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High-speed wheeling without coilovers and long arms

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#41 ·
ChryslerChris said:
I know this will prompt a lot of "save up and do it the right way!" discussions but I'm throwing this out there anyway.

What I'm trying to do is get a short-arm Jeep to ride average to above-average on whoops, broken terrain and sand dunes. Thinking 40-50 mph on washboard/broken ground without bottoming out or getting too much air time with each tire.

What would you need to do to a short-armed Jeep to allow it to run somewhat well on those kinds of terrain?

I run a cheapo Rough Country 3.5 Series 2 suspension kit and while it has done very well on slow stuff, it's just bearable on-road and downright dismal on the dunes. My visit to Silver Lake in Michigan exposed all the flaws it had - I bottomed out hard on most landings and even while on approach to a dune and hitting ruts along thw way. Once my axles bounced and my wheels started to unload I lost traction and power and couldn't make it up the higher hills. Granted, I have several hundreds of pounds in aftermarket parts on, but I didn't think I'd do as marginally as I did.

I have some feedback from my buddies already: progressive coils, better shocks, possibly bumpstops. I wasn't sure if the AEV geometory correcton brackets would help since they flatten out the front arms - seems like they would.

If anyone is running a fairly good high-speed short-arm setup, can you chime in with your personal experiences? Thanks much!
Click to expand...
Just because I have personal experience with this environment and our Game Changer suspension, I thought I would throw this in.

In Ocotillo Wells, going through the washes with whoops, washboards, etc, our Cloak'd JK (stock engine, Game Changer suspension, MC steel body armor) was running upwards of 70mph.

This was early in 2012 at Tierra Del Sol Desert Safari and one of the first times I had personally pushed our new suspension in that environment. One of our friends in a Hemi'd JK and I decided to race the washes. I won't mention the suspension he had, but we took off, and I watched the speedometer as it climbed from 45-55-65... and the ride was incredibly smooth. I was personally shocked by what our bolt-on high-misalignment rock-crawling suspension was capable of in a pre-runner environment.

Oh... and the Hemi'd JK... couldn't go more then 35 in the same stretch. The suspension just couldn't handle it.

There are lots of great companies mentioned on this thread, but the Metalcloak 3.5" Game-Changer Suspension, as a bolt-on kit with total install time of about 6 hours, truly has set some new standards on what a bolt-on, short arm kit, can do.
 
Discussion starter · #42 ·
Thanks for that input! I haven't researched metal cloak at all but this prompts me to give them a serious look!
 
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#43 ·
I run the teraflex 3 inch full flex with Elka shocks.... to say it rides nice rock crawling and high speed is an understatement. I'm still fine tuning things, and have been researching bumpstops. Joe, please drop the price on the speed bumps PLEASE!!!!!!!:)
 
#44 ·
TeraFlex said:
TeraFlex SpeedBumps do not use the same foam as what Daystar uses, ours lasts and do not need rebuilt after being used. Our SpeedBumps had to survive MOPAR's testing to be used in the MOPAR 3" JK Suspension kit.
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Thats fine and dandy but at the end of the day they are still foam , so how does yours compare to the fox or king bump stops

If could really give some more info on way your foam is better or at least kinda equal to air or oil ones then I would like to hear
 
#45 ·
jaker said:
Thats fine and dandy but at the end of the day they are still foam , so how does yours compare to the fox or king bump stops

If could really give some more info on way your foam is better or at least kinda equal to air or oil ones then I would like to hear
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TeraFlex Tech: TeraFlex SpeedBump - YouTube

TeraFlex will make a video in the future that will show SpeedBumps compared to oil/air bumps. The big difference with SpeedBumps is that you do not get all the resistance when you start to compress. Watch around the 1:00 mark for that info.
 
