Polyurethane bushings vs rubber
08-08-2010, 10:06 AM
#1
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Year: 1995
Model: Cherokee
Engine: 4.0
Polyurethane bushings vs rubber
Have you replaced your front end bushings with Poly? Is your ride/steering harsh? Does it rattle your teeth?
Bushing Comparisons.
Characteristic
Vibration Dampening
Oxidation Resistance
Petrochemical Resistance*
Temperature Rating**
Heat Aging Resistance
Tensile Strength
Weather Resistance
Bushing Comparisons.
Characteristic
Ultra-Flex
Rubber
Rubber
Classic
Polyurethane
Polyurethane
Vibration Dampening
Excellent
Fair
Oxidation Resistance
Good
Excellent
Petrochemical Resistance*
Fair
Excellent
Temperature Rating**
-60 to 185 (F)
-30 to 185 (F)
Heat Aging Resistance
Fair
Very Good
Tensile Strength
Excellent
Excellent
Weather Resistance
Fair
Excellent
08-08-2010, 01:38 PM
#2
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Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
You will get more harshness and road feel with poly, but the steering will be more responsive. You may get some noise too.
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