Most up travel (coil sprung) - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 7 Old 02-14-2019, 05:33 PM Thread Starter
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Most up travel (coil sprung)

For the front of a JKU, what is the most up travel on a coil sprung JKU (not coil over) anyone has seen or done? And this would be with a 4-5" lift or under? Right now I'm at 4.25" up before crashing into the chopped factory fenders. I'm running 4" EVO plush rides and it's coming in right at 5" true lift height (measured from bottom of shock tower to lower shock bolt compared to factory measurement). I would love to gain another inch (at least) but the fenders are the obstruction now. I have cut the rear part of the fender opening and chopped my PS bumper to gain full lock to lock turn at full stuff.

40" tires on UD 60s and 4" bs trail ready beadlocks.

18 JKU Granite Crystal- 4"lift, 40s, UD60s
07 Red Rock Crystal JKU - Sold

Last edited by RedRock0740; 02-15-2019 at 05:44 AM.
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post #2 of 7 Old 02-14-2019, 06:22 PM
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Quote:
Originally Posted by RedRock0740 View Post
For the front of a JKU, what is the most up travel on a coil sprung JKU (not coil over) anyone has seen or done? And this would be with a 4-5" lift or under? Right now I'm at 4.25" up before crashing into the chopped factory fenders. I'm running 4" EVO plush rides and it's coming in right at 5" true lift height (measured from bottom of shock tower to lower shock bolt compared to factory measurement). I would love to gain another inch (at least) but the fenders are the obstruction now. I have cut the rear part of the fender opening and chopped my PS bumper to gain full lock to lock turn at full stuff.
What size are your tires? I'm surprised you don't have more room...

EDIT: I posted some factually incorrect numbers before if anyone saw this post before I edit, just ignore those numbers.
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post #3 of 7 Old 02-15-2019, 05:23 AM Thread Starter
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Guess that would be helpful info lol. 40" tires on UD60s with 4" backspace Trail Ready wheels

18 JKU Granite Crystal- 4"lift, 40s, UD60s
07 Red Rock Crystal JKU - Sold
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post #4 of 7 Old 02-15-2019, 07:38 AM
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Metalcloak dual rates are pretty insane. Have had several mechanics comment on them when a shock is disconnected and Jeep is on lift. Other thing about them is they last a long time. Mine have been on for years and no signs of flattening.
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post #5 of 7 Old 02-15-2019, 09:25 AM
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We make 6" lift coil springs and they are what we are currently running on our JK with +8" wider Currie D70's and 40's.

The Jeep is essentially running this suspension system.
https://www.synergymfg.com/jeep-jk-s...tegory_id=4971

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post #6 of 7 Old 02-15-2019, 03:03 PM Thread Starter
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I was really hoping to not have to go to 6" springs. For a rig that mainly does dirt/rock trails, rock crawling, ledges, and fairly steep hills (no rock bouncer stuff here though obviously) should I just live with the 4.25" up? It's not a daily driver but I want it to ride nice on the road. I'm going to look at the fenders to see if there is a way to get them higher or do a custom fender. Or, go to 6" springs?

18 JKU Granite Crystal- 4"lift, 40s, UD60s
07 Red Rock Crystal JKU - Sold
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post #7 of 7 Old 02-15-2019, 03:22 PM
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Quote:
Originally Posted by RedRock0740 View Post
I was really hoping to not have to go to 6" springs. For a rig that mainly does dirt/rock trails, rock crawling, ledges, and fairly steep hills (no rock bouncer stuff here though obviously) should I just live with the 4.25" up? It's not a daily driver but I want it to ride nice on the road. I'm going to look at the fenders to see if there is a way to get them higher or do a custom fender. Or, go to 6" springs?
With tons and 40's, I feel 6" springs give the best combination of up/down travel since bump spacing typically has to be around 4" to keep the coil springs from coil binding whether you have 6" or 4.5" springs. As it is now, it drives amazing on the road and wheels fantastic. Granted, we are pretty wide so that helps, but up travel is just as important as down travel when building a well-rounded vehicle.
There are lots more pictures on our Facebook, but here is an album from Colorado last year with our JK and new JL.
https://www.facebook.com/pg/SynergyM...09219179111772

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