First I secured the vehicle with wheel chocks on the forward side and the back side of the wheel on the opposite end of the vehicle while jacking up the end I was working on.
I figured while jacking the vehicle up, I could do it two different ways. One way I could jack up the front or back of the vehicle and place tall jack stands under the frame and allow the axle to droop, taking weight off the shackles. Or I could use the strength of the bumper and jack the bumper up while leaving the wheels on the ground. That way I could lift until the shackle bolt slid out easily.
I chose this method. I took great care as not to allow the jack from slipping off the bumper and make sure the vehicle would not roll while doing the shackle work. When the bolts slid out easily, I put the new shackles on top bolt first.
Then jacked the vehicle up another 2 inches until the bottom bolt could slide through. Overall the shackles came out great. I toned down the color a little bit to black because the yellow was just too much.
But performance wise, they do just as well as any other catalog bought shackle and in the end I have a drill press for all those other projects! Obviously you can get kits to do the job. Many kits come with such things as greasable shackle bolts and new Polyurethane Bushings.
Greasable Shackles Greasable shackles are basically shackle bolts with a hole drilled down the center and a grease fitting on the bolt head. Half way down the shaft of the bolt, a small hole comes out the side, allowing pressed in grease to come out of the bolt into the tube.
The tube should have a small hole in it allowing grease to come out of the tube, and behind the polyurethane bushings. The grease will improve ride on and off road. The angle change will depend on a few things like how long your leaf springs are and what your pre-existing angles are. However most shims are aluminum. Aluminum compresses over time and can actually loosen up the u-bolts that hold the axle to the leaf springs.
Shims have actually been known to break in half and spit out of the axle leaving a very dangerous condition. Additionally you should never use shims on the front axle because if they ever come loose or come out completely, you could loose control of the vehicle. The goal was to build a […]. Though it may be a rare event to poke a […].
Second, a longer shackle will change the angle of the shackle tending to stand it more verticle which makes the ride a bit harsher. You are right on track. However, using em brings to mind the fact that everything has to be looked at as a whole and not individual parts.
Do you plan on running lift springs in order to fit 38's or better? If you're staying in the 35 range, then flat springs will be just fine, with a lower overall height and better ride. Even with 35's your main interference is going to be the bottom rear of the front fenders, so be ready to ditch em for bigger tires.
As for castor vs pinion angle, I would never say to choose pinion angle first, wether its a road rig or not. Castor is just as important at 20 mph down a fire road as it is on the highway. Definatly cut and turn the front axle so you are not compromising angles. I would recommend to run only as long a shackle as you need, why give up approach angle when you dont have to. Like I said, shackles are cheap and easy to make, so if you find yourself not needing an extra 1.
First, pick the tire size, then worry about suspension, then set angles on the axles, bolt it all together, and finally fine tune things.
To stop the shackle inversion as Mike posted, a set of stops for the shackles is pretty easy to make, I'll be doing some eventually, which may not completely save springs, will at least stop the inversion. Hopefully I've given you more questions than answers, there's alot to plan out before touching a wrench. Mean Max. Shortest I could find with welded center. Using with 2. Joined: Jul 18, Messages: 4, An example maybe Warrior model number and front and rear.
These are greasable. Getting this from Morris 4x4. Last edited: Mar 24, FinoCJ , Mar 24, An inch and even and inch and a half is the max though so he hit it right dead in the middle. I also want to note that my 1. These are not homemade. They are by Warrior Products. Here's a pic c. Forum related. Join thousands of other Jeep fans as we tackle Wrangler problems and more. You'll be able to meet friends, as well as get help repairing and upgrading your Jeep.
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