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Suspension & Tires

Site Updated Oct 18th/2001

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  My Jeep's Tattoo's

Rubicon Express 3" - "Ultimate" Lift Kit   

The time comes when the next necessary step is to install larger tires, however the largest tire that will fit on a stock TJ is 31" x 10.5".  I already had BF Goodrich Mud Tires & I wanted to move to a larger size.  I spent a long time deciding which lift kit would be the most appropriate for my Jeep.  I wanted a larger tire but not extremely large.  I decided on the Mickey Thompson Baja Claw (see below).  The Baja I felt would suit me best was the 33" x 13.5", it would be noticeably larger than my 31" x 10.5" BFG M/T's but would not require me to invest in a stepladder to get in & out!!  

This is when the research began!!  I spent a long time posting questions on Dirtroad.com's Jeep Forum pages, questioning many fellow Jeepers through there web pages & reading as much material as possible.   The choice of manufacturer seemed obvious after a short amount of time... Rubicon Express seems to manufacture the lift kits of choice, for many Jeepers.

I spent a lot of money purchasing my Jeep.  With that in mind, I saw no choice other than getting the best kit possible, one that would not only allow me to put larger tires on, not only improve my off-road capabilities but also retain a ride similar to stock, if not better!  I realized that that was a tall order but from the the experience of people I talked to, the "Ultimate" Lift Kit provided that quality.  The secret is the CV Drive-shaft, Slip Yoke Eliminator and adjustable upper control arms.  The CV Drive-shaft & SYE reduce the angle from the transfer-case to the rear pinion.  The adjustable upper control arms allow the angle of the pinion to be adjusted as required.  By reducing this angle, driveline vibration is virtually eliminated & in my case never there!!  The adjustable track bar that comes with the kit also helps correct the steering geometry that is changed by lifting the Jeep's suspension.

 

Completed front suspension shot

Close-up of the completed front suspension (I added the mud) Completed rear suspension

The Rubicon Express "Ultimate" Lift Kit - came with the following:

bullet4 x Coils
bullet8 Control Arms (uppers are adjustable)
bullet2 x Rear Extended Swaybar Links
bulletFront Adjustable Trackbar (w/helm joint)
bullet4 x Long Travel Shocks ( I opted for OME)
bulletFront & Rear Bumpstop extensions
bulletStainless Steal Flexible Brake Lines (front)
bulletSwaybar Disconnects
bulletRear Trackbar re-location Bracket
bulletRear CV Drive shaft (custom length)
bulletRE Slip Yoke Eliminator Kit

                          

Installation:  I won't even begin to detail step by step instructions on how to install the lift, as there are many detailed instructions available on other Jeep owners personal Jeep pages.  I will explain a few problems I encountered during the installation & recommend two web sites that provide detailed instructions that I used.  Harry Brosofsky's Harryworld Jeep TJ Site (unfortunately no longer available) is a valuable resource for lift instructions & other info, and Chad Crowell's instructions for Rubicon Express lifts.  A couple installation pointers though, that I ran into that I did not read anywhere before taking on the project!!

1.  DO not remove rear passengers side trackbar mounting bolt, it is very difficult to get back in.  It is not required to be removed we learned that the hard way!!!
 2.   If you upgrade to Old Man Emu shocks make sure you buy Tera-Flex rear shock re-location brackets.  You may want to notch or cut out a 1" x 3" piece of the edge of the lower spring pad, the large shock canister will not mount without these modifications.  I bought the re-location bracket from Mepco 4x4 Notice bottom shock relocation bracket

Installation Time:    I was lucky enough to have the assistance of a master mechanic Ted Gawlick who happens to be my next-door neighbor.  With Ted's assistance (especially with the slip-yoke eliminator installation), it took us 16 hours total over a three weeknight period!  No doubt we would have been done faster if we did it on a weekend.  All in all the installation went well and aside from having to have the alignment done after the lift, the lift was installed perfect no driveline vibration from day one!!

Cost:       Unbelievably expensive!!!!  Not only was the lift $1600+ USD, the upgrade to OME Shocks was $80 USD, the optional RE Tie-Rod was $134 USD, shipping was a ridiculous $200 USD, I got nailed with an additional $155 CDN in duties & had to pay $105 CDN for the Tera-Flex re-location brackets (including shipping).  The grand total pounds in at $3600+ Canadian Dollars.  Aside from the whopping cost, I believe the lift is the best lift available, and could not be better made (it's just a shame I'm now broke!!)

 

 

 

 35" x 13.5" Mickey Thompson Baja Claws

bulletActually 33-1/2" x 12.5"
bulletBias Ply with 6 ply sidewalls with aggressive side-biters

35" Bias Claws with a stone caught in the tread

These tires are my second set of Claws, one size larger than my previous 33" meats.  Claws have gained a spot in the top five off-road tires (With Interco's TSL & Boggers, Goodyear's MTR's, BF Goodrich MT T/A's).  They work well in most off-road conditions and are acceptable on highway conditions.  In the mud, they have good self cleaning abilities, the soft rubber makes them grip well on rocks (especially down to 8PSI) and they all round are a very capable off-road tire.  For some reason all Mickey Thompson tires seem to be undersized compared to there rated size, however in my situation it's OK since I don't think I'd have enough space for a true 35" tire.  I know from my previous set they can take a beating.  I like the look and I am able to get a good price, so when time came to jump to the next size I thought I'd stick with the Claws!  Mounting tire this big on aluminum wheel with a bias tire can be tricky to balance (especially static balanced), the tire guy I used took his time and actually re-mounted two of them to reduce the amounts of weights required, the end result was a quality mount.

