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Old 03-24-2008, 10:48 AM   #1
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Going to lift my YJ 4 inches... can you help with my ???

So, I have a stock 94 YJ (4.0 liter) I am getting ready to lift. I plan to do this around the end of April/beginning of May, and I have a few questions about my upcoming project. I hope I can find answers I need here.

#1. Which SYE should I go for? I was thinking Advance Adaptor's kit, also looked at some on the Tom Woods site. Is there one SYE kit that's better than another? What about drive shafts?

#2. I have just about decided on the Rubi Express 4" lift. Also looking at a 1" Body lift, and motor mounts as well. Anything else I need to consider?

#3. Is there anything else I am forgetting? My list so far would be: SYE Kit, RE 4" lift, Daystar motor mounts, 1" Body lift, new 33" tires to go on Amercian Racing Outlaw II wheels. What else do I need to do to make this project a success?

Any ideas are greatly appreciated, especially if you have experience with the parts/kits lifted above. Help me get this thing off the ground (pun intended)!!!

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Old 03-24-2008, 11:51 AM   #2
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also need longer brake lines, sway bar disconnects if you're gonna wheel, otherwise longer links. t-case lowering kit is good idea, unless that kit says you don't need to if they correct the driveline angle already. outlaw II good lookin wheel, 10" wide will give it a real good look. i suggest just looking into spring overs, see if its something you'd be interested in, real nice set up, rides better than
4" springs do, and you wouldn't need the body lift. spring over will give you 5 to 6 " with stock springs, might want to replace them depending on miles now though. little more expensive, but worth it in my opinion. just my two cents, good luck, let us know

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Old 03-24-2008, 02:33 PM   #3
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I agree with JP...SOA with OEM replacement stock springs from Quardratec.
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Old 03-24-2008, 03:56 PM   #4
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if he is doing an SYE there is no need for a transfer case drop kit thats the whole poing of the SYE. but definitly longer brake lines, and have a can or 4 of PB blaster ready before you start, just makes life easier
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dont waste your money on junk lifts, save a few extra pennies and get something good.
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Old 03-24-2008, 04:09 PM   #5
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sye doesn't correct pinion angle, it might help. sye just makes a fixed yoke at t case instead of one that will slip out, and the new driveshaft will allow more travel. most people would say it is a good idea at 4" and a must after that. there was just a thread here about a tj w/ 2" that got a vibration from the drive line angle being too much, and my daily driver xj has
2" lift, and got small drive line vibration afterwards, needed drop kit. jeep driveshafts are so short, a small change in angle will affect them.
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Old 03-24-2008, 05:39 PM   #6
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shims correct pinion angles. if you change yer drive shaft angle yes a drop kit will fix it but for a 4 inch kit if you really want to do it right its the SYE. yeah maybe not practical for a 2" lift if your not doing any off roading but 4" and up its a good idea to go with an SYE and most of the time recomended
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dont waste your money on junk lifts, save a few extra pennies and get something good.
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Old 03-24-2008, 05:48 PM   #7
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sye is needed to do it right. shims correct pinion angle, and t case drop HELPS correct pinion angle. in my opinion an sye isn't enough to do it right at 4" you still have to correct pinion angle.
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Old 03-24-2008, 06:10 PM   #8
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The Rubi Express kit shows that it comes with Stainless brake lines, do I need more than what they supply with the kit? Here's the kit...
http://www.rubiconexpress.com/Produc...=5A18345066326

Also, which length rear shaft might I need for a 4" lift? I guess the front stays the same, so I'd only need a rear?
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Old 03-24-2008, 07:36 PM   #9
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that will get ya rollin pretty good, has t- case lowering kit, and shims, + everything else you should need. slip yoke eliminator is a good idea at 4" like we've said. even if you don't wheel it right away, on the road, hard acclereations from stops, and in reverse the pinion jumps. have a buddy pop the clutch a little, and watch your rear axle, after your lift that axle will jump up. you can lose your drive shaft even if you don't wheel it. did ya look at soa lift? good luck, let us know how it goes
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Old 03-24-2008, 08:41 PM   #10
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I think an SOA might be a bit more than I am ready for. I do have some friends in a local Jeep club that have offered to help with the lift, so I don't want to make it too much work for us to do...

I am sold on the SYE, just not sure which one. It's been suggested that I get a super short one. Also, Tom Woods shafts have been highly recommended. Thoughts?
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Old 03-24-2008, 09:36 PM   #11
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Quote:
Originally Posted by Gloworm19 View Post
I am looking at the same kit but for a lot cheaper from Qtec.
http://www.rubiconexpress.com/Produc...=5A18345066326
$819???

The same thing here (plus become a member and get the club discount)
http://www.quadratec.com/products/16300_303.htm
$635

You will still need a pitman arm for either though.

For about the same price of the first one you could get the same kit that Scott (USMCGunner) got
http://www.quadratec.com/products/16300_301.htm
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Old 03-24-2008, 10:51 PM   #12
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Yeah, I like Scott's lift, I have been hitting him up for suggestions and info. I am thinking the RE 4" kit, and buying a pitman arm and some OME shocks. Not that price is an issue, but is the 4.5" HD kit worth the extra money?

What I can't figure out is which SYE to use, and what length rear shaft I need. Also not sure on tires... thinking the 33" TrXus MTs...
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Old 03-26-2008, 05:12 PM   #13
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soa is alot less work in my book (provided someone can weld)just leave the sua on and weld up a new perch, add the other B/s you have to change anyway...body lifts can REALLY SUCK to do. you'll be tryin' to loosen bolts that refuse to let go on these older jeeps and breakin' chit. believe me i know. im about to abandon my 4" springs and go soa myself but w/ 2" leafs on a Soa. I will be fitting 38" or 42" wheels. and on completly different axles. at any rate the Soa is actually less steps to complete than all your talkin' about...lift, and body lift.
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Old 03-26-2008, 05:27 PM   #14
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Originally Posted by Felsengleiskette View Post
soa is alot less work in my book (provided someone can weld)just leave the sua on and weld up a new perch, add the other B/s you have to change anyway...body lifts can REALLY SUCK to do. you'll be tryin' to loosen bolts that refuse to let go on these older jeeps and breakin' chit. believe me i know. im about to abandon my 4" springs and go soa myself but w/ 2" leafs on a Soa. I will be fitting 38" or 42" wheels. and on completly different axles. at any rate the Soa is actually less steps to complete than all your talkin' about...lift, and body lift.
do it
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Old 03-27-2008, 12:46 PM   #15
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sye and cv drive shaft.

go to rustysoffroad.com and click on driveline. they have great deal. Package deal of the advance adapters sye and a tom woods drive shaft for $480.00. I am ordering it next week. replacing u-joints every oil change is getting old. I am installing a new 4 inch lift right now on my 94 yj. 4 inch pro-comp springs, pro-comp mx6 6 way adjustable shocks,stainless steal brake lines,front and rear currie greasable shackles, 1 inch body lift,and new poly bump stops. The supension I have in it now is shot,(sky jacker soft rides). Had pro comp suspension in a cj-5 that I was realy impressed with hope this will be just as good.

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