Polybushes or OE rubber bushes
Discussion
Just stripped down my suspension on my Chimaera.
Was going to fit polybushes as car used as fast road/track car.
Opinion from tvr source is that OE rubber is the way to go, more forgiving, not much improvement for hardcore track and definitely better on the road.
Whats your opinion?
Haircutmike.
Was going to fit polybushes as car used as fast road/track car.
Opinion from tvr source is that OE rubber is the way to go, more forgiving, not much improvement for hardcore track and definitely better on the road.
Whats your opinion?
Haircutmike.
Depends how serious you are about track work and having ultimate handling.
Generally if you improve your handling by going lower / stiffer / harder you will increas the noise, vibration and harshness inside the car. IF you want to retain a civil ride and noise level go with the OEM kit but if you can put up with a slight loss of ride quality go with the aftermarket gear. If there is supposedly no difference between the 2 go with the cheaper one!!
Generally if you improve your handling by going lower / stiffer / harder you will increas the noise, vibration and harshness inside the car. IF you want to retain a civil ride and noise level go with the OEM kit but if you can put up with a slight loss of ride quality go with the aftermarket gear. If there is supposedly no difference between the 2 go with the cheaper one!!
I know your source for the OE v Poly info but i'd say he's wrong 
(sorry andy)
The OE rubber bushes have very little rubber, they're not forgiving, they shear and break, and whilst they're not sheared they add to the effective spring rate and decrease compliance levels.
the Poly bushes have next to no angular resistance, they add nothing to spring rates therefore are more compliant, they offer probably similar location properties to the OE bush if the OE bush is in perfect order (the OE bush is very stiff, the poly used in most aftermarket poly bushes has some "squidge" so I suspect location properties are roughly the same). The poly bushes maintain their properties over a MUCH longer time frame than the OE bushes too, lifetime of car possibly.
The labour element of bush changing is by far the biggest outlay (even if you do it yourself for free it'll still take a couple of weekends part time so your cost is lost leisure time) .. fit poly bushes, fit them once, revel in the better ride comfort and rest easy you won't be doing the same job all over again in 12000 miles
(sorry andy)The OE rubber bushes have very little rubber, they're not forgiving, they shear and break, and whilst they're not sheared they add to the effective spring rate and decrease compliance levels.
the Poly bushes have next to no angular resistance, they add nothing to spring rates therefore are more compliant, they offer probably similar location properties to the OE bush if the OE bush is in perfect order (the OE bush is very stiff, the poly used in most aftermarket poly bushes has some "squidge" so I suspect location properties are roughly the same). The poly bushes maintain their properties over a MUCH longer time frame than the OE bushes too, lifetime of car possibly.
The labour element of bush changing is by far the biggest outlay (even if you do it yourself for free it'll still take a couple of weekends part time so your cost is lost leisure time) .. fit poly bushes, fit them once, revel in the better ride comfort and rest easy you won't be doing the same job all over again in 12000 miles
Mike,
I agree largly with trackcar.
Standard bushes do deteriorate as do many OE bushes. This is a sportscar at the end of the day and if your old bushes are shot plus you want to improve the sharpness/handling of your car go polybush. The compromise in ride comfort, if any, will be worth the gain in handling. Plus you will never have to change then again.
I do Superflex and Powerflex. I would recomend the Superflex as they do a great range for your car.
http://www.superflex.co.uk/results.php?maker=49&am...
Superflex do lost of developement work with shore hardness, modify OE bush design and supply stainless steel inner sleeves with their bushes un like Powerflex.
By all means get in touch to discuss.
Eddy
I agree largly with trackcar.
Standard bushes do deteriorate as do many OE bushes. This is a sportscar at the end of the day and if your old bushes are shot plus you want to improve the sharpness/handling of your car go polybush. The compromise in ride comfort, if any, will be worth the gain in handling. Plus you will never have to change then again.
I do Superflex and Powerflex. I would recomend the Superflex as they do a great range for your car.
http://www.superflex.co.uk/results.php?maker=49&am...
Superflex do lost of developement work with shore hardness, modify OE bush design and supply stainless steel inner sleeves with their bushes un like Powerflex.
By all means get in touch to discuss.
Eddy
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