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Old 07-28-2010, 01:51 PM
kuk22 kuk22 is offline
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Excessive Bump Steer..

Hi guys just bought a 2007 Ex. 4WD, 36k Miles , 20" wheels
Ive noticed that I have a lot of bump steer over highway joints and small bumps. The tires are still original (Pirelli Scorpions) in the front and a set of brand new Scorpions n the back.

Anyone else have this problem on their 07+...?
The front tires still look like they have a good 10k + left on....
-Sam
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Old 07-28-2010, 02:15 PM
kennisonxgs kennisonxgs is offline
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Can't say I have that experience. I have Goodyear oem though.
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Old 07-28-2010, 03:09 PM
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gddyup gddyup is offline
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I had the 18s on the truck with the Pirellis and never noticed any bump steer. As soon as I moved up to a 20" aftermarket wheel with Cooper Zeon LTZs, I *did* notice some bumpsteer under certian conditions but it's never been severe. I only say it was noticeable due to it not behaving that way with the 18s on it.

I'm sure we'll here from some of the guys/gals who run the factory 20s and what their experiences are with it.
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Old 07-28-2010, 05:24 PM
kuk22 kuk22 is offline
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Ill probably end up replacing the front tires, but if its an inherent problem with the 20"s, Ill try to replace them in about a year...
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Old 07-28-2010, 06:46 PM
welfarewagon welfarewagon is offline
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Its because of the 20" wheels you have, I am running factory 22" wheels that are crazy wide and have bumpsteer issues but its all a part of the bigger wheels.
In the winter months I run a set of factory 18" wheels and the ride is a lot smoother and the bumpsteer is not there. You'll get use to it over time just part of riding with bigger wheels.
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Old 07-28-2010, 07:06 PM
kuk22 kuk22 is offline
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Thanks Welfare...
The bump steer isnt horrible or dangerous, but it concerns me especially if my wife (who doesnt like driving the Expy..too big) has to drive it...
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Old 07-28-2010, 07:06 PM
 
 
 
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