Has anyone here tried to raise the ground clearance of their HiLo by adjusting the spring shackle height? I would really like to do this to mine to better protect the plumbing and the rear bumper from speed bumps and steep angled driveways but don't know how. Pictures would be great but any help is appreciated. Thanks in advance.

First you need to go under your trailer and look, most Hi-Lo's don't have springs. They have tork axels. Older hilos with springs can have there hight rased by replacing the shackles with longer shackles. This will give you about 1" extra clerance. A lot of work for very little change.
Sam

Thanks Sam. You're right, it's a moot point. I have the torsion axels.

I had a 1999 24T that set very low. After hitting and breaking the awing support and the sewer connection, I raised the camper 3" using 2X3 tubing between the frame and the torsion axles. This is the same size tubing the 2499T has as a frame. I welded a flat plate to the 2X3s, I purchased for the lift and drilled holes matching the holes for the axles, 2 in the plate and two in the tubing. I unbolted one side of one axle at a time, bolted in the tubing and then bolted on the axle. Was able to have the parts welded in a shop and painted before installing. Completed the work in my yard in one afternoon.
The camper towed better and extra 3" gave me lots of clearance and gave me more height for sewer drainage.

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Dave and Carolyn
2409T
2011 ECO-BOOST F150

Dave, could you post some pictures of what you did? I'm having trouble visualizing it. And, it sounds to me like a good idea!

- Jack

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Hi-Lo 1707T
2005 F150 4x4 KR SCrew

I just took my trailer to Arizona Spring here in Tucson. The gentleman (named Ivan) there was quite helpful and the axle is going to be moved forward 3". He also suggested that it would be a good idea to raise my trailer while he was at it and suggested 1 1/2". (He thought the clearance between the tanks and the ground was too small).

So, we'll see how things turn out. He said it will only take a day or two to do the work!

- Jack

Do the double axel trailers also use those torsion type axels?

mines older and 5th wheel and it has regular leafsprings. hmmm

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From Kansas: 29ft '95 5th, converted to toybox in rear, by Hilo. Pics soon, Some Here.