I'm looking at a new 5th wheel that unfortunately only comes with 15' wheels. I converted my current trailer to 16" wheels, but to allow for sufficient wheel well tire clearance, I had to weld a 2" square tube to the frame to raise the trailer.Not really wanting to go through this process again I ran across a leveling kit using blocks above the axle. The product is made by trailerblocks.com. I would not need to raise more that 1 - 2".These look like they are made very well and just wondering if any of you have used these.

I've no personal experience with them, but some say, due to side pressure on suspension, they are not a good idea. Others claim good experience, if only an inch or so blocks. Many FWs come with extra holes in the hangers for use of optional 16" wheels/tires.The correct-trac system will raise a couple inches, and may be a better option.Jerry

That's a lot of money for simple blocks with a hole and longer u-bolts.

I can see issues with blocks if raised too high, or if blocks not of high quality. I would be hesitant to raise a trailer using the lower set of hanger holes without additional support.The hangers are pretty flimsy to begin with, and the additional torque side to side might well be an issue. With that said, I did that on my current trailer but had 2" square tubing welded across the trailer from one hanger to the opposite side hanger. Just a lot of cost and trouble.the Correct Trac system looks interesting. Wonder if most shops are set up to do an alignment with it?

MFL wrote:I've no personal experience with them, but some say, due to side pressure on suspension, they are not a good idea. Others claim good experience, if only an inch or so blocks. Many FWs come with extra holes in the hangers for use of optional 16" wheels/tires.The correct-trac system will raise a couple inches, and may be a better option.JerryI'm with you, Jerry. The Correct-Trac would be a =much= better alternative, IMO. Useful, too! :BLyle

Axle blocks for raising trailer | Good Sam Community

MFL
Nomad II
Apr 19, 2019
I've no personal experience with them, but some say, due to side pressure on suspension, they are not a good idea. Others claim good experience, if only an inch or so blocks. Many FWs come with extra holes in the hangers for use of optional 16" wheels/tires.

The correct-trac system will raise a couple inches, and may be a better option.

Jerry
Lynnmor
Explorer
Apr 19, 2019
That's a lot of money for simple blocks with a hole and longer u-bolts.
dryfly
Explorer
Apr 19, 2019
I can see issues with blocks if raised too high, or if blocks not of high quality. I would be hesitant to raise a trailer using the lower set of hanger holes without additional support.

The hangers are pretty flimsy to begin with, and the additional torque side to side might well be an issue. With that said, I did that on my current trailer but had 2" square tubing welded across the trailer from one hanger to the opposite side hanger. Just a lot of cost and trouble.

the Correct Trac system looks interesting. Wonder if most shops are set up to do an alignment with it?
laknox
Nomad
Apr 19, 2019
MFL wrote:
I've no personal experience with them, but some say, due to side pressure on suspension, they are not a good idea. Others claim good experience, if only an inch or so blocks. Many FWs come with extra holes in the hangers for use of optional 16" wheels/tires.

The correct-trac system will raise a couple inches, and may be a better option.

Jerry

I'm with you, Jerry. The Correct-Trac would be a =much= better alternative, IMO. Useful, too! :B

Lyle
garyp4951
Explorer III
Apr 19, 2019
trailer raising thread
2naEagle
Explorer
Apr 19, 2019
dryfly wrote:
I can see issues with blocks if raised too high, or if blocks not of high quality. I would be hesitant to raise a trailer using the lower set of hanger holes without additional support.

If the lower set of hanger holes will give you what you need you can put the X-factor on it also. I believe that all trailers need some kind of crossmembers on it.
Retired_JSO
Explorer
Apr 19, 2019
You will be way ahead of the game by cutting the hangers off and welding the square tubing to the frame. Then re install the hangers with a 1 1/2” tube welded perpendicular to the frame from hanger to hanger. You accomplish the height issues along with the frame flex you will get when turning sharply.
routemaster
Explorer
Apr 19, 2019

This what I did to raise my E up 2ins also made a cross brace to help to stop sway.
dryfly
Explorer
Apr 20, 2019
Retired JSO wrote:
You will be way ahead of the game by cutting the hangers off and welding the square tubing to the frame. Then re install the hangers with a 1 1/2” tube welded perpendicular to the frame from hanger to hanger. You accomplish the height issues along with the frame flex you will get when turning sharply.

As I stated in my second post this is what I did on my current trailer. Would like to keep it more simple if possible, and that's why considering blocks. At the time I did the modifications on my trailer Lippert would not warranty the frame if any welding to the frame was done unless their technician did it.

The Correct Track system concerns me. Adding extra length to hangers puts too much stress on them. There is an interesting video on YouTube showing the stress this system generates while going down the road.

I've read lots of good and bad comments about blocks but I'm having a hard time understanding why 2" or less blocks would be an issue. If it were used on an axle that experienced a lot of torque, such as a vehicle drive axle, I could see why it would eventually fail. On a trailer the only torque would be from hard braking.
dryfly
Explorer
Apr 20, 2019
routemaster wrote:

This what I did to raise my E up 2ins also made a cross brace to help to stop sway.

I can't tell much from your picture. Can you describe what you did please?