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Topic Review (Newest First)
10-05-2011 10:29 AM
Jerry Bransford
Quote:
Originally Posted by JMWalker78 View Post
I just lifted my TJ 4" and put a 2" transfer case drop and no vibrations. The kit came with the transfer case drop and I did not have to lift the motor.
That 2" t-case drop means you ended up having the ground clearance of a Jeep with a 2" suspension lift. Only if you don't offroad would that not be a big deal.
10-05-2011 09:27 AM
geiman Listen to Jerry; what's the point of lifting your Jeep at all if you're going to drop the t-case anyways, especially 2". You've just negated your lift. If you never off-road enough for the t-case to hang you up, there wasn't much of a reason for 4" of suspension lift anyways (except to look "cool", which you won't; at least to other Jeepers who see the t-case drop). There is no way around the SYE/DC; especially with a 4" suspension lift. You can mask the problems all you want but they eventually come out. Add an extra couple hundred on your budget and do the SYE the first time around; your Jeep will thank you.

As for which lift to buy, I'd say neither. You said it yourself the reviews are mixed. Do yourself a favor and get something of better quality; you'll probably have to save up a bit longer, but in the end you will be much happier. It'll help you spend less time here asking us questions about how to fix things and more time actually enjoying your Jeep. Good luck.
10-05-2011 03:20 AM
JMWalker78 I just lifted my TJ 4" and put a 2" transfer case drop and no vibrations. The kit came with the transfer case drop and I did not have to lift the motor.
10-02-2011 02:32 AM
matt4133 An sye is- a "slip yoke eliminator"
a cv- is "center velocity" which is a type joint (instead of a u-joint)(usually covered by a rubber crimped boot style)
a mml- is a "motor mount lift" which will raise your motor (usually 1 inch) and will give you a slanted drive line angle to your transfer case for better drive lines to suposedly reduce driveline vibrations.

If im not correct about any of these explanations im sure a jeeper expert will correct my explanations
09-12-2011 01:53 AM
Stanton Tucker
Quote:
Originally Posted by immarkshy
you may still have to worry about them, but will worry less yes. its still advisable for the sye/cv in the long run though but with mml(motor mount lift) and tc drop its less likely to have vibes from what ive read. theres alot of people without sye/cv and they claim to no vibes and no problems
What exactly is an SYE and cv and mml? I'm new and learning what all this stands for
09-08-2011 02:13 PM
matt4133 Thanks for the input Jerry, I knew he was just feeding me a sales pitch so i took it with a grain of salt. But it is what it is, and I guess i won't know the extent of the vibrations untill I actually get this thing up in the air another 4". In the mean time im going to look into the mml just incase
09-07-2011 08:11 PM
immarkshy
Quote:
Originally Posted by SirGeorgeKillian View Post
FYI, hot coffee getting shot out your nose hurts really really badly.
hahaha sad part is almost everybody here after reading that can picture one they see at least weekly in their area
09-07-2011 07:58 PM
SirGeorgeKillian
Quote:
Originally Posted by Jerry Bransford View Post
He's probably just repeating what he has heard from his company owner's son's cousin who drives an all chromed-out Ford F-150 with a 12" body lift and geeked up steering.
FYI, hot coffee getting shot out your nose hurts really really badly.
09-07-2011 07:46 PM
Jerry Bransford A t-case lowering kit is always a poor second-choice to a SYE kit and CV driveshaft when talking 4" suspension lift heights. That salesman sold you a line of BS that 90% of Jeepers with a 4" suspension lift can have their vibrations cured by a t-case skidplate. He's probably just repeating what he has heard from his company owner's son's cousin who drives an all chromed-out Ford F-150 with a 12" body lift and geeked up steering.

SOME may indeed get away with a t-case drop with 4" of lift but I don't know of any that don't also need to install a 1" engine mount lift to help augment the effect the 1" t-case drop has. And some of those who say they get away with just a 1" t-case drop probably have vibrations they consider minor enough to just live with. The problem with that is that there are NO minor vibrations you can just live with when they are caused by excessive angles at the u-joints on the rear driveshaft. Any drivetrain vibes from an excessively tall lift will invariably start taking out u-joints, bearings, and/or seals.

