Nate's 2002 TJ, simple but effective.... - Page 16 - JeepForum.com

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post #226 of 4885 Old 11-18-2012, 10:20 PM
yellow_snocone
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$2000 for a custom suspension sounds pretty good


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post #227 of 4885 Old 11-20-2012, 10:18 PM Thread Starter
gst95dsm
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I've been thinking about my upcoming 4 link project and things just started to not make sense! I was thinking about all these pre-made brackets and link length specifically. It then occurred to me that only at 1 length would the Joints be "neutral", using mounts with a predetermined degree of angle in relation to the distance between the center line of the axle and the width of the frame. That leave me VERY little control over things. When I read build threads it seems like the link length is basically a preference, not a length based on many calculations. With pre-made brackets I don't see how you can alter the length and have the joint be neutral in the mount.

Ok so anyways..... the "real" research has begun! I'm actually really enjoying it so far. I'm a math geek that never liked math unless it was something I was interested in. I found this: http://www.orcfab.com/tech/4link1.html And it's really helping me understand things. Here is my first drawing.



Each square is 3.75". I'm trying to be as accurate to scale as possible to get a better visual. Right now with the lower links at 8 degrees, they will be around 26.25" eye to eye using the factory lower axle mount. Vertical separation between upper and lower will be around 10.5" (a little much??) with a truss 7.5" above axle center line. Upper links around 70% the horizontal length of the lowers from the axle center line would be roughly 18.5" (horizontal length to axle center, not actual length). And if I keep 50% of the separation I would have 5.25" separation on the frame side mounts. SOOOOOOOOOOOOOOO...... whewww. Not even gotten into frame width, axle center or degree of mounts. What I do know now though is..... I should stop thinking about this before my jeep is completely torn apart and on jack stands for a year!
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post #228 of 4885 Old 11-20-2012, 10:25 PM
yellow_snocone
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I read this thread and it helped me break away from looking at it from a measurement design.
http://www.jeepforum.com/forum/f369/...metry-1423857/

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post #229 of 4885 Old 11-20-2012, 10:58 PM Thread Starter
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Quote:
Originally Posted by yellow_snocone View Post
I read this thread and it helped me break away from looking at it from a measurement design.
http://www.jeepforum.com/forum/f369/...metry-1423857/
Thanks! I've already come to the conclusion that you can plan this out all you want, but until you get under there and start really looking at the available space it's all just estimating. I just like to actually draw things out.... I feel that I remember things better that way. I respect everyone posting in that thread that has already been down this road and appreciate the information. Having said that.... I will still try and take the time, do it the "hard" way and try to understand exactly how each measurement relates to the next.
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post #230 of 4885 Old 11-26-2012, 10:08 AM
G Beasley
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Started ordering parts yet ?

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post #231 of 4885 Old 11-26-2012, 11:23 AM Thread Starter
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Started ordering parts yet ?
Well..... kind of. After digging in and really looking at what's what and also looking at my budget right now with Christmas I have decided to work with what I already have. I ordered these.

http://www.undercoverfab.com/long-ar...nlimited-.html

So my "new" plan is to rework what I already have. I'm playing around with shortening the links a few inches in the process. I think at my relatively low lift I can shorten them up and still maintain good angles. So I'll still have a rear track bar but at least I won't have 0 separation at the frame end on the rear and I'll be gaining some much needed clearance back. Seems like a good compromise. I actually really like my lower link design, they're bent for clearance and it's .250 DOM. So nothing wrong with that. I am having issues with the R/C 3/4" joints blowing out the retaining ring so I might go JJ's and be done with it. No issues with the 1 1/4 RC joints. I do think it's my fault though for over greasing them.

So anyways... I'm pretty much just going to make a mess of things. And still got the shock outboard to do also!
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post #232 of 4885 Old 11-27-2012, 08:56 AM
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Originally Posted by gst95dsm View Post
Thanks! I've already come to the conclusion that you can plan this out all you want, but until you get under there and start really looking at the available space it's all just estimating. I just like to actually draw things out.... I feel that I remember things better that way. I respect everyone posting in that thread that has already been down this road and appreciate the information. Having said that.... I will still try and take the time, do it the "hard" way and try to understand exactly how each measurement relates to the next.
The "hard" way is a great way to go. You'll come out with some much more subject knowledge then before. Honestly drawing it up isn't bad at all it helps make the idea more concrete so theres less guess work in the end. Also if you have some measurement numbers already it helps keep things square.

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post #233 of 4885 Old 11-27-2012, 09:14 AM
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Nice job. Wish i want lazy and kept mine that clean!

4.5" RE Springs, OME Shocks, SYE, Tom Woods driveshaft, Adjustable Everything,
33" Wrangler MTR's Flat Fenders, K&N Intake, 4:56's, KC Daylighters
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post #234 of 4885 Old 11-27-2012, 09:27 AM Thread Starter
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Quote:
Originally Posted by yellow_snocone View Post
The "hard" way is a great way to go. You'll come out with some much more subject knowledge then before. Honestly drawing it up isn't bad at all it helps make the idea more concrete so theres less guess work in the end. Also if you have some measurement numbers already it helps keep things square.
What you said earlier about not really looking at it from a measuring stand point really started to make perfect sense when I actually got under the jeep. Unless I'm planning on fabbing all my own mounts, build crossmembers, cut this, notch that...... it's just a series of limitations and compromises. Kind of frustrating to be honest. I think in the end, working with what I have, I'll end up with something better than I have now, and a deeper understanding of what's realistic working within the confines of a factory built vehicle, not to mention my skill level and budget!

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Nice job. Wish i want lazy and kept mine that clean!
Thanks Buddy!
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post #235 of 4885 Old 11-27-2012, 09:39 AM
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Ya since your fondation is setup already you just need to build around it. Honestly working within the factory built confines is going to be limiting at some level for good angles but I believe it should be quite possible.

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post #236 of 4885 Old 11-27-2012, 11:41 AM
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I don't know if I should thank you or cuss you, but after seeing your thread I decided to change my build plan! I like the look of your Jeep a lot. Thanks for the photos and posts.
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post #237 of 4885 Old 11-27-2012, 12:37 PM Thread Starter
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I don't know if I should thank you or cuss you, but after seeing your thread I decided to change my build plan! I like the look of your Jeep a lot. Thanks for the photos and posts.
Haha, I feel the same way when I read about other jeeps. There's always something done just a little different that I like.
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post #238 of 4885 Old 11-27-2012, 03:23 PM Thread Starter
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Finally have to admit winter is here. Winter mode activated. This may be this tops last season...... that rear window was a pain to zip!

Ok so here's the plan. Order two 1" JJ's, two 1" tube adapters and four 1.25" tube adapters. Snow wheeling this Saturday!!! Tear down next Tuesday when my brackets arrive, and reassembly throughout the week / weeks..... depending on how everything goes. Goal to be ready for our annual Snow wheeling trip on New years day.



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post #239 of 4885 Old 11-27-2012, 04:55 PM
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The jeep is looking awesome

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post #240 of 4885 Old 11-27-2012, 08:04 PM
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The jeep is looking awesome
X2 , one of the few Cloaked rigs I love .

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