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Old 03-31-2015, 07:05 PM   #11
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Where's the water tank. Forward , center or rear of axel?
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Old 03-31-2015, 09:55 PM   #12
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Do you experience "bounce" all the time or just certain times? The only time I have noticeable bounce is on worn concrete roads (or concrete roads that were asphalted over) at the expansion joints. On multi-lane roads, it can be especially prevalent in the rightmost lane. If you can move into the left lane, sometimes it will either go away or become less noticeable.
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Old 03-31-2015, 10:37 PM   #13
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I'm not understanding "tongue low" being good. I rolled a TT in 1998 on the I 75 & learned everything & then some about trailer pulling after that. Tongue below level leads to instability. The manual the came with trailers use to have the picture of the wrong way to pull it nose down as well.
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Old 04-01-2015, 06:11 AM   #14
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My comment said "a little tongue-low is OK, but never tongue-high." I said that because it is nearly impossible to get your trailer perfectly level. With hitch shank adjustments being made in 1" increments, one position might be a little too high and the position below a little too low. Given those two choices, choose the one a little low. That doesn't mean to intentionally set up your rig tongue-low, but opt for that if you can't get it perfectly level.
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Old 04-01-2015, 06:27 AM   #15
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Originally Posted by FPM III View Post
Do you experience "bounce" all the time or just certain times? The only time I have noticeable bounce is on worn concrete roads (or concrete roads that were asphalted over) at the expansion joints. On multi-lane roads, it can be especially prevalent in the rightmost lane. If you can move into the left lane, sometimes it will either go away or become less noticeable.
Must be PA thing I got on some concrete north of 80 /81 split on 81. I had to hold my stomach I was bouncing so much. Finally slowed down to about 40 with flashers and then had to deal with semi's blowing me around. I wondered if there was any way to put shocks on the trailer to help that.
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Old 04-01-2015, 07:24 AM   #16
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Some of our roads are terrible ! Seems like the concrete roads are built with smaller sections probably cheaper to repair but also easier for the big trucks to damage. I have a f350 dually with air bags and a mor-ride pin box and still get that occasional road ! My question is do you get the bounce on all roads or just some ? If all I am sure their are things that you can do to help .
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Old 04-01-2015, 07:50 AM   #17
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I also experienced porpoising or bounce when we pulled our TT with a 1500. The bounce seemed worse where the asphalt road transitioned to concrete at overpasses. I never addressed the issue, just held the steering wheel in a death grip. I suspect the softer suspension of the 1500 that gives it a nice ride (compared to a 2500 or 3500) is an attributing factor. I'd check into CamperBob's suggestions.
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Old 04-01-2015, 10:19 AM   #18
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Have you actually measured and weighed your setup?
You should start out by measuring the front fender height unhitched. After hitching up you want to return the front fender height to it's original height or as close as possible. forget about the rear.


Now go weigh your setup. You want to make sure you have 10-15% for tongue weight. 12+% is preferable.


Also if you're loading a lot of weight into the trucks bed then you might think about air bags. I used them along with a WD on our 1st TT and it rode like a Caddy.


The proper way to use bags and WD is to 1st load up the truck with all the gear you take. Now inflate the bags to bring the rear back to it's original height. Next hitch up and use the WD to setup your truck and TT.


I had the same bounce issue as you are having. The problem was that I had so much stuff in the trucks bed that I had to use 1000lbs bars to be able to lift the rear of the truck to transfer any weight. The tongue weight was only 500lbs. It made for a jerky-bouncy ride. After I put bags on the truck and went to 400-600lb rated bars the ride smoothed out tremendously.
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Old 04-01-2015, 10:48 AM   #19
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Originally Posted by goducks View Post
Snip...
The proper way to use bags and WD is to 1st load up the truck with all the gear you take. Now inflate the bags to bring the rear back to it's original height. Next hitch up and use the WD to setup your truck and TT.
Snip...
Not true for all airbags. I have Air Lift 60818 bags mounted inside the rear coil springs of my RAM. User manual specifies..

Quote:
Inflate your air springs to 35 PSI before adding the payload. This will allow the air cylinder to properly mesh with the coil spring. After the vehicle is loaded, adjust your air pressure down to level the vehicle and for ride comfort.
http://www.airliftcompany.com/conten...-704_60818.pdf
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Old 04-01-2015, 11:32 AM   #20
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Must be PA thing I got on some concrete north of 80 /81 split on 81. I had to hold my stomach I was bouncing so much. Finally slowed down to about 40 with flashers and then had to deal with semi's blowing me around. I wondered if there was any way to put shocks on the trailer to help that.
Nah, PA doesn't have a corner on that market, although it might be close. I've experienced bouncing in other states too! I know it's the road surface because when I cross a bridge or overpass it often stops, then resumes when I return to the road surface on the other side. I can't say I've ever experienced bouncing on the PA Turnpike, but I'm sure someone on this forum will call me on it.
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