You can't simply live with drivetrain vibrations, they won't let you.
09-07-2011 07:29 PM
go501green PM'd you
09-07-2011 07:28 PM
go501green Also, if you haven't bought it yet let me know, I bought mine from an RC dealer online and got it cheaper than RC was selling it for. Let me know and I'll track down the info for you and probably save $60-100.
09-07-2011 07:25 PM
go501green No problem, that's what forum is here for. To help keep people from making the same mistakes others have made. Good luck and have fun with it.
09-07-2011 03:04 PM
matt4133 Nope, haven't ordered the lift yet, Go501Green that's the exact kit I'm looking to get for my tj, I just got off the phone talking to the sales rep about it (seemed pretty knowledgable) and he said 90% of the time the transfercase lowering kit will eliminate the vibrtions, the other 10% have to get the slip yoke kit, and or something else (rough cost about $500) to eliminate the problem completely. Thanks for the feedback guys, I really appreciate seeing other peoples opinions on my topics of concern. I think I'm going to cross my fingers and go with the 4" rc n2.0, and hope I don't get the vibrations. Thanks again
09-07-2011 02:15 PM
JeepandMud You've probably already got your lift, and I didn't see your post till now, but I have the 3" lift plus the 1 1/4 body lift from zone, and don't have any vibrations at all. I run 33" MTR and it gives me a total of about 4.5" of total lift. It's great highway and daily driving. Just me .2
09-07-2011 02:09 PM
go501green Edit to my above reply
**110 miles, not that anyone would believe me if I said 110 mph in a jeep.
09-07-2011 02:07 PM
go501green I have the RC N2.0 4" lift on my LJ. I drive 110 round trip to work in it 5 days a week. I've only had it for a couple of months but have been wheeling in it through the south FL muck and mud and over some downed trees setup on the trail. So far no problems and rides as well as my original suspension. I paid $500.00 for mine and included next day shipping. My father, brother, and I installed on a Saturday, took about 4 hours. We didn't put the transfer case spacers in (not always needed on the LJ because of the longer wheelbase), nor have I put in a SYE. Just put on a new steering stabilizer, and a new trac bar because the bushing had play in it and got an alignment. Took 3 alignments to get the caster setting right to get rid of the DW though. Set it at 5.75 degrees positive with 33" tires.
09-07-2011 02:06 PM
immarkshy you may still have to worry about them, but will worry less yes. its still advisable for the sye/cv in the long run though but with mml(motor mount lift) and tc drop its less likely to have vibes from what ive read. theres alot of people without sye/cv and they claim to no vibes and no problems
09-07-2011 01:06 PM
matt4133 Hmm so is it safer to go with a good 3" suspension lift so I don't have to worry about the vibration issues?
09-07-2011 01:01 PM
immarkshy like they say, every jeep is different, most say it works just fine without others say they have major driveshaft vibes and go through u joints like no other until they got the sye/cv
09-07-2011 12:55 PM
MikeMTJ
Quote:
Originally Posted by matt4133
Alrite I'll have to check into the zone lifts, but on the cv/driveshaft issue, wouldn't a transfercase lowering kit take care of the angle of the u-joint issue?
It's sort of a hit or miss type of deal. A tcase drop may or may not solve vibration issues. It's different for everyone.
09-07-2011 12:46 PM
matt4133 Alrite I'll have to check into the zone lifts, but on the cv/driveshaft issue, wouldn't a transfercase lowering kit take care of the angle of the u-joint issue?
09-07-2011 12:30 PM
immarkshy check out zone 3" and 4" systems... mostly good reviews from them same price if not a little cheaper and get the nitro shocks, other than the people that are going to say go with savvy ($$$) but worth it yes if youve got that kind of money haha, from what ive gathered zones lifts are good for DD and for weekend toyin around, got a 3" priced out with control arms and nitro shocks for 800 bucks without control arms right around 580 from a local zone dealer. 4" your gonna run into people shighly highly recommending to get the SYE/CV set up but its another like 500 bucks give or take 100 and will save your drive shaft u joints in the long run
09-07-2011 11:10 AM
matt4133
lift kits sky jacker vs. rough country

Alrite so I know its a battle between the two, and I've heard mixed reviews on both manufacturers. Basically I am going to order a lift in the next week or 2 for my 2000 tj. Do I go with the skyjacker 4" economy lift. Or the rough country n2 4" lift? I do a decent amount of wheeling but nothing crazy and no rock climbing. The reason why rough country has be leaning toward them is they say the N2 system is designed for highway and moderate off-roading, and this is my daily driver and my weekend toy. Thought? Suggestions? Concerns!?

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