Greasing Maintenance
Last time I was at the Jeep Service Garage, I noticed on the big price board that they charge $59 to rotate tires and lubricate steering and suspension components. Your manual says to grease the steering linkage every 3000 miles and to grease the suspension ball joints every 6000 miles. There are many other grease fittings you may have from aftermarket mods like greasable universals, sway-bar disconnects, and shackles for YJ owners.
Domain: http://www.gotjeep.net
Heim Joints to Remove Bump Steer and Backlash
I picked up Polluto, a 1970 CJ-5, from the P.O. and drove it home. I was at a loss of words when I hit the first bump! I had some major work to do… if I could only survive the drive home. After working on the front end, resulting in new everything (king pin bearings, knuckle u-joints, knuckle seals, wheel bearings, 11” brakes, hubs, shackles, etc) I still had major steering issues. To see the problem, one just needs to turn the steering wheel and observe where all motion goes. There were two problems: bump steer and steering hysteresis (backlash).
When the P.O. jacked the suspension 2.5”, it changed the steering geometry. Bump steer goes as the tangent of the drag-link angle; you want the nominal drag-link angle as horizontal as possible. The following picture shows about a 15 degree angle. In fact the ball joint on the bell-crank is at its maximum travel in its nominal position! This is not good design and has potentially catastrophic stress when the suspension unloads.
Domain: http://www.earlycj5.com
Homemade Shackle Reversal
ince I was starting with just a bare frame, I figured I would do this right, and do the things I had always wanted too, but didn't.
For this shackle reversal I purchased some steel, from a local metal shop, they will sell you their scraps dirt cheap, or their stock steel for usually book price, and they also will usually order it for you if they are not carrying it.
First off, I obtained about 3 feet of some 3" x 3/8" flat steel (This will be used for the underside of the frame), one foot of some 3" square tube (Front solid spring perch), 48" of 1/2" angle iron (3"x 6") (For the front bumper), and some 50" of 2" x 3/8" bar steel (Used for the shackles themselves). You will also need some shackle hangers to weld onto the top of the frame. I used some rear CJ hangers, but you can use the ones off the YJ frame if you are careful grinding them off, I was but someone threw one away on me.
Domain: http://www.jeepgod.net
Hydraulic Steering Bible
An awesome collection of tech on hydraulics and hydraulic steering systems. Not just how to design and install hydraulic steering in a 4x4, but system troubleshooting, reservoir design, hose and fitting catalogues - the works.
Domain: http://www.pirate4x4.com
Hydro Assist Steering Box Tapping
This short article shows how to modify a Jeep steering gear box to allow for hydro assist steering.
Domain: http://www.pirate4x4.com
Inclined-Vehicles
Jeep Accessories at Inclined Vehicles. Specializing in jeep wranglers, off road tires, jeep rubicons and off road, Jeep parts, soft tops and accessories for your Jeep Wrangler, CJ and Cherokee, one source for all the top brands like ARB, Bestop, DynaFlex, Warn, Skyjacker and many more.
Domain: http://www.inclinedvehicles.com
Increased Ground Clearance
Main drawback for a Discovery in the rough stuff, is the general ground clearance. The standard fitment wheels (29") are rather small, compared to a Defender or a series vehicle (32"). Bigger wheels translate directly into improved ground clearance - also giving better angles. The tow hitch and the small wheels will let the Discovery behind, when the Defenders keeps going. But as any thing Land Rover - rectifying this lag-behind is all in the range of some tools and a wallet!!!
Install JKS BPE on OME Shocks
Despite being told it couldn't be done, this write-up describes installing JKS Bar Pin Eliminators (BPE) on OME shocks. BPE's prevent the clunking noise that is common with many shocks.
Domain: http://jeephorizons.com
Installing a Trackbar Relocation Bracket
With a 3.5" suspension lift and a 1" body lift there was some definite binding of the suspension at full extension was evident. This made for a rough ride and a noticable loss of flex on the trail. In order to correct this I decided it was necessary to install a rear track bar relocation bracket in order to realign the rear axle under the Jeep.
Domain: http://www.mhjcontherocks.com
Installing Adjustable Ball Joints
The following is a detailed article regarding the installation of adjustable (and regular) upper ball joints as well as regular lower ball joints with adjustable split ring seat. The upper ball joints can compensate for up to 2 degrees of caster/camber (positive/negative) and the lower sleeve ('84-'89 XJ/MJ only) can add another 1.5 degrees of caster/camber (positive/negative). Caster and camber (positive or negative) are not explained within this article and are assumed to be known concepts. This will hopefully be added to the "General" section at some point in time. Several high-qualitiy special tools are required for this procedure. With the correct tools, this procedure is not very difficult to perform by the average home mechanic.
Domain: http://www.madxj.com
JKS Swaybar Quick Disconnects
Disconnecting your swaybar is a great way to increase the amount of axle articulation you have on your Jeep (vertical wheel travel). This helps you to keep all four of your tires on the ground in very rough and uneven terrain. In my humble opinion, JKS makes one of the highest quality and easiest to use quick disconnects around. From 4x4xplor.com
Domain: http://www.4x4xplor.com
JKS Swaybar Quick Disconnects
How many times have you found yourself screaming profanities as you had your buddy jumping up and down on your bumper in order to reconnect your swaybar links? For us, it was too many. Luckily, though, JKS has come to our rescue with their new swaybar Quick Disconnects. From rockcrawler.com
Domain: http://www.rockcrawler.com
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