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-   -   Icon rear spring questions. (https://www.toyota-4runner.org/5th-gen-t4rs/285490-icon-rear-spring-questions.html)

RustyAb 04-27-2020 11:39 PM

Icon rear spring questions.
 
Hey guys, I’ve done some searching lately and been seeing a mixed bit of responses. So I’m looking to keep 2” lift in the rear. Right now I’ve got a 1” spacer plus airlift bags (tow a holiday trailer). I have a shrockworks bumper with swing out, home made cargo boxes in the back, maybe 100, lbs of gear in the back at all times.

I originally ordered icon overland springs but now I’m thinking 2.5-3” is out of my realm. I was just about to pull the trigger on some of the 2” icon springs, but then I read of issues of a lean, and people that are loaded up are seeing less than 2”.

Can someone that has a rear bumper and about the same weight chime in and let me know how these 2” coils settled for you? Thanks!

GX4SEVEND 04-28-2020 02:45 AM

The icon overland springs are stiff. Like really stiff if you don’t have weight. You might not even have enough weight. I took mine out. But I wanted a 3”+ rear coil.

I’d look into dobinsons to see what they have to offer. King also makes springs in about any configuration you want.


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TheWraith 04-28-2020 10:16 AM

I had my 3" ICON overland springs ... They were alittle stiff and gave me the Komifornia rake look. But once I took out my sliding tray replaced it with a 3rd row. It evened it out. Might need to look for something little bit more when I install a metal rear bumper in there...

mikey's2010SR5 04-28-2020 01:12 PM

The ICON Overland springs should be good for you. I have a similar setup and have been happy. I personally don't think they are stiff at all with the weight. I have a full rear bumper and storage drawers in the back with a GOBI rack.

RustyAb 04-28-2020 03:41 PM

Quote:

Originally Posted by mikey's2010SR5 (Post 3480322)
The ICON Overland springs should be good for you. I have a similar setup and have been happy. I personally don't think they are stiff at all with the weight. I have a full rear bumper and storage drawers in the back with a GOBI rack.

Thanks! Looking through your build link now. Exactly what I was goin for.


Luckily the rear springs are easy as shit to pop in and out so I might just install them and test it out..

Xtremluck 04-28-2020 04:22 PM

Quote:

Originally Posted by RustyAb (Post 3480456)
Thanks! Looking through your build link now. Exactly what I was goin for.


Luckily the rear springs are easy as shit to pop in and out so I might just install them and test it out..

I used to run Overland 3" springs but found them way too soft. Im probably a tad heavier than you are with my roof top tent but even without it I was constantly bottoming out and reverse raked when I was at full trip weight. I still think the OME 899s are really the only good option for folks who have heavy rear bumpers and carry full trip weight loads.

comtn4x4 04-28-2020 04:33 PM

Quote:

Originally Posted by Xtremluck (Post 3480486)
I used to run Overland 3" springs but found them way too soft. Im probably a tad heavier than you are with my roof top tent but even without it I was constantly bottoming out and reverse raked when I was at full trip weight. I still think the OME 899s are really the only good option for folks who have heavy rear bumpers and carry full trip weight loads.


Interesting... You think the 899's can handle a heavier load than some of the Dobinson's options? For my setup their variable rate coils have worked great, especially since for me the difference between dry and trip weight are so significant

RustyAb 04-28-2020 04:37 PM

Quote:

Originally Posted by Xtremluck (Post 3480486)
I used to run Overland 3" springs but found them way too soft. Im probably a tad heavier than you are with my roof top tent but even without it I was constantly bottoming out and reverse raked when I was at full trip weight. I still think the OME 899s are really the only good option for folks who have heavy rear bumpers and carry full trip weight loads.

Really? I havent really looked into the ome’s before. Is the 899 the medium coil? I feel like I don’t have enough for a true heavy coil and would find it super stiff. Mediums with the airlift bags might suit me good.

TheWraith 04-28-2020 04:59 PM

Quote:

Originally Posted by Xtremluck (Post 3480486)
I used to run Overland 3" springs but found them way too soft. Im probably a tad heavier than you are with my roof top tent but even without it I was constantly bottoming out and reverse raked when I was at full trip weight. I still think the OME 899s are really the only good option for folks who have heavy rear bumpers and carry full trip weight loads.

the OME 899's ... does that imply there 899lbs springs ???

Right Now; Fully loaded w/ 6people and 3 full pelican 1650's in the roof rack, 2 large suit cases in the rear, and full ice chest... the rig rides comfy with the overland springs.

