suspension lift education
06-26-2007 | 03:26 PM
#11
JK Jedi
Joined: Sep 2006
Posts: 5,567
Likes: 1
From: So. Cal.
[QUOTE=MichaelW;117909]
You are agreeing with me but making it sound like you're not.
Again, just reitterating what I said but making it sound like you are not agreeing.
But pinion angle is also important, hence my reason for calling it a wrestling match.
You agree with me again!
I think everybody's opinion of perfect handling is purely subjective. What I may feel is acceptable, others may not, or vice versa.
.
Again, you agree with me that there is a shift, but because I didn't post the reason for the shift, you imply that my explanation is wrong!
Even more reason to make the adjustment. One axle sticking out to the left, the other to the right. Not good no matter how you phrase it.
Yes really, I am sorry but Jeep has to mount the track bar somewhere and I dont think drilling a hole through the axle is a viable solution, do you? Hence, the need for a bracket. So, what you are saying is that if Jeep says its allright to mount a bracket to the axle, it is perfectly okay to mount another bracket to that bracket. A bracket that is already a little week to begin with.
I dont know who built your Jeep but mine didn't come with my front track bar parallel with the axle. You track bar should be parallel with the steering drag link which adjusts upward along with the mounting point of the track bar. So adding a bracket up front (BAND-AID FIX) could potentially set you up for some bump steer. I stick with my original choice of an adj track bar. Give me your address, I will ship you my unused relocation bracket.
Good to see you finished off with agreeing with me again.
The only reason the distance between the axles gets shorter is because the linear distance between the radius points of the control arms is getting shorter due to increased angles.
Although adjustable control arms is nice, it isn't mandatory.
Although the two are tied together because they are an extension of the axle housing, caster is the important adjustment and pinion angle just has to follow along.
Control arms should allow the caster to fall within factory specs. Fortunately there is a range of "acceptable" caster. Any lift that exceeds this range should provide either adjustable or corrected length control arms.
Are you saying you don't agree that someone is happy or you don't agree that they think their ride is perfect?
Any shift would be because you are increasing the angle on the panhard rod or track bar, thus shortening the distance between two radius points
Again, you agree with me that there is a shift, but because I didn't post the reason for the shift, you imply that my explanation is wrong!
And in the case of the JK where the frame mounting locations are on opposite sides from front to back, then the shift would not be both axles moving to the drivers side, only the front axle would shift to the drivers side without radius point distance correction.
Really? A band aid? Someone should tell Jeep they are band aiding their track bars onto the axle housings.
A panhard bar or track bar works with less geometric complexity if the track bar is parallel to the axle housing that is parallel to the body and parallel to the ground. The ideal location for the axle mounted radius point be in the same line with the axle centerline. The ideal location for the track bar is also along the same plane as the axle. Jeep has elected to band aid on a bracket to keep the track bar along the same plane as much as possible with the axle. Since this bar holds the axle in line with the body it is best that the swing of the arcs from the radius points on the track bar most closely matches the rotational axis of the axle and in line with the control arm points. Since we are discussing lifting a vehicle it would make sense in order to maintain or improve upon the angle of the track bar vs the axle. Increasing the mounting point of either end of the track bar by the distance of the lift will maintain factory geometry and reduce binding by simply lengthening the track bar and increasing the angle to the axle. Since, on the JK the factory has already supplied a band aid bracket on both sides of the track bar it would make more sense to extend the shorter of the two which in this case is the axle radius point location.
Wow. The location and centering of the rear axle is very important and a big concern as this dictates directional stability, handling and overall evenness of the application of forces upon the front axle steering components.
Wow. The location and centering of the rear axle is very important and a big concern as this dictates directional stability, handling and overall evenness of the application of forces upon the front axle steering components.
Again having an adjustable control arm is nice because you can make adjustments but the adjustment of primary concern is that of thrust angle. Being able to additionally adjust your pinion angle is a bonus. But correctly designed non-adjustable control arms should also work in this application.
Either would work to correct caster angle with offset from axle centerline mounting points however the lower is usually easy to access for alignments,
Either would work to correct caster angle with offset from axle centerline mounting points however the lower is usually easy to access for alignments,
06-26-2007 | 10:56 PM
#12
Thread Starter
JK Enthusiast
Joined: Jun 2007
Posts: 249
Likes: 0
From: Chandler, Arizona
Both of your guy's posts taught me a lot and both made me realize that there are a lot of adjustments to be made especially if I go with the FT ultimate. Seeing as how everything is adjustable, how difficult is it going to be for someone installing their first lift to get everything adjusted properly? Are the directions detailed? If not, is there a place I can find out once I have the lift on, what to adjust and in what order?
Short of something new/better coming out before my '08 arrives I'm going with the Ultimate. Shock suggestions???
Thanks!
Short of something new/better coming out before my '08 arrives I'm going with the Ultimate. Shock suggestions???
Thanks!
............
12-02-2009 | 09:10 PM
#15
JK Junkie
Joined: Jul 2009
Posts: 2,343
Likes: 1
From: The San Andreas Fault
But this thread like many others is out of the reach of "noobs" who seemed to have forgotten or maybe even worse, never learned the value of that obscure button on the top row that has the mysterious term "SEARCH" printed on it.