The I-15 bounce!

[RockChucker]

Yep. My 2012 does not look reasonable to add one here.
View attachment 131583

And looking at the inside of the frame/spring hanger, there is already a cross member there, so adding one on top of the frame wouldn't be worth it, probably?

View attachment 131584

This is why I haven’t gotten to the execution phase yet. It won’t be simple unfortunately.

 

[str8line]

Just found this thread while doing a search about the I-15 bounce. Was wondering if anyone else gets it and lo and behold. Good to know it's not just my truck. I think I've gone through a few sets of shocks because of the bounce. I drive a 2013 Ford F350 dually. What a nightmare. It's really bad from my exit(11400 S.) heading north. It didn't use to be as bad north of 7200 S but now I get it all the way to SLC.

 

[glockman]

I was recently told the newest Fords have an 8" longer wheel base that eliminates this. CCLB that is. Haven't verified it.

 

[jeeper]

Today is the first time since my new tires back in May that I have driven my truck without a trailer or loaded bed on the freeway. I got on heading north at 10600 s. My teeth about fell out it was so bad.
my shocks were on 4 firmness (1-9 optional) I cranked them up to 9, and it was a bit worse. I went down to 1, and about 80% of the bounce went away.
I am assuming the coopers have a stiffer side wall than the hankook’s I had before, so the softer setting handles better.
however, it did give the truck a lot more sway, that I was not fond of.

 

[anderson750]

I think it is all because road contractors along the wasatch front cannot build a flat road. I have driven a lot of miles across a lot of states with and without something in tow and I have never seen such uneven and crappy bridge transitions anywhere. With all the GPS technology in equipment now I just don't get it.

 

[TRD270]

I think it is all because road contractors along the wasatch front cannot build a flat road. I have driven a lot of miles across a lot of states with and without something in tow and I have never seen such uneven and crappy bridge transitions anywhere. With all the GPS technology in equipment now I just don't get it.

poorly constructed roads = future job security

 

[jeeper]

Completely off-topic, but has anybody noticed that they have removed all of the “no trailers in left two lanes“ signs on I 15? Am I to understand from the removal of the signs that Trailer‘s Can now be in the carpool lane and left lane?

 

[rholbrook]

My BIL actually got a ticket for being in the fast lane, not even the carpool lane.

 

[jeeper]

My BIL actually got a ticket for being in the fast lane, not even the carpool lane.

How long ago was that? Because there used to be signs saying that you couldn’t have a trailer in the left two lanes. But with their not being any signs anymore, I think I would fight that ticket if I were to get it now.

 

[Rot Box]

I don’t take I-15 too often but Southbound seems worse than North... either way wow it’s worse than I remembered 😣

 

[rholbrook]

How long ago was that? Because there used to be signs saying that you couldn’t have a trailer in the left two lanes. But with their not being any signs anymore, I think I would fight that ticket if I were to get it now.

There is still a sign near warm springs exit in NSL on I-15

 

[Chet Daynes]

I have this same choppy ride issue with my super crew cab Raptor along this section on i15. Either I need to rebuild the shocks, or it’s not something shocks make a difference with.

 

[Tacoma]

This must be the thread @Greg told me about when I was b*tching about the CC longbed dually work truck I drove to Denver, and this annoying bounce it did. Looks like we are all engineer-like enough to get a handle on the issue, and I'm glad there's consensus on this!

I just asked and for some reason they won't let me do stuff to the company dually. Lame.

 

[rholbrook]

I don't get the bounce anymore in my new truck. The only difference is it is 1' longer.

 

[J-mobzz]

I’ve been driving my parents 2016 Silverado 1500 crew cab with a 6 1/2’ bed for a few days. The truck is in perfect condition. They have owned it since new and is as clean as it was the day off the showroom floor with only 38,000 miles.

After driving my Tahoe and getting in this thing, it’s absolutely crazy feeling driving it down I 15. To the point, it makes it difficult to adjust the radio because I hit the wrong button on the screen from the bounce.

It seems like from reading this thread it’s mostly a wheelbase issue and different shocks likely will only make marginal difference if anything?

But the threads also a couple years old so I just thought I would see if anyone had any new developments or suggestions. I’d like to help them get it riding more comfortable so they actually drive it a little bit more.

 

[Kiel]

My 2005 power wagon with the 6 ft 3 def gets the bounce

 

[Brad J]

I haven't had any bounce with my new Excursion on I-15 like I get with my F250 Ex Cab Long Bed. The Excursion does get a bad bounce on California Ave by 215 though.

 

[moab_cj5]

My 2024 Tundra Crew Cab with a 6.5' bed gets the bounce. I think it is mostly wheelbase.

 

[N-Smooth]

I get it in my truck but I just sigh, take a deep breath and then celebrate that I'm fortunate enough to have a truck. #truckprivilege

 

[Kevin B.]

The Excursion does get a bad bounce on California Ave

Yes. So much. I'd get it pretty bad on sections of I15 too but I expect the suspension had a lot to do with that.