Im going to purchase a metal rear bumper soon and mount a Titan spare tire fuel cell on there. And I have a 3rd row... Do you think the OME's are a better option than the overland.

TotalAutomotiveLV 04-29-2020 03:25 PM

Quote:

Originally Posted by TheWraith (Post 3480511)
the OME 899's ... does that imply there 899lbs springs ???

Rear OME Coils are definitely an option to look into;

Part #2889, Medium Load (3" Lift) - Good for about 200-400lbs of aftermarket weight.

Part #2898, Heavy Load (3" Lift) - Good for about 400-600lbs of constant aftermarket weight.

Part #2899, Heavy Load (3" Lift) - Good for about 800-900lbs of constant aftermarket weight.

Of course, 5th Gen builds may vary.

http://d5otzd52uv6zz.cloudfront.net/...fda62a-800.jpg


Dobinsons Rear Coils are another great option.

_

RustyAb 04-29-2020 08:42 PM

Quote:

Originally Posted by TotalAutomotiveLV (Post 3481059)
Rear OME Coils are definitely an option to look into;

Part #2889, Medium Load (3" Lift) - Good for about 200-400lbs of aftermarket weight.

Part #2898, Heavy Load (3" Lift) - Good for about 400-600lbs of constant aftermarket weight.

Part #2899, Heavy Load (3" Lift) - Good for about 800-900lbs of constant aftermarket weight.

Of course, 5th Gen builds may vary.

http://d5otzd52uv6zz.cloudfront.net/...fda62a-800.jpg


Dobinsons Rear Coils are another great option.

_

If 8 went with the medium load, do you think I’d get down to about a 2” lift? 3inches is getting a bit higher than I want. Dobinsons has a 2” spring

Xtremluck 04-30-2020 08:57 AM

Quote:

Originally Posted by comtn4x4 (Post 3480497)
Interesting... You think the 899's can handle a heavier load than some of the Dobinson's options? For my setup their variable rate coils have worked great, especially since for me the difference between dry and trip weight are so significant

I know Dobinson has come out with some heavier variable coils but at the time the heaviest option didn't seem enough. I had a guy I know on them who had a similar setup as me and he was sagging. The newer options may be better.

Xtremluck 04-30-2020 09:04 AM

Quote:

Originally Posted by RustyAb (Post 3480498)
Really? I havent really looked into the ome’s before. Is the 899 the medium coil? I feel like I don’t have enough for a true heavy coil and would find it super stiff. Mediums with the airlift bags might suit me good.

Really depends on how you use your rig. Mine is a dedicated off road vehicle and when I venture on dirt im fully loaded for 1-2 weeks of food, water and have a full set of tools and spare parts. Usually travel at a decent pace and often navigating rough washboard roads and whoops. I still bottom out my 899s from time to time.

I've never been a huge fan of air anything in off road suspension. Unless it is on my mountain bikes :)

Xtremluck 04-30-2020 09:08 AM

Quote:

Originally Posted by TheWraith (Post 3480511)
the OME 899's ... does that imply there 899lbs springs ???

Right Now; Fully loaded w/ 6people and 3 full pelican 1650's in the roof rack, 2 large suit cases in the rear, and full ice chest... the rig rides comfy with the overland springs.

Im going to purchase a metal rear bumper soon and mount a Titan spare tire fuel cell on there. And I have a 3rd row... Do you think the OME's are a better option than the overland.

It's for 3" of lift for a rig that has 800-900lbs of constant weight. You will be surprised how quickly weight can add up. I also like to keep the rear at a higher height. Its super useful when dropping off of things like rock shelfs for instance.

JSparky 04-30-2020 11:43 AM

I went from Dobinsons 701v to OME 899 to Dobinsons 749v.

With all the weight I carry I was finding the 701’s a little soft. The 899’s were great but I missed the down travel variable coils gave me. Attempted to mediate this with some poly spacers, but ended up going 749v when they came out and love them. I have a hybrid extended travel shock with 2” bump stop extensions and rarely bottom out.

I still prefer the predictability of a linear coil like the OME for on-road, but off-road you cant beat the travel of a variable rate.

The Dobinsons will ride tall when unloaded, where as a linear coil will just ride firmer (little tall, but within range). What this means is you may need to look at other components depending on your specific setup, like rear control arms to correct your pinion angle, longer sway bar links, etc, depending on typical ride height.

I admittedly went pretty tall with my build, probably running the 749v’s on the lighter side, but when loaded up for a trip it’s nice and level, which is how I like it.

For what it’s worth, I sold my 899’s to a buddy with no rear bumper, just a drawer system and fridge, and he doesn’t think they’re too stiff. Your results may vary.


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