Powerflex wishbone and beam bushes vs PMS bearings

[scullyg40]

I've done a search, but couldn't find the answers I'm looking for.
Has anyone got experience with both? Is there a real world difference that it's actually worth it to choose on off them? How about reliability? How do the Whiteline rear beam bushes compare to these?
It's for a track only car.

@Kev@KAM ?

 

[Kev@KAM]

I'm not a fan of using spherical bearings on road cars simply for maintenance sake. They dont like dirt.
For a track car you still need to think about dirt after wet events or if you drive on the green circuit round the edge of the grey one...

 

[Kev@KAM]

As for Powerflex vs Whiteline. Not really had issues with either of their beam bushes! Whiteline tend to be a little cheaper though.

 

[scullyg40]

Your first reply is exactly what I'm thinking. My car is stored dry, but a trackday can be wet or partially wet, and I don't want to be cleaning under the car after every event.