Paul Coffman wrote:
>
> Hello,
>
> I've had a very bad shake in my GT6 at about 65mph and up since I restored
> it in '92. The suspension has been rebuilt except for front and rear
> springs. I've replaced the rotors and had the wheels balance numerous times
> (they're the fake minilites vicky brit sells). I had a friend take it to a
> shop that spin balances the tires on the car. They said the tires had flat
> spots and we're defective, I believe they only checked the fronts. They're
> kelly 185 70 13's. That all took place years ago. I finally bought new
> tires today, same brand so I could get something back for tha "bad" tires.
> But it didn't help a thing, still have that bad vibration. The steering
> wheel shakes violently, even with new bushings and you can feel the
> vibration from the back end as well. It doesn't seem to be confined to the
> front or rear. Should I try to have the propellor shaft balanced or does
> anybody have any ideas what I should try next?
>
> Thanks in advance,
> Paul
My 70 Spitfire had an out of balance drive shaft the produced a moderate
vibration at coasting. I think it would have to be visibly damaged for
it to get to the "violent stage". Have you checked the U-joints and the
steering rack?
Good luck
Jack Albano
70 Spitfire - 99% restored
69 GT-6 - 99% dead
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