Who is running upper SPHERICAL CONTROL ARM bushings on a 94-08 Mustang. I had a set of Polyurethane ones on the car and they are now shot!!! I have to replace them.

Any comments? Let me know the likes and dislikes. Recomend or not. I do a lot of daily driving and hit the 1/4 mile every now and again. Some turns involved but nothing like autocross.

I am considering the SPHERICAL, but hear they are squeaky and bring road vibration into the car. Trying to keep a smooth ride without the squeaks.

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I have a set of Polyurethane spring isolators and they drive me insane. They crack and moan the whole way down the road. I have tried to spray them down with lethius grease and that helped for a few days and the squeaks returned again. (i'm looking to take them off and replace them with the stock rubber ones unless anyone else came across a trick that works to shut them the hell up). lol

Appreciate any feedback on either question:

Thanks,
Jaime