Quote:
Originally Posted by AndyTblc
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By raising these, makes it level, No matter how much these are moved, there will always be the same amount of space between the truck and the camper except in the back where it will change.
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No.
Disconnect the trailer from the tow vehicle.
Level the trailer front to rear. Measure the distance from the base of the kingpin to the ground.
Raise the trailer 2" on it's suspension by "flipping the axles" or installing longer shackles or by installing a Dexter TorFlex raising kit or whatever technique will result in the floor of the trailer being raised 2". Then
level the trailer front to rear. The base of the kingpin should now be 2" further from the ground than before you raised the trailer.
Adjust the pinbox by lowering the kingpin, or adjust the hitch by raising the fifth wheel on its frame, or both, until you make up that 2" difference caused by raising the trailer. Fine tune the adjustments to the pinbox and the hitch until the trailer is level when connected and ready for the road. That fine tuning might mean hooking up and unhooking a few times.
If you had 4.5" clearance before the raising, then you should have 6.5" after the trailer is raised 2".
Note: I used 2" as an example. If you raise the trailer 4" instead of 2", then change all my mention of 2" to read 4".
Quote:
Some are saying that the springs need to be adjusted, but no matter how you adjust the springs, the pin will still be afixed to the truck and will not move other than with the movement of the springs in the back.
If the camper goes higher, there will be more space in the back and less in the front.
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No. If you begin with a level trailer, and you finish with a level trailer, after raising the trailer 2", then you are going to have 2" more clearance between the top of the bedrails and the underside of the 5er overhang. When you say "the pin will still be afixed to the truck" it sounds like you're assuming you don't adjust the pinbox or hitch after raising the trailer. But of course you must adjust either the pinbox or the hitch or both so the trailer is level after the modification is complete.