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Old 04-16-2016, 01:31 PM
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JKU Rubicon Stock Suspension Load Capacity

Hello Everyone,

I'm fairly new to the forum and have searched for a answer to this but didn't really find anything. It seems like when you start adding armour, bumpers, and winches that this puts quite a bit more load on the suspension and would cause the stock suspension to sag.

I eventually want to do 2-2.5" inch lift, which would come with some more heavy duty springs and shocks, but in the mean time I was considering a winch and new bumpers.

I already am adding the barricade rock rails which seem to be around 60 pounds + bumpers and winch seems like too much.

I could maybe look to upgrade the coils and shocks without a lift if I wanted a temporary solution.

How much can be added to stock suspension before it starts sagging or will cause excessive wear out? I was also curious if adding all the weight was noticeable in engine workload/acceleration for normal driving?

Thanks in advance!

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Old 04-17-2016, 07:05 AM   #2
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A winch and front bumper is going to drop the front both immediately and more over time.

You can toss on a tera 2/1 leveling kit in the meantime but if you know you eventually want springs and shocks you might as well do that sooner rather than later.

I did a Teraflex 2/1 then went to 2.5/1 then MC 2.5 springs then pulled it apart for the fourth time and put a 3/4" spacer on top of the front springs only weeks later. Might be worth it to save yourself the work and get some real springs right off the bat. Even if you go for a performance leveling kit that has springs instead of spacers.

At the least, get some used heavier stock springs. What number are yours? Look at the last 2 numbers on the tags on them.

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Old 04-17-2016, 09:46 AM   #3
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In this case I would suggest doing the lift first. No point wasting money on temporary springs with the final goal to be lift anyway. Start adding it up and it just doesn't make sense. $170 -300 for a pair of front springs that are coming back out in a year. A basic TF 2.5" lift kit with springs is about $500.
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Old 04-20-2016, 08:19 AM
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Quote:
Originally Posted by JTPhoto JK View Post
In this case I would suggest doing the lift first. No point wasting money on temporary springs with the final goal to be lift anyway. Start adding it up and it just doesn't make sense. $170 -300 for a pair of front springs that are coming back out in a year. A basic TF 2.5" lift kit with springs is about $500.
I've been swamped with work the last couple days, but I'll check out the numbers when I'm home tonight. Looking at the load capacity of the stock Jeep Rubicon it states:
Max payload: 1,081 pounds, 4x4

I would think this means add-ons + people shouldn't exceed that. However, the lighter you go the longer stock shocks/springs will last. I do agree with you I should probably just don my lift first.
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