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Old 01-18-2021, 08:47 PM   #1
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DIY Shocks Project Pinnacle

I am going to put shocks on my Pinnacle. Have not found any kits I like. I decided to make my own brackets and find a shock to work with them.

Will try to document the project.

It starts with a sketch. Not the best sketch. But I can follow it.
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1 Sketch 1.jpg   2 Sketch 2.jpg  
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Old 01-18-2021, 08:52 PM   #2
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Scaled drawing. Layout on kitchen table. Worked on it for 2 days. Before the wife moved me to the garage.

Found a Rancho truck shock that should work well with the length and travel.
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4 Table Layout.jpg   3 Shock End.jpg   5 Shock Working.jpg  
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Old 01-18-2021, 09:01 PM   #3
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Bracket fabrication

Attaching 2 trailer width cross frame rails with 2 cross members.

Mounting the shocks a bit inboard.
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6 Cross Members.jpg   7 Fram End Connection.jpg   8 Fram Welded.jpg  
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Old 01-18-2021, 09:06 PM   #4
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Lower shock mount.

Initially fabricated lower shock mount with the intention of welding onto the axle.

Was worried about the welding slightly changing the axle metal properties or shape change.

Reworked lower mount. Lower mount will now attach with a large u-bolts.
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9 Shock Mount Axle.jpg  
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Old 01-18-2021, 10:34 PM   #5
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Nice work on the brackets.
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Old 01-18-2021, 11:52 PM   #6
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That's quite a project. Keep us up on your progress, and I hope it all goes according to plan.

Oh, nice shop, too!
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Old 02-05-2021, 11:44 PM   #7
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Brackets are back from powder coating.

Plan to install tomorrow. Keeping my fingers crossed, hope everything fits.

Was going to install solar panels this weekend. Worried it is to cold for Dicor application. Will move to another weekend.
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Old 02-05-2021, 11:58 PM   #8
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Wow, that is some good work there keep us posted.
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Old 02-06-2021, 08:37 PM   #9
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Mounted the upper cross members and shock mounts.

A bit of a challenge with mounting to the 2X2 square tube. Ended up welding a nut to a thick washer and then welding that to a 1.5x5 flat plate. Slide that into the 2x2 square tube.
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1 Powder Coated.jpg   2 Lower Mount.jpg   3 Upper Installed.jpg   4 Upper Installed.jpg   5 Upper Installed.jpg  

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Old 02-06-2021, 08:55 PM   #10
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Mounted the upper cross members and shock mounts.

A bit of a challenge with mounting to the 2X2 square tube. Ended up welding a nut to a thick washer and then welding that to a 1.5x5 flat plate. Slide that into the 2x2 square tube.
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Old 02-07-2021, 07:05 AM   #11
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Nice looking work---
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Old 02-08-2021, 09:31 PM   #12
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Installed the lower mounts and shocks.

After I put a few miles on the 5th wheel, I will put 4 short welds on the lower brackets. Attaching the brackets to the axles. Will still use the u-bolts. Just to ensure no long term bracket rotation.
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Shocks 10.jpg   Shock 11.jpg   Shock 12.jpg   Shock 13.jpg   Shock 14.jpg  

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Old 02-09-2021, 09:53 AM   #13
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Why did you attach the shock directly to the axle? Seems like that would be a lot of stress on the axle. Most kits attach the lower bracket to the U bolts.
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Roadmaster Shocks2.jpg  
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Old 02-09-2021, 10:24 AM   #14
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Did you have a bad ride that made the shock addition necessary?
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Old 02-09-2021, 06:36 PM   #15
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The Roadmaster kit is a good setup. I would recommend everyone use some type of shock kit. Shocks improve the ride. Reduce damage to the items inside the 5th wheel. Extend the life of all suspension components.

I enjoy fabrication. My goal was to improve the shock geometry, strengthen the mounts, and use a longer shock. The force will have no negative effect on the axle.
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Old 02-09-2021, 08:03 PM   #16
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RDTC, you got WAY too much time on your hands! Nice job on it though!! Good call.on the powder coating. I prefer powder coating and have a local guy that does a TON of it and has done a lot for me. Keep us posted on the maiden voyage results.
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Old 02-09-2021, 08:14 PM   #17
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RDTC

Keep up the great work! Wish I had the tools, shop, skills to do such an ambitious mod. Looking great
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