Bump and Dart
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Junior User
Joined: Oct 2008
Posts: 60
Likes: 0
From: London
Bump and Dart
I have an fx4 and if I hit a good bump it sends the truck all over the road and if it is on a bend it almost wants to bounce you sideways. Has anyone else found this? Is it because of the stiff suspension? Thx in advance for replies
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Junior User
Joined: Oct 2008
Posts: 60
Likes: 0
From: London
it feels like the whole truck wants to move infact today it put me in the other lane, glad no one was beside me. That's why I did this post, I didn't know if the shocks would have anything to do with it
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Laughing Gas
Joined: Jul 2012
Posts: 1,210
Likes: 20
From: prince george, bc canada
Sounds like bump steer? Is your truck stock height or does it have a leveling kit? A cheap leveling kit that hasn't got drop brackets can cause this.
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Cargo Master
Joined: Aug 2015
Posts: 2,400
Likes: 15
It sounds like your tires have too much pressure for the weight they are carrying. I suggest that you look at the weight charts for your tires and run no more than 15 PSI higher than needed for your load. For an empty F350 SRW 6.7, I suspect it's around 65 front and 60 back. If you have 80 in the back, I'd expect a wild ride when empty. My stiffer F450 does not act like you describe at all.
Posting Guru
Joined: Nov 2010
Posts: 2,027
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From: 46th State
Most of the time those characteristics are a factor of driving too fast for the road conditions. It's take a lot of work and money to make a truck handle washboard road surfaces and some other rough road conditions. A Baja truck can do it because they have mucho $$$$ in the suspensions.
Thread Starter
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Junior User
Joined: Oct 2008
Posts: 60
Likes: 0
From: London
Most of the time those characteristics are a factor of driving too fast for the road conditions. It's take a lot of work and money to make a truck handle washboard road surfaces and some other rough road conditions. A Baja truck can do it because they have mucho $$$$ in the suspensions.
