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Old 04-08-2013, 04:17 PM   #1
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what feels 'right'? What is wrong?

I've towed plenty of smaller trailers on many vehicles. As in under 3k lb trailers.

Set up our expedition and TT 2 years ago with a reese WD /anti sway as per directions. No problems, no weird feelings.

Took the TT out today for the first time with our new TV, a 4 door short bed 1/2 ton pickup. 24" more WB but otherwise very similar - same hitch height and very close to the same vehicle weight. Both are 4wd.

When I set up the truck yesterday I had the fresh water tank full (sanitizing the system) and black/gray empty. (all tanks are behind the TT axles). At 5 links (same as on the expy) I got 1/2" drop in the back and about 1/4 drop in the front (wheel well to ground). Seemed good to me.

I drained the tank and took it on a ride today for inspection - local roads and hiway. I was expecting a better ride - have trailer sway in the truck, longer WB, new truck (2800 miles vs 240k miles).

It was a windy was only me in the truck (vs wife, kids, dog). No food in TT. Not that it should make much difference...I've driven light and with water and in the wind with the expy and it felt about the same as when loaded.

Today didn't feel dangerous, as in white knuckles, just 'different' and not better than the expy. I expected felt 'squirmy' like driving on 4 nearly flat tires or something.

I did 5 links going and figured maybe more weight on the front was needed and did 4 links on the ride home. Both felt the same.

So when I got home I measured again (empty tanks on TT)
Compared to unladen truck -

On 5 links the rear of the truck dropped 2.5", front went up 3/4"
On 4 links the rear of the truck dropped 2", front went up 1/2"

Is the feeling because our expy had 10 ply E rated tires vs this trucks stock P rated tires? Less stiff sidewalls would feel like flat tires, right?

Should I re-orient the hitch to transfer more weight to the front with empty tanks? We usually don't run with water in the tanks but do have a rack on the rear of TT and carry 4 bikes there. We don't plan to put anything in the back of the truck (have a tonneau cover and can't drop the tailgate with the TT on there anyway)

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Old 04-08-2013, 04:43 PM   #2
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get rid of the p tires. that is what you are feeling. they are overloaded. i am not sure why they even put them on trucks.

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Old 04-08-2013, 05:07 PM   #3
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They should add another "P" to them so it is easy to tell that they are "Piss Poor" tires.
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Old 04-08-2013, 06:05 PM   #4
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I had the same issue with my rear end. Not much wheel base in my crew cab. Recently upgraded to the Michelin LT 275 65 18 and made a big difference. DISCOUNT Tire gave me pretty good trade in as I only had 10k on my factory tires. They even ride better than the factory Bridgestones when aired down for daily driving. Tow good at 50 psi.
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Old 04-08-2013, 07:37 PM   #5
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What bars do you have? 600# 800#?? I tow a surveyor 264 similar weight and tongue weight. I have a 2007 Tacoma Crew cab. When I picked the TT up I noticed that my steering was light. I put more angle into my hitch head and it was a huge difference. I also run Timbren SES for the rear end to help with the load. However it does not even touch when I am loaded.
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Old 04-08-2013, 08:22 PM   #6
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I would also say its the P-metric tires. I have never and will never own a truck or SUV with them, but thats just me. I would up grade to a D range tire, it will still give a decent ride but will handle MUCH better! Good luck!
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Old 04-08-2013, 08:39 PM   #7
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It is combo of tires and setup. upgrade th LT tires and then followthese instructions to set up your hitch. I suggest going by both weight and measurement to get your setup correct.
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Old 04-08-2013, 08:43 PM   #8
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I would say it may be your tires. On my rental trip with my Libby, I had the cheap and light weight stock tires. I felt like I was on Jello. When I took home the new camper, I still had on my quality snow tires. Even though both were P rated, I could tell the difference in what tires can do.
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Old 04-08-2013, 11:07 PM   #9
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I think anaro is right on with the right tires and setup. I had a Pro Series trunnion style bar system with 2 friction sway arms prior and that would not cut it on my new trailer. I will never need to put 80 lbs in my LT-E rated tires, but I can play around with the air pressure and 50-60 seems to be a good tow pressure and I keep about 35psi for daily driving. I was thinking about adding Hellwig Springs...but with the tire and hitch upgrade I don't feel there is a need.
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Old 04-09-2013, 10:53 AM   #10
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Get the tire thing worked out, based on so many recommendations here.
If things still feel squirrelly, I don't think you are transferring enough weight to the front. Your front fenders is still 1/2" higher than pre-loaded. That means you have less weight on the front wheels than stock. That means things will feel less stable than stock.

Many trucks (especially 1/2-ton) come with recommendations for putting things where you are now. Like returning only half of the lost weight back to the front wheels. This in spite of the WDH makers recommending over time to target returning all of the lost weight (if not more). I think these OEMs are simply covering their butts, to be sure that someone doesn't accidently unload the rear axle to the point that hard braking might jacknife the rig.

So again, change the tires if you are willing. If still an issue, transfer more weight.

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