Lozer Posted March 24, 2018 Report Share Posted March 24, 2018 Hi Guy's So Im about to pull the rear subframe on my dime and rebuild everything. Im on the fence between poly and rubber for trailing arm bushings. I might go mono ball if i think its worth the 400 they cost. (unlikely) I use the car for autoX and street. I'm not worried about noise or vibration Share your experiences. Quote Link to comment
datzenmike Posted March 24, 2018 Report Share Posted March 24, 2018 If this was a full on race car that gets regular inspection and maintenance I'd say knock yourself out with the poly. If on the street at all, there is no advantage and go with rubber..... and it outlasts poly. 2 Quote Link to comment
Dolomite Posted March 24, 2018 Report Share Posted March 24, 2018 Hi Guy's So Im about to pull the rear subframe on my dime and rebuild everything. Im on the fence between poly and rubber for trailing arm bushings. I might go mono ball if i think its worth the 400 they cost. (unlikely) I use the car for autoX and street. I'm not worried about noise or vibration Share your experiences. I’ve had poly in the entire front for years, never had any issues. I do have the conical tc bushings so there’s no binding. I have all poly for the rear, but haven’t gotten around to it yet, I’ll be watching for answers too. 1 Quote Link to comment
thisismatt Posted March 24, 2018 Report Share Posted March 24, 2018 Stock rear crossmember and trailing arms? If you modify the crossmember for adjustability, then you will want to stick with softer rubber or go with something that articulates...not poly. 1 Quote Link to comment
Lozer Posted March 25, 2018 Author Report Share Posted March 25, 2018 Thanks for reminding me. The crossmember is already slotted. Quote Link to comment
Duke Posted March 26, 2018 Report Share Posted March 26, 2018 I noticed an increase in cornering stability and predictability at the limit when I went from rubber bushings to spherical bearings. With the rubber bushings and the large amount of rear toe in that I run the bushings would deflect so much that my tires would rub when in reverse. I notices little to no difference in ride or NVH...but my car is loud, as you already know. 1 Quote Link to comment
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