Dobinsons 5th Gen T4R Suspension options - from Exit Offroad

I still have them here and have had trouble finding a local tester to run them on. Anyone around Miami with a new and stock-weight 4Runner???
I'm just south of Cincinnati. Close enough? :nod:

Those springs won’t work with the 6112’s, because the 6112’s are larger in diameter.
Makes sense as to why you can't buy just 6112's :moping:

Oh, ok. For some reason I thought that link was part of your signature. *♂️ I’ll check it out. Thanks.
I was gonna say....there's tons of info in the thread he linked.
 
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I’ve read through the full thread, so I hope I did not miss this, but how does the spring rate compare between OEM and the standard Dobinson spring coils? The 586lb listed seems pretty identical to stock, which have been reported in a range between 525-575. I’m hoping for something a little stiffer than stock to handle extra weight of a rooftop tent.
 
I’ve read through the full thread, so I hope I did not miss this, but how does the spring rate compare between OEM and the standard Dobinson spring coils? The 586lb listed seems pretty identical to stock, which have been reported in a range between 525-575. I’m hoping for something a little stiffer than stock to handle extra weight of a rooftop tent.
You've kind of answered your own question. Stock front coils are in a range, but from what I've seen, all on the lower end of 500's. So 586LB is easily 10% more spring rate than stock.

And for your RTT, that's rear spring rates you need to be looking at, since those generally affect the rear end more, and we have several rear spring rate options.
 
Dobinsons Rear Coil Springs

Anyone run the Dobinsons Rear Coil Springs (C59-701V), heavy rear sping, anyone have a picture of the actually spring and pic of their rig have it on?
 
Anyone run the Dobinsons Rear Coil Springs (C59-701V), heavy rear sping, anyone have a picture of the actually spring and pic of their rig have it on?

Here you go. It all depends how much weight you have in the truck though, and what accessories and tire size you have for how it will look. If you have a 5th Gen and don't have at least 600LBS constantly in the back, they're not the coils for you.
 

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Awesome, thanks. Working on bumpers right now. planing on doing a dual swing with tire carry and things. So what if I don't have the weight, will it be a rougher ride? And these spring are designed for your guys' rear upper and lower links right?
 
Awesome, thanks. Working on bumpers right now. planing on doing a dual swing with tire carry and things. So what if I don't have the weight, will it be a rougher ride? And these spring are designed for your guys' rear upper and lower links right?

It’s not a rough or harsh ride unloaded due to their progressive nature, it’ll just sit tall. Like 4+ inches of lift tall. A few hundred pounds does a lot to level it out.

You’ll want to keep an eye on your weights cause if you lift the rear enough you’ll need to start looking into a double cardan driveshaft and adjustable links.
 
Awesome, thanks. Working on bumpers right now. planing on doing a dual swing with tire carry and things. So what if I don't have the weight, will it be a rougher ride? And these spring are designed for your guys' rear upper and lower links right?

The baseline is that if you don't have 600LBS of weight, don't put those coils in.


Yes, our rear uppers and lowers will work great with these springs, as well as anyone else's, since they have tons of adjustment in them. You can really tune the rear pinion angle really well with them, and I strongly suggest running the rubber bushings that we supply with them so that you don't get that dreaded "poly squeak".
 
Yesterday I switched from C59-327 rear coils to the 329s after just 450 miles. I under estimated the weight due to my 3rd row seat, rear bumper with tailgate, gas cans, yada, yada, yada. I like a small rake but it went away with the 327s. I thought the ride would be harsh with the change but it rides perfect now. Before and after pics. Sorry for the crappy pictures. I’m no photographer.
 

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Finally got some free time to install. Big thanks to [MENTION=96425]JSparky[/MENTION] and @dobinsons_mike for answering all of my questions and helping out.

For the fronts we used

C59-726 - 100-220LBS heavy load front weight, 2" lift. 385/380mm, 18mm wire, 730LB

For the back we used.
C59-723 - Stock rear end, 1.25" to 1.5" lift, offset height coils for KDSS leveling. 420/405mm, 17mm wire, 228LB

I have some drawers I built with camping gear in there along with the roof rack and sliders so far. I still need to install the c4 lopro bumper and winch.
 

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long term review?

Anybody have a long term review on their dobinsons? I like all the different height options they offer and their customer service seems great but I am still stuck between a full lift from them or 5100s. Also maybe a comparison of ride quality between dobinson vs ome vs 5100. Thanks!
 
Finally got some free time to install. Big thanks to [MENTION=96425]JSparky[/MENTION] and @dobinsons_mike for answering all of my questions and helping out.



Looks good. Which coils did you go with in the rear?


Sent from my iPad using Tapatalk
 
Looks good. Which coils did you go with in the rear?


Sent from my iPad using Tapatalk
For the fronts we used

C59-726 - 100-220LBS heavy load front weight, 2" lift. 385/380mm, 18mm wire, 730LB

For the back we used.
C59-723 - Stock rear end, 1.25" to 1.5" lift, offset height coils for KDSS leveling. 420/405mm, 17mm wire, 228LB

I have some drawers I built with camping gear in there along with the roof rack and sliders so far. I still need to install the c4 lopro bumper and winch. I do have measurements but not with me.
 
Been following this thread on and off for the past few months, Is there any update for the TRD Pro spring replacement kit for the extra 2 inches of lift? I'm wanting to lift my Pro but keep the shocks and want to stay away from the toytec setup since it's spacer. Also upgraded weight springs would be a bonus since I got a Gobi rack, sliders and soon a front bumper.

Thanks
 
Been following this thread on and off for the past few months, Is there any update for the TRD Pro spring replacement kit for the extra 2 inches of lift? I'm wanting to lift my Pro but keep the shocks and want to stay away from the toytec setup since it's spacer. Also upgraded weight springs would be a bonus since I got a Gobi rack, sliders and soon a front bumper.

Thanks

waiting as well...
 

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