Need sway control !!

Discussion in 'Tow Vehicles, Hitch & Towing' started by Johnny cash, Jun 21, 2021.

  1. Johnny cash

    Johnny cash Member

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    I have a 2020 mpg cruiser 2550RB towing with a 2020 Dodge Ram 1500 crew cab
    I have a husky-weight distribution (with bars not chains) setup that I’m pretty sure is bang on, my truck and trailer sit level with a little sag on the truck and lots of tension on the bars.
    Also have air bags in the truck that I run about 20-25psi when I’m loaded up

    we just got back from a 4.5 hr ride home from camping and the sway in the back of the trailer was crazy ! Felt like I was in a wind tunnel all the way home

    any ideas or input ?
    upload_2021-6-21_19-40-35.jpeg
     
  2. xxxapache

    xxxapache Well-Known Member

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    The first thing I would do is lower the trailer nose if it is currently sitting level when hitched up. The second thing I would do is check and see if I had enough tongue weight and check for too much cargo in the rear of the trailer.

    When I set up a WDH, I use fender well measurements before and after hitching and make adjustments to the spring bars, hitch height, and hitch head angle accordingly.

    Do you have LT tires or P-metric tires on the truck?
     
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  3. Johnny cash

    Johnny cash Member

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    That’s my setup
    Not too much weight in the rear as our bathroom is in the back I always try to distribute the weight evenly
    I feel as though my tongue weight is good
    I’m going to try and scale it this week

    I’m not sure of the tires
     

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  4. Sjm9911

    Sjm9911 Well-Known Member

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    Wow thats a big rig for a small truck. Drop the toung a bit. You are dead on even, but a little bit down in the front may be better. Think of a sea saw, any bump will make the weight shift back and forth. Unfortunately at like 30 feet long and 7500 lbs its the tail swinging the dog. If you go fast , it will move around. Its just so big it catches wind and will push the tv around. Going up from p tires to lt tires should help some, but i dont think it will fix it all. How fast were you going? Were 18 wheelers passing you?
     
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  5. xxxapache

    xxxapache Well-Known Member

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    I believe dropping the tongue will help. I also agree that is a big trailer for a half ton. Sure, its advertised empty weight makes it half tow ready according to the manufacturer, but it's got a lot of surface area for the wind to push your rig around.
     
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  6. Johnny cash

    Johnny cash Member

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    No big rigs passing
    Many dodges up here pulling bigger rigs
    Pulling around 90km/h
     
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  7. xxxapache

    xxxapache Well-Known Member

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    Does your 2020 Ram have Trailer Sway Control?
     
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  8. Sjm9911

    Sjm9911 Well-Known Member

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    Ok, definitely not too fast, or sway from being passed then.
     
  9. Snow

    Snow Well-Known Member

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    Try 2 simple things..
    Read up on your hitch head.. tilting it aft ir forward will affect tongue weight ( I can't remember which direction will increase tongue weight)

    Next is load front heavy.. instead of distributing the stuff inside evenly, load more of it in the front..

    Are you towing with the tanks full or empty (water,grey,black).. ?

    Hey.. is that a centerline hitch? If so it has built in sway control, So you issue would be either lack of tongue weight or a loading issue..
     
  10. Johnny cash

    Johnny cash Member

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    Hey all update…..
    Scaled my unit at a cat scale
    I was basically loaded except food and clothes
    Truck alone was
    Steer axle 3380 lbs
    Rear was 2760 lbs

    Truck and trailer
    Truck steer axel 3040lbs
    Rear 3820 lbs
    Trailer 6040 lbs
    Total was 12900lbs
    Truck tires are falken wildpeak A/T 275/55R20 113T (never heard of them)

    tongue weight came in at 1065lbs

    went with a new wd hitch blue ok with 1000lb bars (not chains)
    Truck has traction control which is on when I tow and actually used 4wd high on our last trip just to see if that made a diffence

    still had some very noticeable sway but was better
    Ive taken all air out of my airbags as well

    can my truck tires affect my sway ?
     

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  11. Dingit

    Dingit Well-Known Member

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    Tires can make a difference.

    ETA Your tires look like light truck tires. Get TRUCK tires.
     
  12. Johnny cash

    Johnny cash Member

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    Any recommendations on TRUCK tires ?
     
  13. xxxapache

    xxxapache Well-Known Member

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    LT tires are truck tires. Your truck may have P-metric tires....I believe they are P-metrics since they have a load index number instead of a letter.

    FWIW, I have XL or Extra Load P-metric tires on my half ton. I run the rears at max psi and the fronts at 5 under. My TT weighs about the same. The tongue weight is also over 1k. I have no sway issues. FWIW, that truck is over 40 years old. A modern half ton set up properly should do as well or better.
     
    Last edited: Jul 19, 2021
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  14. Johnny cash

    Johnny cash Member

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    Appreciate the info !
     
  15. neighbormike

    neighbormike Well-Known Member Gold Supporting Member

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    My suggestion is DO NOT run in 4wd! Nothing to do with sway.
     
  16. Rusty2192

    Rusty2192 Well-Known Member

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    Hit the scale again with the Blue Ox set up and connected to make sure it’s distributing the right amount of weight. The more weight its moving the more friction there is on the bars, which is your anti-sway device. Ideally you want the front axle to be back close to it’s unhitched weight.

    It also appears your math is a bit off. Tongue weight is only 720 lbs in the numbers above (3040+3820)-(3380+2760)=720. The rear axle went up 1060 but the front axle came down 340 so you only added 720 lbs of tongue weight. Total trailer weight is 6760, so you’re just barely above the magic 10% (10.65). I’d try loading heavier in the front of the trailer first before buying anything new and see if that helps at all. It may be an easy fix.
     
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  17. Johnny cash

    Johnny cash Member

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    I hear what your saying but I also had the dealer measure the tongue weight with a tongue scale and he got about 1050lbs
     
  18. Johnny cash

    Johnny cash Member

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    I try loading up the front more with stuff just to see
     
  19. jeepster04

    jeepster04 Active Member

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    Was getting ready to say, running in 4hi will destroy the drivetrain. If the truck has auto 4wd, that will be fine.

    Why not just get sway control? Its cheap and very easy to install. You may even need two.
     
  20. Sjm9911

    Sjm9911 Well-Known Member

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    He has sway controll built into the wdh. The problem os too much trailor and not enough truck. He can minimize sway with LT tires fully inflated, going slower, lowering the toung a bit , and getting better suspention in the truck. But for that cost may be better to get a bigger truck. Or deal with a little sway and go slower. You can only do so much with what you got. I did the dame with a smaller TT. Upgraded everyrhing and got tired of the smaller gas tank so got a 2500. Night and day towing difference. Could my 1500 pull my TT yes, was it fun, no. Is the 2500 fun to tow, yes. And I have no problems excellerating or stopping.
     
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