#46 ·
TeraFlex said:
You do not have to remove the exhaust hoop with a TeraFlex Long Arm kit. I would stick with a short arm with that height unless you really want to spend the money for a long. A 3" short arm SpeedBump/FOX combo works great IMO for most offroading situations.
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Do you have/can you shoot any pics of where the driver-side control arm mounts in relation to that hoop? Much appreciated if you do. :)

The Fox/Speedbump app is now on my Xmas list :)




Forgive my typos. I'm too lazy to proof read on this tiny iPhone screen :)
 
#48 ·
I pulled a couple graphs to compare the compression rates of the speed bumps and air bumps.
This is the Teraflex one pulled from the video above
And this is one I found from a quick google search of a 4" procomp air bump
Link here
http://4wheelonline.com/ProCompAirBumpStop.87707.229887

They seem very similar to me even though they are comparing a 3" speedbump and 4" airbump
 
#49 ·
Another thing to consider with bump can style bump stops is. Where do you plan to mount them with all the oem mounts in the way? I might be wrong here but I don't recall seeing or reading anyone with bump can style stops with the factory spring shock set up.

Teraflex has that market with there speed bumps. Easy of install and perfect for the jk. They are expensive I totally agree with that. But for some applications like the op mentioned these are ideal. Imo



Sent from my PG86100 using Tapatalk 2
 
Discussion starter · #50 ·
frankie945 said:
Another thing to consider with bump can style bump stops is. Where do you plan to mount them with all the oem mounts in the way? I might be wrong here but I don't recall seeing or reading anyone with bump can style stops with the factory spring shock set up.

Teraflex has that market with there speed bumps. Easy of install and perfect for the jk. They are expensive I totally agree with that. But for some applications like the op mentioned these are ideal. Imo



Sent from my PG86100 using Tapatalk 2
Click to expand...
I'm sold on TF speedbumps too. Now I just got to go sell my right kidney to buy them. Oh well, I hope Santa Claus still exists...
 
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#52 ·
frankie945 said:
Another thing to consider with bump can style bump stops is. Where do you plan to mount them with all the oem mounts in the way? I might be wrong here but I don't recall seeing or reading anyone with bump can style stops with the factory spring shock set up.

Teraflex has that market with there speed bumps. Easy of install and perfect for the jk. They are expensive I totally agree with that. But for some applications like the op mentioned these are ideal. Imo



Sent from my PG86100 using Tapatalk 2
Click to expand...
An air bump will mount in the same place as the speed bump and the stock bumpstop. A can can be welded in place of the stock tube or something like the evo "collars" could be used
 
Discussion starter · #54 ·
Mounting an air bump like Fox or Profender in the rear is quite a bit more complicated though. I spoke to a buddy of mine and he mentioned that the entire existing bumpstop mount will need to be cut off, a hole added to thru the frame :eek: and the air bump mount welded thru that hole. Ugh.
 
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#55 ·
ChryslerChris said:
Mounting an air bump like Fox or Profender in the rear is quite a bit more complicated though. I spoke to a buddy of mine and he mentioned that the entire existing bumpstop mount will need to be cut off, a hole added to thru the frame :eek: and the air bump mount welded thru that hole. Ugh.
Click to expand...
That is the exact way the speedbump mounts in the rear of the Teraflex prerunner kit
http://www.teraflex.biz/jk-rear-prerunner-speedbump-bumpstop-kit.html
They make a bolt in rear kit but there have been people on here and other forums state that they are not very effective.
http://www.teraflex.biz/jk-speedbump-3.html
 
#57 ·


I had 4" SpeedBumps mounted on the rear of my JK. Our techs just frenched in a section of tube in the frame for the SpeedBumps to mount into. TeraFlex has 4 different types of rear SpeedBumps and 2 front SpeedBumps.

Mopar style: #992014 foam center $29 #467265 cup $39.95 2.5" of compression




Rear SpeedBumps: #1954760 $463.99 1-5/8" compression


Front SpeedBumps: 3" #1958251 $458.99 4" #1958401 $480.99 6" 1958601 $495.99. Now the 6" uses a 4" SpeedBump with a thicker axle pad. These can used front or rear.

 
#58 ·
We just did a 2013 with speed bumps and fox shocks with the teraflex long arm and I am now trying to figure out how soon I can add the speed bumps and fox shocks to my personnal set up the ride is amazing and the high speed whoops are like they arent even there. Seriously awesome setup. we have built a few with this same setup and havent had a single problem or complaint.
 
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