Originally Posted by
tabetha
On at least 15 sierra/cossies I have driven with poly arm bushes, I have yet to see any issue, and use these here myself, but it's up to each personal choice.
tabetha
A simple question here should suffice for you to see what we mean.
The part in question is under very heavy load and subject to considerable forces as you know. Do you think a poly bush of any form could ever be as accurate at aligning a rotating part under such loads as a spherical bearing?