40mph and bouncy!
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Mountain Pass
Joined: Apr 2022
Posts: 138
Likes: 11
40mph and bouncy!
Just replaced the shocks on my 1974 F250. Not sure if it has any correlation but once I hit 40mph, the ride gets very bouncy / bumpy . Obviously I should check tire balance first, but what else should I look at / test ?
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,226
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From: S/W Missouri, Polk county
Did it do the same thing BEFORE you replace the shocks? Is that why you replaced the shocks?
Did you get the correct shocks for your application, cheapest Amazon shocks are not always the best.
Did you throw a tire weight, did you break a cord in a tire? Any sidewall bulge?
Swap the front tires (as in the rims and tires) for the rear (rims and tires) and take it for a test drive, same road, same speed, same reaction?
Insp the tires very well, maybe you have a bad one (internally)? Insp rims for new damage.
Did you change or remove anything that was in the bed?
Did you get the correct shocks for your application, cheapest Amazon shocks are not always the best.
Did you throw a tire weight, did you break a cord in a tire? Any sidewall bulge?
Swap the front tires (as in the rims and tires) for the rear (rims and tires) and take it for a test drive, same road, same speed, same reaction?
Insp the tires very well, maybe you have a bad one (internally)? Insp rims for new damage.
Did you change or remove anything that was in the bed?
Thread Starter
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Mountain Pass
Joined: Apr 2022
Posts: 138
Likes: 11
It did not bounce prior to shocks, or at least not like this. I replaced the shocks because of a clunking sound in the front right when going over bumps, thinking that was the issue. Plus the shocks were ancient. I purchased these shocks,
which had great reviews across the board on a variety of sites. Hopefully they are what was needed. I do not notice any issues with tires and nothing new in the bed. I think the first step will be to take the tires in for balancing and see what the professionals find. Thanks for your help my friend !
Lead Driver
Joined: Oct 2018
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The shocks may not be doing a good job of dampening a bounce but they will not cause a bounce. and the chances you got shocks that are all totally useless out of the box is remote.
So by bounce do you mean rough ride ? shocks will cause that. but they won't cause you to start bouncing .
So by bounce do you mean rough ride ? shocks will cause that. but they won't cause you to start bouncing .
Hotshot
Joined: Feb 2004
Posts: 10,819
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From: The Shenandoah Valley
That clunk in the right front ... did you find the source?
What or who lead you to think it was needing shocks?
What or who lead you to think it was needing shocks?
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Mountain Pass
Joined: Apr 2022
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By bounce I mean rapid bouncing. Hard to explain but when I hit exactly 40mph it starts bouncing.
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Thread Starter
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Mountain Pass
Joined: Apr 2022
Posts: 138
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I have not found the source yet. The truck had sat for many many years and the shocks were rusted and corroded. Thus, I replaced them along with all the fluids, radiator, water pump, etc etc just to get her running.
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