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Old 03-16-2013, 08:51 PM   #11
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Tires are brand new Michelin LTX M/S2.. 275/55/20 size

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Old 03-16-2013, 09:19 PM   #12
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Are they P or LT? There is a buge difference. My opinion on tires. The P rated will give you a squirmy feel and amplify any movement. I would definitely recommend LT for towing that heavy.

On my little TV, I noticed a big difference between my cheap light stock tires and my oversized better made snow tires.

Also how fast were you towing?

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Old 03-16-2013, 10:09 PM   #13
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You have a lot of sail area with that long, long trailer.
IMO, way too much for a short wheelbase F150.
I've heard of people getting to test drive new trucks and towing with them.
Try an F250 supercrew with a 8 foot bed.
I would not tow larger than what we have with an F150.
Also, consider the height of the TT. Ours is less than 9 feet high.
And, check the payload on the yellow sticker on the driver door.
I do not have enough truck to tow a 7000 lb 35 foot TT.
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Old 03-16-2013, 10:26 PM   #14
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get a 3/4 ton diesel.


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Old 03-17-2013, 07:07 AM   #15
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I went through the same issue a few years ago. Despite any adjustments my 1/2 ton got pushed around, especially on the interstate by the big rigs when towing my 35', 7400lb TT. I switched to a crew cab 3/4 ton and problem solved. Not so much the engine but the stifness of the frame with the extra crossmembers. I did get a big block 8.1 gasser which did not hurt...catch was I realized I could tow more and just traded up to a fiver. I strongly reccomend upgrading your TV. The bottom line is its a matter of safety for you and your family and those on the road around you.
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Old 03-17-2013, 08:56 AM   #16
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7000lbs sounds light for that trailer. I highly doubt that is correct for a loaded weight unless that is the trailer axle weight when hooked up to the truck. Getting pushed around a bit is normal and is worse on windy days. Certainly check the hitch, but some push now and then will never go away. You are pulling a giant sail behind you.

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Old 03-17-2013, 09:04 AM   #17
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Yes, LT tires do make a difference. Less bounce, less sway.
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Old 03-20-2013, 07:10 PM   #18
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Well, spent the 20 bucks at Cat Scale today.....GCWR is 15,300. I cam in at 13,800....but didn't have the family, extra gear, add 500... Just to be safe...14,200lbs. Certainly to close for comfort on the max. As it sat with most of our gear, again minus family and dogs was as follows: gross weight 13820, steer axle 3120, drive axle 3720, trailer axle 6980. Truck itself weighed in at 6060 ( full tank and 2 passengers - no kids, bikes, etc) GVWR for the truck is 7200.

I did add 2 additional washers to the equalizer brand WD even though it was much better, still not a joy. Those measurements were with the 2 additional washers for a total of 4.

I reweighed without the WD. Steer axle 2800, drive axle 4160, trailer axle 6860, gross weight 13820.

Our local dealer let us hook up to a 2103 F250 RWD 6.2L gas with max tow, etc....seemed much more stable and didn't push around as much....added some confidence..the F150 was better with the added pressure to the WD, but no 250. So...not sure where to go from here...I think I know what I have to do...weighing it out...and oh, just to note, can't afford the diesel!

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