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Old 11-24-2006, 05:10 PM   #15
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2006 30' Classic
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Originally Posted by robert claus
If I were you, I'd try stiffening the rear suspension on the F150, with helper springs or air bags, and make sure the rear tires are at max pressure. The rear suspension is the "hinge" that gives when you push on either end of the A/S.
Stiffening rear suspension to ofset tong weight does nothing for handling!!! Stiffening except for small amounts reduces the amount of hitch weight that can be transfered to the front wheels of your tow vehicle. It is true that the trailer tow vehicle hinges at the ball. It's also the place of leverage up and down. While the vehicles may sit at a level attitude the front axle now will have less weight on it and any downward force on the ball will lessen it even more. ----- pieman

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Old 11-24-2006, 05:36 PM   #16
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Originally Posted by 3Ms75Argosy
Can you post a pic of your setup? Maybe you are not hitched up to optomize your setup. I've been passed by semis doing 80(!) and not really felt a bump. When I wasn't hitched right (trailer was nose high by one hole) it swayed around with little provocation.
Had exactly the same experience with my 25 FB SE. Moved down one hole and it rides like a champ! I use the Reese Dual Cam and tow with a 3/4 ton Suburban with large wheels. (I thought it was dragging down the back of the 'burb more than it was affecting the trailer... but that's how it looks parked. It's a different ballgame driving down a slightly bumpy road.)

The Hensley is a damn good hitch... try ebay or Craigslist if you want to save some bucks! All suggestions above are very good. I'd check all of the tire inflation first, then look at the hitch ball height - those are FREE fixes. Then it's up to you. If yours is a short wheelbase truck your best bets are a Hensley or a new truck... and the Hensley is less.

If you go to a rally and ask for advice, most people will gladly give you the opportunity to take a close look at their setups. Some will even take you out on a test drive.

Good luck, and be safe out there.

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Old 11-24-2006, 06:54 PM   #17
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I changed brands of rear tires while at international in Salem, Oregon. I was driving a 92 standard cab long bed Dodge Cummings. I went from Dunlops to Kelly. The Kelly rear tires kept we white knuckled all the way home. I have since purchased a 2006 Dodge mega cab and the sway problem disappeared.
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Old 11-25-2006, 06:01 PM   #18
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Lake Forest , Illinois
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Thanks for all of the advice. My AS is currently in Arizona and I am in Illinois. When I return eithin several weeks I will try all of the adjustments and if all fails I will be trying a new hitch.It is also necessary to note that from my experience the wind conditions in the west can be much greater than those in the midwest and it may be my imagination but the isle widths of the highways in the west are less than our 12 foot widths.Also the volumr of semi traffic on the interstates semms to be heavier than in the Chicago area. Or perhaps I am just trying to justify a problem with my AS andits hitch.
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Old 11-25-2006, 07:14 PM   #19
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Everyone else has pretty well hit on all of the key areas; proper hitch setup, stiffer tire sidewalls, etc. etc. etc. What you didn't mention in your original post was what, exactly, was happening. There are a number of things that can happen when a truck passes you in a wind. Does your truck and trailer get sucked in and then blown out as a unit? Does it act on the truck and the trailer independently? How easily do they recover? Some "wiggle" problems aren't caused by either the hitch or the trailer, they're engineering issues in the tow vehicle.

I have a V10 Excursion with which I towed our tri-axle. It wiggled regardless of what I did with the hitch, tires, whatever. I found out that the spring stack was too light at four leaves to hold the rear axle centered under the rear end. It was especially noticeable when towing. A pair of radius rods and a 36mm sway bar did the trick.

If you can describe more accurately what exactly is happening, we might be able to better diagnose what's happening for you.

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Old 11-26-2006, 10:36 AM   #20
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Once again thanks for all the help. I am currently watching a show on television about $2 miilion dollar motor coaches. Pehaps i have found the solutuion. But then I may not be able to afford the diesel fuel.
Have a great Thanksgiving. We are very fortunate to have minor problems such as trailer hitches, and to live in this great country.
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Old 11-26-2006, 03:10 PM   #21
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A slight wiggle when a semi passes in windy conditions is normal. The air-dam of a passing semi will push your trailer right first, push your tow vehicle right next, then the relative vacuum behind the semi will pull the trailer left, and finally pull the tow vehicle left. The problem is worse when there is a crosswind from the left - the semi blocks the crosswind for a few seconds, causing you to drift left. I have found that holding the steering wheel still will eliminate 90% of the problem. Steering corrections make it much worse. No hitch is going to eliminate this. Proper setup of what you have will help some.
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Old 11-26-2006, 06:03 PM   #22
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Originally Posted by woodedareas
Once again thanks for all the help. I am currently watching a show on television about $2 miilion dollar motor coaches. Pehaps i have found the solutuion. But then I may not be able to afford the diesel fuel.
Have a great Thanksgiving. We are very fortunate to have minor problems such as trailer hitches, and to live in this great country.
That's funny woodedareas. I definitely can afford the diesel fuel - not a problem. It's the 2 Mil for the coach that I could not scrap together!
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Old 11-26-2006, 06:14 PM   #23
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As others have stated: Hensley Arrow. I'm still not completely in love with it (we're going through a wierd hard to hitch-up phase) but it eliminates sway from the big rigs. I don't even think about it that anymore.
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Old 11-26-2006, 07:46 PM   #24
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Valparaiso , Indiana
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hensley hitch up

I think everbody that has a Hensley goes thru this. You will gradually catch on and wonder what all the troubles were. I used to get furious trying to hitch up. Anyway, hang in there.
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Old 11-26-2006, 08:44 PM   #25
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hi silverback and rochar3....

hitch up problems?

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Old 11-26-2006, 08:51 PM   #26
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I like these contributions, they rock and should give you good insight. When a 18 wheeler passes you on the left, the air does push the trailer right but makes the TV suck to the left at first. Strange for some but not overacting is the key. A lot of white knuckling is self induced.
Not too much 5th wheel experience on this forum but they don't have this problem nor do the goose necks. If the pivot point is on the axle, the fishtailing is virtually zero but the sway is still there. Just food for thought because the lateral forces are felt more than the longitudinal forces..

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