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Old 03-30-2007   #8
"Firehawk" GTA owner
Join Date: Oct 2001
Location: Brooklyn, NYC
Posts: 1,656

Re: Bad vibration when down shifting

How much is your car lowered? Mine is lowerd about an inch from stock using the Eibach Pro Kit. Crouch behind your car and look at the rear wheels. Does one side stick out more than the other? Or are they in the wheelwell at the same depth?

I got the adjustable one to center my rear end as well as the lower control arm relocation brackets. I just wanted the correct geometry for my rear suspension. If you have the stock panhard bar on a lowered car, it could make a significant difference in the rear suspension geometry. Not to mention that it's a weak piece and bends readily under load.

Also, how many miles are on your car and when did you buy it? I could've sworn I saw a red 91 GTA with the SLP Package that was lowered for sale on

I installed my panhard bar with the car parked on a New York City Street on jackstands with traffic passing by every minute.

1991 Trans Am GTA... Hopefully again

Last edited by Fred91GTA; 03-30-2007 at 12:25 AM.
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