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PedroR

Polyurethane Bushings

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anybody running these bushings, i put them on my 96 rd with 52k rears and now the truck seems to jump more then it ever did before i think im going back to the mack ones

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Well I run them on the lower blocks but use the plain black rubber on the top. They are definitely stiffer but they will outlast the black ones by a substantial margin. Its up to you though. For the price difference and the fact they are already in there.

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thats the way i did it on my truck, the top ones last a long time so i used the black ones, but got talked into getting the polyurethane ones on the bottom, they were way more money,and the axles dont move at all, but im not happy, so i think im going to change them, i went to the yard this morning and after washing the truck i was looking at the bushing boxes i think there the same size has the 58k rears, i wounder if the 58k rear bushings are better than the 52k?

Does anybody know if they are the same?

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