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Old 09-27-2023, 07:25 PM   #1
~~~Retired Boat Driver~~~
Join Date: Aug 2023
Location: Anacortes, WA.
Posts: 2
Raising the rear end a bit… 2020 Navion

-Hi All-
I’m rolling a 2020 Navion. I love the drivability, soooo much more relaxing than our ol’ gas Chateau, no more ‘white knuckle’ driving. I installed a rear Helwig, rear Konis, and Sumos all around and those made it even nicer to drive. I can’t say which item did most magic because they all went on the same day.
Now, I’d like to bring the rear ride height up by 1.5” or better, 2 “. I’ve tried air bags on an older RV and they presented more problem than benifits, so me not fan now. Now I’m looking at either helper springs or adding another lifting block to the existing ones. I’m guessing the ones on presently were added by WB or Sprinter for the RV weight application.
Question is ; has anyone stacked these spring blocks ? Looks like the existing U bolts could support another 1.5” but not 2”.
Bolt on helper springs on top ?
Anything short of re-arching the main springs ?

Thanx in advance for any intel….

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Old 10-02-2023, 12:19 AM   #2
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Join Date: Mar 2019
Location: South Bend, WA
Posts: 2,256
Hi Dan,
I would recommend that you call a local shop to get custom rear leaf springs; perhaps somebody like this?
Thanks, Eagle5
2019 Minnie Winnie 22M on an E-450 frame
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