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Ford Explorer Community - Maintenance - Modifications - Performance Upgrades - Problem Solving - Off-Road - Street
Explorer Forum Covers the Explorer ST, Explorer Sport, Explorer Sport Trac, Lincoln Aviator, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Ford Aerostar
Polyurethane sway bar bushings deflect (read: smoosh)
less than rubber ones, so using them results is less body roll when cornering or other manuevers which cause the sway bar to come into play. Polyurethane also is resistant to gasoline and other solvents which would soften up rubber. Your Explorer comes with rubber bushings because they are a) cheap and b) provide better initial shock absorption resulting in a smoother initial ride. Polyurethane lasts longer though..much, much longer.
Ride quality in an Explorer should be unaffected with polyurethane sway bar bushings other than the cornering and handling since the sway bars are "loose" to allow some flex in the suspension. Ride quality can be affected by using polyurethane in the control arms or other moving parts of the actual suspension. Reports however, show the people who dislike the ride quality with polyurethane are probably better off driving the Lincoln Navigator or a Towncar.
The sway bar is sometimes used as the the control arm in smaller compact cars, but not larger trucks and SUVs.
Originally posted by Gimp I got Energy Suspension poly sway bar bushings for my stock sway bars quite some time back. suspension (unequal length A-arms), you might notice a difference in the normal ride.