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Old 05-05-2014, 07:41 AM   #1
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Question on air bag suspension

I am towing about #6700 loaded with my 97 F150 4.6. Now I know this is not a mountain climber, but it does quite well on where we go right now. In the future, I will upgrade the TV for longer, better trips.

Now the question. When hooked up, the truck is nice and level. The TT pulls well and easily. The problem is on the highway and running into "washboard" sections of road. The TT will porpoise a bit. This is not a "white knuckle" event, just irritating and it gets the DW a bit of stomach upset. She needs dramamine for the patio swing. And I hope she doesn't see this part.....

Would an air bag system stop this effect? Before I go and invest in this, I just need some other opinions. I can do the install myself, and the firestone system comes ready to go with no drilling.
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Old 05-05-2014, 04:11 PM   #2
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I had the same thing. I installed a Firestone air bag system which did help. I now have Rancho RS9000XL shocks that I think will be the finishing touch on evening the ride out. I would recommend you start with the shocks- which you can adjust and make stiffer for towing and see what you think.
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Old 05-05-2014, 04:22 PM   #3
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Originally Posted by mlangdn View Post
I am towing about #6700 loaded with my 97 F150 4.6. Now I know this is not a mountain climber, but it does quite well on where we go right now. In the future, I will upgrade the TV for longer, better trips.

Now the question. When hooked up, the truck is nice and level. The TT pulls well and easily. The problem is on the highway and running into "washboard" sections of road. The TT will porpoise a bit. This is not a "white knuckle" event, just irritating and it gets the DW a bit of stomach upset. She needs dramamine for the patio swing. And I hope she doesn't see this part.....

Would an air bag system stop this effect? Before I go and invest in this, I just need some other opinions. I can do the install myself, and the firestone system comes ready to go with no drilling.
Air bags will help and putting shocks on the trailer will finish the job. The trailer is the root cause of the problem. Smooth out the trailer ride and it will in turn smooth out the TV ride. Sure did on mine.
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Old 05-05-2014, 09:27 PM   #4
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Son-of-a-gun - I just searched for installing shocks on an RV. Never even occurred to me. Thanks guys! More research to do.....
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