Howdy, I replaced pretty much every bush in my RA28 with Poly-Urathane. All the old rubber bushes were totally shagged. At the time I didn't give it a lot of thought, and just got Noltec to supply all new Poly bushes.
But i've also heard some rumors that rubber can be superiour, mainly in regards to how long it lasts and needs less servicing.
The car felt much better with the new poly-urathane bushes though.
Cheers
Joel
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