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Old Apr 13, 2015 | 12:06 PM
  #31  
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I was discussing my 2015 f 250 LB SC squat problem towing our 5er with my relative low pin weight with a technician at the RV dealer today. No question I'm getting air bags. He made a comment that long bed 250's have more of a profound sag under tow loads than short beds. Has anyone observed this? It could be a factor for someone buying a 250 to tow a lower weight trailer (under 8000lbs?).
 
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Old Apr 13, 2015 | 05:52 PM
  #32  
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Originally Posted by Good listener
I was discussing my 2015 f 250 LB SC squat problem towing our 5er with my relative low pin weight with a technician at the RV dealer today. No question I'm getting air bags. He made a comment that long bed 250's have more of a profound sag under tow loads than short beds. Has anyone observed this? It could be a factor for someone buying a 250 to tow a lower weight trailer (under 8000lbs?).
I don't sag with my long bed when pulling our 15,500 fifth wheel.
Tempted to put on air bags to keep from bottoming out when hitting pretty sizable bumps, freeway bridges, etc but it still sits level naked.
 
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Old Apr 13, 2015 | 06:02 PM
  #33  
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Originally Posted by Good listener
I was discussing my 2015 f 250 LB SC squat problem towing our 5er with my relative low pin weight with a technician at the RV dealer today. No question I'm getting air bags. He made a comment that long bed 250's have more of a profound sag under tow loads than short beds. Has anyone observed this? It could be a factor for someone buying a 250 to tow a lower weight trailer (under 8000lbs?).
How much squat are we talking here at the rear wheel wells?
 
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Old Apr 13, 2015 | 07:40 PM
  #34  
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After having both, some of it's an optical aberration. The extra 18 (or more) inches make tail sag appear worse on a long bed. And yep, it really does sag some
 
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Old Apr 13, 2015 | 07:56 PM
  #35  
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Originally Posted by RV_Tech
How much squat are we talking here at the rear wheel wells?
Haven't measured, have a look:






Squat
 
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Old Apr 13, 2015 | 08:01 PM
  #36  
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Originally Posted by Good listener
Haven't measured, have a look:






Squat

Interesting as your fiver looks level.
 
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Old Apr 13, 2015 | 08:08 PM
  #37  
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Sure looks like your pin is behind the rear wheels, instead of ahead by about 3", as most Mfg's spec.
 
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Old Apr 13, 2015 | 08:10 PM
  #38  
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Originally Posted by RV_Tech
Interesting as your fiver looks level.
The hitch is too high. It's a Husky 16k w and the lowest adjustment is 14.5 inches and when placed on the hitch adapter sits 16.5 inches above the bed. I have 9 inches of bed clearance and am shopping for hitches to do away with the adapter. Truck needs to come up, hitch needs to go down. Just takes money!
 
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Old Apr 13, 2015 | 08:12 PM
  #39  
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Originally Posted by r2millers
Sure looks like your pin is behind the rear wheels, instead of ahead by about 3", as most Mfg's spec.
Pin is 2.5 inches forward of the axle. Husky recommends 2 inches. Photo is taken at an angle forward.
 
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Old Apr 13, 2015 | 08:19 PM
  #40  
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Originally Posted by r2millers
I don't sag with my long bed when pulling our 15,500 fifth wheel.
Tempted to put on air bags to keep from bottoming out when hitting pretty sizable bumps, freeway bridges, etc but it still sits level naked.
I think the springs have really become softer, airbags should be a factory option.
 
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Old Apr 14, 2015 | 07:27 AM
  #41  
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Originally Posted by Good listener
I think the springs have really become softer, airbags should be a factory option.
I guess the part I find the most surprising is given what sounds like a very reasonable setup, the rear is squatting so much with what I think would be considered a relatively light fiver.

Steve
 
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Old Apr 14, 2015 | 07:54 AM
  #42  
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Originally Posted by RV_Tech
I guess the part I find the most surprising is given what sounds like a very reasonable setup, the rear is squatting so much with what I think would be considered a relatively light fiver.

Steve
Should I have the Ford dealer check out the rear end, or just go with the air bags? The pin weight and hitch is not over 2000 lbs and the truck has a half tank of gas in the picture.
 
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Old Apr 14, 2015 | 08:18 AM
  #43  
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Originally Posted by Good listener
Should I have the Ford dealer check out the rear end, or just go with the air bags? The pin weight and hitch is not over 2000 lbs and the truck has a half tank of gas in the picture.

For the sake of curiosity have you run it across a scale to get an actual pin weight number? My dually looked like that with 2500# on it. It's got bags now. The springs are too soft IMO. Also, you say it's an F250, does it have the 2" or 4" blocks on it?
 
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Old Apr 14, 2015 | 08:26 AM
  #44  
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Originally Posted by Ferguson65
For the sake of curiosity have you run it across a scale to get an actual pin weight number? My dually looked like that with 2500# on it. It's got bags now. The springs are too soft IMO. Also, you say it's an F250, does it have the 2" or 4" blocks on it?
I haven't had it on a scale. Factory pin weight is 1089 lbs. and I towed it level last year with a F 150. I will check the blocks.
 
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Old Apr 14, 2015 | 10:02 AM
  #45  
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I think the reason this particular setup generated so much discussion is the manufacturer's stated pin weight is so light in comparison to the amount of squat and the model of the truck. Sometimes the manufacturer's stated pin weight is way off and it would be nice to know if that is it by running it across a scale to see what the pin is actually putting on the bed.
 
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