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Leaf Spring to Torsion Axle Swap

Old 02-18-2015, 05:46 PM
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Default Leaf Spring to Torsion Axle Swap

First things first thanks to EricB85 for the earlier write up and Kevin at Sport Trail for the great deal on axles and answering all of my questions. The axles came with Vortex hubs and all needed hardware including new lug nuts for cheaper than I could get just the axles for locally without the hubs. If I replace this trailer in the future it will be for one of Kevin's custom trailers.

My axles were misaligned (eating tires) and covered in rust so I decided to swap them out for torsion axles. The trailer is a Magic Tilt 2460 for an Action Craft Coastal Bay 2310.

Worn Tires

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Old axles and hubs


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Axles dropped from the trailer
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Trailer without the axles.

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New Tie Down 3500lb with Vortex Hubs

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Getting them fitted to the trailer. Due to the fact the old axles were out of alignment I couldn't just measure spindle to spindle and bolt them right up. I got them measured from the back of the I-beams and front of the I-beams and all measurements were good. So I then measured from the coupler and they were a half inch off on one side. After talking to Kevin I took some measurements only to realize my trailer was not perfectly square. With the boat on the trailer and the trailer on jack stands I decided not to loosen everything and try to make it true. Bolted on the axles based on my measurements and kept going.

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Tires mounted. Next step is to buy some new wheels/tires.

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Sorry I have't taken any pictures after putting the fenders back on but will get those tomorrow and post them up. Took if for a spin down the road and it tows great. Overall job didn't take that long. Probably a few hours with most of that second guessing my measurements. A big help was Kevin's video https://www.youtube.com/watch?v=gDv4...ature=youtu.be and Eric's write up. Again many thanks. Kevin I will be ordering some new fenders and steps in the future.

And to address a few things before y'all call me out.

- Brakes.... those are in the works. But my Rav4 has plenty of stopping power
- The boat needs a good compounding and detail.
- No medium between the galvanized axles and aluminum trailer. I will be doing that.
Old 02-18-2015, 07:22 PM
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I wouldn't put anything between the axles and the beams. Ans since your a Rav4 guy, I'm sure you won't either. I believe this to be a waste of time. Your old axle looks like it didn't do any damage to the beam so why would this one?

I think you did a nice job. To check your squareness you can measure from axle to axle diagonally (front one side to rear other and then the opposite) and the measurements should match.

You can still correct the alignment if it is off. At the front of the trailer where the two beams meet there are some bolts. If your alignment is off, say left side forward, you could loosen those bolts and move one beam forward or back as needed.

Lastly, unless you buy aluminum wheels your new wheels will turn the same color as your old ones in no time. I say keep the ones you have and upgrade the tires.
Old 02-19-2015, 11:15 AM
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.[/QUOTE]

Nice job! Glad everything worked out as planned.
Old 02-19-2015, 01:06 PM
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Originally Posted by cajflynn View Post
I wouldn't put anything between the axles and the beams. Ans since your a Rav4 guy, I'm sure you won't either. I believe this to be a waste of time. Your old axle looks like it didn't do any damage to the beam so why would this one?

I think you did a nice job. To check your squareness you can measure from axle to axle diagonally (front one side to rear other and then the opposite) and the measurements should match.

You can still correct the alignment if it is off. At the front of the trailer where the two beams meet there are some bolts. If your alignment is off, say left side forward, you could loosen those bolts and move one beam forward or back as needed.

Lastly, unless you buy aluminum wheels your new wheels will turn the same color as your old ones in no time. I say keep the ones you have and upgrade the tires.
I will check those measurements and see how close they are. I might mess with the trailer alignment later after I get some miles on it to see if I need to. If I do get new wheels they will be aluminum with radials.

Originally Posted by Kevin Desselle View Post

Nice job! Glad everything worked out as planned.
Thanks Kevin!
Old 02-19-2015, 01:29 PM
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Looks good!
Old 02-19-2015, 06:54 PM
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Originally Posted by wamc0206 View Post
Looks good!
Thanks. Been outside compounding and polishing all day.
Old 02-19-2015, 07:09 PM
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Nice write up - thanks for sharing!

Care to divulge the pricer per axle? They the 2200# variety?
Old 02-19-2015, 07:35 PM
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I have a Magic Tilt trailer with springs and axles that need replacing, my trailer frame width is 79", what was the width of your trailer? Might order the same axles if they will fit.
Old 02-19-2015, 08:13 PM
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How are you going to adjust your axles if you determine they are not aligned right?
Old 02-20-2015, 05:18 AM
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Originally Posted by NauticallyChallenged View Post
Nice write up - thanks for sharing!

Care to divulge the pricer per axle? They the 2200# variety?
I don't think Kevin would care about me posting the price but I sent you a PM just to be safe. They are 3500# axles.

Originally Posted by leonreno View Post
I have a Magic Tilt trailer with springs and axles that need replacing, my trailer frame width is 79", what was the width of your trailer? Might order the same axles if they will fit.
My frame width is also 79" so these would be the correct axles for you.

Originally Posted by Flounder9.75 View Post
How are you going to adjust your axles if you determine they are not aligned right?
They are aligned correctly it is the frame squareness that is just under a half inch off. If I had to move them I would just drill new holes.
Old 02-20-2015, 11:10 AM
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Excellent job, thanks for posting. I am pondering the same thing with my trailer. I hate to bother you, but would you PM me the cost of the axles? Thank you and good luck on getting the axles aligned, CAFLYNN has you the correct track.

Brian
Old 02-21-2015, 12:31 PM
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Stripa sent you a PM.

Here is a pic with the fender back on.

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And a shot from behind.

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Old 02-21-2015, 02:04 PM
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Wait.... I don't see any brake lines!

Looks nice under there for sure!

I got a PM out to Kevin to check on availability.
Old 02-21-2015, 09:08 PM
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Originally Posted by NauticallyChallenged View Post
Wait.... I don't see any brake lines!

Looks nice under there for sure!

I got a PM out to Kevin to check on availability.
My Rav4 will have to pick up the slack! Good thing I got the towing package.

Give him a call and in 3 minutes they will be headed your way!

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