Quote:
Originally Posted by Walt Fricke
... Polybronze ... bushings are an improvement in every way over the hard polyurethane bushings, but those have always been a track modification. I can't see that they will measurably improve overall ride quality (which involves comfort as an important component) over something which largely replicates stock.
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My testing shows that the polybronze bushings will improve the feel of your
sports car, with little or no detriment to ride quality. I cited my thread above.
I didn't read the OP as being only interested in ride quality. If that was my only interest, I'd put on new rubber bushings, but....
if ride quality was my only interest I would not own an old 911.
No matter what - if the car is 20, 25 or more years old, then the original suspension bushings should be replaced.