04856
> 1-207-236-3632
>
> 1951 Triumph Renown
> 1952 MG TD
> 1952 Triumph Mayflower
> 1958 Rover P4
> 1962 Austin Healey BT7
> 1980 Commuta-car Electric
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