My 2010 Has A Jumpy Ride
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Senior User
Joined: Oct 2006
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From: Florida
My 2010 Has A Jumpy Ride
Traded in my 2007 KR Screw 4x4 for a new 2010 KR Screw 4x4. I thought the ride in my 2007 was better. The 2010 has a jumpy ride when I drive around town. It makes my wife car sick. I thought about putting some weight in the bed to see if it evens out. Any suggestions or comments about the ride of your truck.
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From: Florida
This is a brand new truck with 20" Pirelli's, which are the same tires as my 2007 KR. I think it has more to do with suspension issues, but I am no mechanic. Other then that it is a beautiful truck with all the bells and whistles.
Cargo Master
Joined: Sep 2005
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From: Montana
the pirellis are crap... search this forum and you will see a lot of complaints... Also, the 20" rims really limit the amount of sidewall that can absorb bumps... Why anyone wants big wheels on a truck is beyond me... Just bigger targets for rocks off road and they hinder ride quality. I'd be willing to bet this IS your problem.
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It is true that when you go to 20 inch rims, you loose a lot of cushion by reduced sidewalls. The sidewalls is where all the flex is being done in a radial tire.
On original equipment, they offer 17, 18, 20 inch rims. The overall diameter of all these tires is close to the same. So all you are doing by going from 17 to 20 is replacing soft flexible rubber with rigid aluminum.
On original equipment, they offer 17, 18, 20 inch rims. The overall diameter of all these tires is close to the same. So all you are doing by going from 17 to 20 is replacing soft flexible rubber with rigid aluminum.
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Joined: Mar 2008
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From: Vermont
It is true that when you go to 20 inch rims, you loose a lot of cushion by reduced sidewalls. The sidewalls is where all the flex is being done in a radial tire.
On original equipment, they offer 17, 18, 20 inch rims. The overall diameter of all these tires is close to the same. So all you are doing by going from 17 to 20 is replacing soft flexible rubber with rigid aluminum.
On original equipment, they offer 17, 18, 20 inch rims. The overall diameter of all these tires is close to the same. So all you are doing by going from 17 to 20 is replacing soft flexible rubber with rigid aluminum.
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Yes, He did, I was just explaining that there is a tradeoff to ride quality when you go to the 20s. They look great, but they don't offer the cushion that a taller sidewall tire will.
I think that Ford stiffined the frame on this truck a good bit with the 09 body change. That might be part of it, and also, could there have been stiffer springs on the new one? Maybe a higher load capacity, which would create a need for stiffer springs?
I think that Ford stiffined the frame on this truck a good bit with the 09 body change. That might be part of it, and also, could there have been stiffer springs on the new one? Maybe a higher load capacity, which would create a need for stiffer springs?
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