Advice/Recs for Heavy-Rated Rear Springs

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Joined
Apr 3, 2022
Threads
2
Messages
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Location
St. Louis
This recent year I've installed a few new aftermarket additions to my FZJ80, and with that came a lot of extra weight (mainly in the rear) that my current springs don't appreciate too much. Without extra cargo in the back there is a slight difference in wheel-well clearance when compared to the front, and with even an extra 100-200 pounds of added cargo there is noticeable sagging in the rear.

So, I obviously need to upgrade to rear springs rated for a higher load.

Doing some rough addition:
aftermarket bumper + spare tire = 262 lbs
drawer system = 135 lbs
roof rack (with minimal gear on top) = 65 lbs
auxiliary tank (excluding weight of gas) = 85 lbs

The total constant load out at about 500 lbs (including typical extra 6 gals gas I keep in aux tank and misc. cargo). Account for a full 24 gallons of gasoline in the aux tank and that jumps to about 700 lbs. Occasionally I will load one or two 5 gallon jerry cans for water if I'm doing a long trip, so give another 40-80 lbs for that, and maybe 50-100 lbs of luggage.
So, on a "fully loaded" trip I may be hauling around 800 lbs of extra weight. There are so many options out there for this type of thing, so I'm unsure where to start. I was thinking I'd either stick with OME brand springs, or switch to Dobinsons if needed.

I'd love to hear y'all's thoughts on which options may be appropriate for this weight/setup. Also, any suggestions on additional part replacements that might be necessary with this kind of added weight are appreciated.
Thanks!
 
I went to slee heavies progressive springs for 4 inch lift. Before about same weight set up as you, Dobinson flexi 4 inch springs sagged bad, then threw in some slee med needed a spacer on pass side. Slee heavies no spacers holds weight good, good on driving as well, reduced some of my body roll as well.
Weight wise on back slee bumper with 37 on it. Rear drawers, fridge and gear when loaded. No back seats.
 

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