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Old 02-10-2019, 04:12 PM   #1
Jingle
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New RV hitch adjustment

I was postiŮg this picture to get some opinions on hitch adjustment. I would like to insure that I get the height right. I am thinking about raising the pin box on the RV up one set of holes. I would also raise the hitch up but not quite as much. I am considering installing air bags to improve the ride and get my headlights out of the trees. Any guidance would be much appreciated! Thanks!
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Old 02-10-2019, 04:30 PM   #2
jeffba
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You might want to share truck and Monty information.
how much space between top of truck rail and Monty?
How much sag do you have?
What is your measured height?

Oh and welcome
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Old 02-10-2019, 04:38 PM   #3
whiterose
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Most people recommend a minimum of six inches from bed rails to RV, you look to be okay from the photo. If you raise the pin box you will reduce this clearance, raising the hitch would increase the clearance. So if you adjust both you will finish up close to your starting point. Will depend on hole spacings and not all hitches are adjustable. Hope you have a sliding hitch!
Your RV appears to be riding high at the front, but this maybe distortion in the photo. Nothing you can do about this, it is a consequence of the trucks getting taller.
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Old 02-10-2019, 04:41 PM   #4
Jingle
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This is a 3121RL and a GMC 2500 hd, both 2019. Suspension set down about 3inches from unloaded height. I have 9 inches of clearance between the top of the bed rails and the bottom of the fifth wheel.
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Old 02-10-2019, 04:47 PM   #5
Jingle
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Oh and we have a B and W sliding hitch.
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Old 02-10-2019, 04:55 PM   #6
Creeker
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Beautiful rig Jingle. With 9" of clearance I would more than likely drop the
hitch one set of holes. Should help get your trailer more level. As for the headlights in the air and suspension squat; Air bags or helper spring of some type. I would probably opt for air bags.

Again, simply beautiful rig and congrats!
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Old 02-10-2019, 05:13 PM   #7
Jingle
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Thanks
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Old 02-10-2019, 10:32 PM   #8
twindman
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My 2006 2500 chevy used to drop about 2 or 2 1/2 inches when hitched so I got airbags. My new one is a 2012 and it only dropped about 1/2 to 1 inch. so I am surprised yours drops 3 inches. Tho I am guessing you new rig weighs considerably more than mine.
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Old 02-10-2019, 11:03 PM   #9
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Quote:
Originally Posted by Jingle View Post
I was posting this picture to get some opinions on hitch adjustment. I would like to insure that I get the height right. I am thinking about raising the pin box on the RV up one set of holes. I would also raise the hitch up but not quite as much. I am considering installing air bags to improve the ride and get my headlights out of the trees. Any guidance would be much appreciated! Thanks!

I have the same issue with 9"+ clearance and it sits nose high about 2-3". The B&W at its lowest setting is still higher than most hitches. If you raise the pin box, that will still give you 6.5" (2.5" bolt hole spacing). My truck drops about 3", but my 3790RD has a pin weight of 3500# and still sits high in front. The truck only has about 1" rear sag (from level) hooked up.


I'd start with the pinbox and see how it rides.
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