Update May 2001 - I can now say, after having used Claws for many months now, driving with my second set & driving a couple long distance drives (not to mention Toronto to Virginia & back) that I am very please with these tires.  The treads are wearing well for a bias mud tire, although I do rotate them with every oil change.  They work great on the type of trails I do, & when aired down to 8 - 10 PSI they grip amazing.  A word of caution.... when driving long distances on  highways at high speeds, the Claws get hot (you can even smell the burning rubber), they are prone to losing some CHUNKS of rubber when there in this soft pliable state, don't over-do-it!  They are rather loud too at high speed, me & my girlfriend have a "no talking" policy while driving over 110 KM/ hour :)

Cost:    $1300 CAN (plus $150 for balancing/mounting - less $750 for sale of 33"s)= $700.00 CAN

 

 

 

Mickey Thompson "Challenger" Wheels

15" x 8" Mickey Thompson Challenger Wheels

bullet

15" x 8" Hot Forged aluminum one piece wheel, strongest aluminum available.  Not brittle like cast aluminum, rather strong like steel wheels.

bullet

High polish finish.

One of my biggest debates throughout the whole process of getting my Jeep lifted was.. What size wheels do I use on a 12.5" wide tire that is able to be mounted on a wheel 8-10" wide?  Again I made my decision based on the experience of fellow Jeepers who had already made that decision & were able to steer me in the right direction.

The advantages of the 8" wide rim were:  Less chance of damaging my wheel while off-roading, as it is better protected, less chance of loosing my bead while off-roading with lowered tire pressure & it's Cheaper!!  That was good enough for me.  I am extremely happy with my choice the combination of tire & wheel look amazing!

Cost:  $ 110.00 ea (USD) plus $124.00 shipping (USD).  Again the amazing price was compliments of my Grandfather's relations with Mickey Thompson.

Installation:  I had a local company Tire World mount & balance the tires.  I had to pay $15.00 ea (CAN).  Although they were able to balance the tire's on the rims, the amount of weights they used seems ridiculous.  I will have to watch to make sure I don't loose any weights.

 

 

Rancho 5000 Steering Stabilizer 

The stock steering dampener worked, however with the 33" Claws I noticed that when I was traveling fast on roads & I hit bumps, the tires would take over, wanting to follow the groove or my steering wheel would jolt into the bump.  Don't get me wrong it wasn't a safety issue or anything like that, it was just not like stock.  For the small price of a new steering dampener I figured I couldn't go wrong... at worst it would remain the same, at best it would be better.  Since my shocks were Old Man Emu (yellow), I wanted a matching dampener!!  OME to my dismay does not make steering dampeners for TJ's.  Oh well, I decided to go with the trusted ever popular stock replacement.... Rancho steering dampeners.  To solve my little aesthetic problem I ust bought a can of yellow pant & gave it three coats before I installed it!!  It's now a fake OME dampener (I like to think of it as a prototype OME!)

Installation:  Straight forward, although those jam bolts are always difficult to get out.  A little tip I got, do yourself a favour and don't hammer the end of the bolt after you remove the nut (the intuitive thing to do), rather hammer the side of the housing it is mounted too, the nut will just fall out!!!  I promise (same goes for the bolts in the tie rod!! next upgrade).  I decided not to install the rubber boot that comes with the dampener, it would probably just fill up with mud, and since the shock is self cleaning I figured why bother!!

Cost:  $96.00 CAN, well worth it, I noticed a difference right away & the new dampener solved my problem!!

My Rubicon Express Tie-rod & Rancho Steering Dampener

 

My Rubicon Express heavy duty tie-rod

Rubicon Express Heavy Duty Tie-Rod 

Lets face it, the first thing that's going to hit an unseen rock in your path is your tie-rod.  Do to the tight front end space in a TJ, the tie-rod is mounted in front of the Dana 30 axle housing, in a very vulnerable spot.  Although I have never damaged my stock tie-rod, it looks pretty flimsy & it is.  When I bough my lift I figured what's an extra $134.00, at that point it's irrelevant!!  SO I said throw one in.  As my luck would prevail I did not receive my new RE tie-rod until 2 months after I had already installed my lift :-(  Apparently the rods were available, but RE was out of tie-rod end & was having problems getting supply.  I really wanted to install it before I went to Camp Jeep 2000, but no luck.  The day I got home guess what UPS tried to deliver while I was away....  Needless to say I did get it & it is much more impressive than the stock unit, it's pretty, heavy duty & it looks to be well made.

Installation:  20 minutes, like the steering stabilizer, the trick to the bolts is hammering the side of the bolt housings rather than the actual bolt.  They came out relatively easy.  I measured the stock unit adjusted the ends of the new rod to match the length & installed the new tie-rod, no problems.

Cost:  $134.00 USD, expensive but well made & at least I don't have to worry so much about sneak up rocks in my way!!

Update - Lift & Rims are now installed as of June 30th/00.  

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Last modified: October 20, 2001