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Thread: New truck, looking for trailer
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01-29-2020, 03:25 PM #41
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01-29-2020, 04:29 PM #42
Hey Chris- Assume by four times against the bushings you are referring to tightening the tension nut at least four turns, four threads visible over what the starting point was. With equal tension on the triangle plate, there is force to rotate the shank and ball upwards, much the way a spring bar or trunnion does on a conventional hitch. The ball assembly sits in a cone shaped holder lined with a brake pad like material. This allows the ball to turn with respect to the shank and the friction helps with sway. The ball does not need grease as it does not rotate in the coupler.
For setup, level your trailer, measure distance to the frame (not the frame extensions or drop frame members) to the ground, from as far to the rear and front as possible. My 2150RB the measurement was about 22-1/2”. This is also the measurement to the inside top of the coupler. Now set the top of the ball in the shank to about 1” to 1-1/2” higher than the top of coupler, I used 24”.
Now measure the top of fender to ground for both front and rear wheels of the tow vehicle. In my case the rear was a little over 39”, the front was about 37”. Assuming you have been through the instal guide, the brackets are installed on the trailer A frame. Hook up the trailer with the chains unattached, locking the coupler. Slightly raise the tongue using the power jack. If the triangle plate is not perpendicular to the centre line of the trailer, you can move the plate with your hands. Attach the chains with the shackles. Tighten the tension nuts to at least four turns, probably at least three more, so seven threads showing over the starting point. Retract the jack. Check the fender clearance, a level unit will have about same height for the front fender, the rear might be about 1” less. If you need more equalization tighten the tension nuts, if you need less equalization loosen the tension nuts - I’ve found adjustments ov even 1/2 turn can be noticed.Last edited by Skiddy; 01-29-2020 at 04:32 PM.
Judy & Larry
Ty and Ali the St Bernard drool machines
Delta, British Columbia, GWN
2019 Imagine 2150RB - lovingly christened “IM-A-GENE” towed by Dusty via Andersen 3350.
2018 F150 SCREW 3.5 EcoBoost Lariat - respectfully christened “Dusty”.
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01-29-2020, 05:06 PM #43
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02-05-2020, 04:55 PM #44
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22” low profile tires while towing a TT? That makes no sense to me but do as you choose. I suggest you research your decision further.
Dave and Sue Dion
SCPO(SW), USN, (Ret)
2020 GD Imagine 2250RK
2019 F-150 XLT FX4 5.0L,1823 payload
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02-06-2020, 08:47 AM #45
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Thanks for your reply. Yeah, that's what was on the truck when I bought it. I think that if I stay within the load rating I'll be ok, but not sure. If I need to get different tires, it'll hurt, but definitely will. I just had to replace one this weekend because a piece of metal ruined the tire ... $400 plus road hazard.. ouch.
Chris
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02-06-2020, 09:42 AM #46
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the aspect ratio of the tire plays an important role in the safe driving / towing of your RV. I’ve never met any RV’er that would agree that running Low Profile tires on a TV would be a safe thing to do. Best of luck.
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02-07-2020, 01:33 PM #47
Today’s low profile, 55 aspect ratio specifically, is not your father’s low profile, IMO. Stay within the load limits and most will find their towing experience is safe. Years ago, you were absolutely correct, maybe due to bias ply? I really have no idea.
Friend has 255/70 R 18 113T’s on his F150. mine has 275/55 R 20 113T’s. Both trucks have pulled my trailer, I noticed no difference whatsoever wrt handling. His 6 speed transmission was noticeably different than my 10 speed, but other than that, neither he nor I noticed a difference.Judy & Larry
Ty and Ali the St Bernard drool machines
Delta, British Columbia, GWN
2019 Imagine 2150RB - lovingly christened “IM-A-GENE” towed by Dusty via Andersen 3350.
2018 F150 SCREW 3.5 EcoBoost Lariat - respectfully christened “Dusty”.
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02-07-2020, 03:19 PM #48
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i have factory goodyear 275/55R20 Kevlars on my 19 f150 5.0 Coyote for what’s is worth. I’ll concede that the definition of low profile may have changed over the years.
Morryde Safe-T-rail install issues
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