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TR4/4A Tr4a new anti sway bar, maybe almost perfect!

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R

Rrbbeerrttoo

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Will appreciate opinions for the following condition, car vibrates at high speed now.

I recently installed the Adcco sway bar, with some modifications to the bumper brackets where it fits. The car now handles sharp turns beautifully, so perfectly level that I want to credit myself for the improvement (-: :smile: . However I now feel "steering wheel vibration" around 60 mph, not much below . At 70 is ok!.
Question: Could a wheel misalignment less than perfect cause this condition? The car was recently realigned and rechecked at a second shop where the technician mentioned it was almost perfect if I drove at not too high speed..he was guessing but I think he was being honest.

Could the alignment be the cause? the sway bar? No, did not vibrate before installing the sway bar. Thanks for any comments.

Robert
66' tr4a irs
CTC 53788 L
 
My guess, either a wheel/hub out of balance, or a tire with a stiff spot (damaged carcass). Probably was wobbling before, unnoticed. Now with the sway bar, the motion is more noticeable. Try rotating the tires front to back and see what difference it makes.
 
Disconnect one end of the bar and see if that eliminates the problem.
 
Are you running wire wheels? Not easy to balance and even if in balance they can cause vibrations at higher speeds. I chased the same issue on my 4A until I switched to Panasports. Vibrations are gone now.
 
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