Arctic fox 990 rocking back and forth

[Wingit1971]

Hey everyone,
I'm new to the truck camping world and have a few questions

I have an 2017 arctic fox slide in on a 2015 f350 SRW with airbags and rancho 9000xl shocks. I upgraded the the rims from 18's to 20's and put on bf goodrich ko2 265/70r20.When I bought this whole package it didn't rock back and forth at all, now it will rock side to side 2-3 times when until it smooths out . I have it loaded fine and the tiedowns are snug. Trying to figure out what's wrong. You would think the upgrades would've helped it. going around curves isn't a treat either. I have 55psi in the airbags and it leveled just fine and have a very slight bulge in the tire but nothing to write home about. I want to use this as a beach buggy in NJ but there's no way I can do that with this sway/ rocking. Any feedback would be helpful. This is dry weight... 4k Hate to see adding an extra 1k loaded would do.

Thanks.

[wnjj]

Wingit1971 wrote:
I know the truck can handle it, I just need some conformation from someone that rocking side to side two-three times is normal after a bump. I don't think its going to tip over or fall off. I don't remember it rocking like that. Anything i can add to help that? This camper is going on the beach in deep sand and it gets bumpy. Im going to need to air down a bit as well. Im sure a dually is the fix all but It's not in the cards at the moment

My setup rocks a few times when turning into a driveway curb cut but that can happen in a car so it’s normal as far as I’m concerned. It drives very solid on the road including evasive maneuvers. When you refer to a bump, are you talking about an occasional pothole or speed bump or continuous rocking on a bumpy road?

[Wingit1971]

I know the truck can handle it, I just need some conformation from someone that rocking side to side two-three times is normal after a bump. I don't think its going to tip over or fall off. I don't remember it rocking like that. Anything i can add to help that? This camper is going on the beach in deep sand and it gets bumpy. Im going to need to air down a bit as well. Im sure a dually is the fix all but It's not in the cards at the moment

[wanderingaimles]

Your question reminded me of my van when I was in high school.
I had a bumper sticker that said,,,,,
"If this rigs a rockin,,, Dont bother knockin"

[specta]

Wingit1971 wrote:
The previous owner drove this across country with no issue.

One man's dream can be another man's nightmare.

The sway may not of bothered him.

I'm sure there are people in this forum that if they drove my truck and camper they would be driving white knuckle and have half of my seat up between their butt crack and it doesn't bother me at all.

[JimK-NY]

"We'll figure it out....."

Here is what I figure.

The dry weight of 4000# is likely to increase to 5500# or more when you are loaded up ready to camp.

It is highly likely when the camper is fully loaded the weight on the axle is going to exceed the load capacity of the tires. You really need to consider an upgrade to 19.5 wheels and tires.

Next, the truck is overloaded. Airbags and shocks do not fix that. Instead you need to start with the springs, either have the spring pack rebuilt or add something like SuperSprings.

Finally, all of this is a losing battle. You need a dually.

[daily_double]

Big Wig sway bar?

[Wingit1971]

I hope so. No RV dealer will touch this and I can't find anyone local that I can take it to. Praying

[notsobigjoe]

Don't worry OP, We'll figure it out. Some more input is fourth coming and we're going to the weekend so hang in there. Someone will help you figure it out.

[Grit_dog]

Read the thread below yours, literally the same question about virtually the same size/weight camper on a very similar truck.

Your post says you upgraded the tires and wheels and now it's rocking. My brain says you also upgraded the shocks and added the airbags also and prior to, you were riding hard on all spring and no bags and as soon as you lifted the truck off the springs at all with the bags, the body roll got more pronounced.
Your answers are in the "too much camper" thread.

[Wingit1971]

Id love a dually, but a little outta my price range. The previous owner drove this across country with no issue.

[Wingit1971]

80psi on the tires and setting 9 on the rancho shocks

[burningman]

Rancho 9000 shocks tend to wear out extremely quickly.

[jimh406]

What tire pressures are you running, and what are your shock settings for front/rear?

[_1Flyboy]

A good reason to move up to a Dually….

[Wingit1971]

Sorry i gave the wrong tire size LT 275/65 R20 126/123S e load. I also took the airbags down to 30psi to no avail