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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

PLEASE DO NOT START SHOW & TELL TYPE THREADS IN THIS FORUM

Here's the PLAN!!

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Old Oct 10, 2008 | 12:03 PM
  #11  
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Originally Posted by jeepsanddrums
Yes....I would definately lift a 4 door 3.5" or more. Not only does it look better, but when your going through boulder fields it's nice having a little bit of ground clearance underneath the jeep. A body lift works well for tire clearance but does not lift your transfer case, gas tank, etc...

Also.......after adding bumpers, winch, camping gear, airing down, etc...., your jeep will be sitting slightly lower.
Ah, great point. Yeah, it appears it would be worth it to just do the drive shaft mod and get the higher lift.

I knew I came in here for a reason...LOL.

Thanks,

Mac
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Old Oct 10, 2008 | 12:04 PM
  #12  
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Originally Posted by N2rock
Sorry- it's NOT contrary to what some have said...

What I'm talking about is the front driveshaft. You are correct in that you don't have to do the rear driveshaft with the 4drs because it is less angle... BUT the 4dr with automatic transmissions have a problem of the FRONT driveshaft rubbing on the transmission pan and/or transmission skid. This is well documented. And I have personally witnessed it happen on 2 different 4drs on the trail- rips that front driveshaft boot right off.

You are talking about the rear driveshaft. I'm talking about the front driveshaft

And if I'm not mistaken, I "think" it is an issue with the 2dr's with automatics too.
Is there a certain brand or type front drive shaft you'd recommend for this modification?

Mac
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Old Oct 10, 2008 | 02:04 PM
  #13  
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Originally Posted by Breaktrack
Is there a certain brand or type front drive shaft you'd recommend for this modification?

Mac
JE Reel makes driveshafts for the JK and are sponsors of this forum! There are also a few others who make them as well.
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Old Oct 10, 2008 | 02:16 PM
  #14  
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Originally Posted by jeepsanddrums
JE Reel makes driveshafts for the JK and are sponsors of this forum! There are also a few others who make them as well.
Is this one of those cases where you have to do the measurements first, or is there a pretty standard drive shaft that is used in these instances?

Thanks,

Mac
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Old Oct 10, 2008 | 02:21 PM
  #15  
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Originally Posted by Breaktrack
Is this one of those cases where you have to do the measurements first, or is there a pretty standard drive shaft that is used in these instances?
I have JE Reel shafts as well. They'll make them based on the size of the lift you have. You shouldn't have to measure.
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Old Oct 10, 2008 | 02:22 PM
  #16  
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Originally Posted by Breaktrack
Ah, I see. So 4 Wheel Parts is not recommended? Didn't know that. I'll look for someone in the area who can recommend a good shop, thanks. I'm not sure whether to do the drive shaft, or to do the additional body lift as some others have said, I'll have to think on that and see what other advice I get.
I've never known anyone to have good experiences with anything other than simple accessory add-on stuff. I'm sure there are some random good ones, but the impression I get is that mechanical skills can be learned on the job there. They'll never touch my Jeep.
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Old Oct 10, 2008 | 02:58 PM
  #17  
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Change the front driveshaft. Go with any of the sponsers here that make driveshafts. If I were you I'd change the rear too, but thats me...I like to over build things Also go with the 5.13 gears for more power

Here is a list of future add ons:
1. Hypertech
2 Diff covers(ARB)
3. Chromoly axels front and rear
4. Crown brake lines
5. AEV hood
6. AEV snorkel
7. Woods relocations kits for muffler, SS and evap
8. last but not least...as a matter of fact this should be next...a set of adj control arms. This will improve your ride.
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Old Oct 10, 2008 | 04:06 PM
  #18  
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You could try this out and let us know how it works...

2007 - 08 Jeep Wrangler JK and Rubicon 2 and 4 Door Models 5" Suspension System with SSV Shocks - Part # J4614SSV

Engineered by Jeep enthusiasts with sportsmen and rock crawlers in mind.
Trail Master coils and SSV shocks for a great ride on and off-road.
Standard quick disconnect sway bar links.
DOT approved braided steel, kevlar lined brake lines for front and rear included.
.156 Walled DOM tube replacement upper and lower control arm with flex joint for mavimum articulation.
Replacement front and rear track bars with heim joint ends for proper geometry and bind free movement.
An affordable package for the off-road enthusiast.
Fits 2 and 4 door JK, JK X and Rubicon models.
Easily accommodates 35" tall tires.
Kit includes detailed instructions and all necessary mounting hardware.
Easy to install: approximately 4 to 6 hours installation time.
OEM factory CV joints cannot withstand the new differential angles produced by lifting the vehicle thus wearing standard CV driveline prematurely. Therefore Trail Master Suspension strongly recommends upgrading to our front and rear double cardan drive lines for added durability and reliable off-road performance. Trail Master offers the convenience of purchasing suspension systems complete with drive lines or the option of purchasing the drive lines at a later date. Complete Kits: 2-Door Model PN J4615SSV / 4-Door Model PN J4616SSV Drive Lines: 2-Door Rear PN 951302 / 4-Door Rear PN 951304 / Front 2 & 4 Door Models PN 951303.
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Old Oct 10, 2008 | 04:59 PM
  #19  
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sounds like a good plan.
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Old Oct 10, 2008 | 05:23 PM
  #20  
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From: on the banks of the ocmulgee , GA
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I have not done any research on the prices of gears, there fore I am not qualified to make any statement about this issue but it seems to me if ya want 5:13 gears you would be spending the same as if you got 4:88 gears. Now if it was me and I was using this for a DD I would not go with the 4.88's or the 5:13's. I beleive 4:10's are sufficient for 35" tires. If you are just gonna play with your JEEP go with the 5:13's. As for your lift. I believe a body lift is superior over a suspension lift. A suspension lift moves the complete weight of your vehicle to a higher center of gravity. a body lift leaves your engine tranny and transfer case closer to the ground therefore your center of gravity while still being higher than stock is not as high as a suspension lift. Since stock JK's such as the Rubicon come from the factory with 32" tires I would guess that you only need 1.5 additional inches to clear 35" tires. One fellow on this forum was saying he ran 35" tires with no lift at all. He installed aftermarker fender flares that allowed him to clear the larger diameter tires. That is where your ground clearance is gonna come from, larger diameter tires. If you can get the clearance to run 35's without a lift your center of gravity would be lower. Still be higher than steck because of the larger diameter tires. Higher center of gravity equals to more easily rolling your JEEP. Think hard on that.
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