Going up 1.5" more. Vibes?
#1
CF Veteran
Thread Starter
Join Date: Sep 2010
Location: NC
Posts: 1,843
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1998
Model: Cherokee
Engine: 4.0 L
Going up 1.5" more. Vibes?
So right now I've put together a lift where I'm around 3.5" in the front and almost 4" in the rear. I will be adding 4.5" rc coils and 1.5" shackles (or 2.5" if it doesn't look even) soon (already have control arms brake lines track bar yadda yadda). Right now I also have 2* shims and a tcase drop with no vibes. Will I be ok after the lift or should I start saving for a sye just in case? Shouldn't the shackles help my pinion angle or whatever? Or will the extra inch and a half mess it all up? Thanks.
#5
CF Veteran
Join Date: Jun 2009
Location: Columbus, Ohio
Posts: 2,173
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1997
Model: Cherokee
Engine: 4.0, comp cam, 99 intake, apn header, neon injectors, Thunderbolt 2.5" High Flow Cat
#6
CF Veteran
Thread Starter
Join Date: Sep 2010
Location: NC
Posts: 1,843
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1998
Model: Cherokee
Engine: 4.0 L
I remember reading somewhere that a longer shackle would. If its a longer shackle wouldn't that pull the leaf springs back thus rotating the axle as would a shim? Or am I just way off.
#7
that would be some super long shackles. you can buy some shims and try to get as close as possible.
Trending Topics
#8
CF Veteran
Thread Starter
Join Date: Sep 2010
Location: NC
Posts: 1,843
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1998
Model: Cherokee
Engine: 4.0 L
Yeah.. Guess I'll just start putting money away and see what happens when I put everything on. Won't be for a month or so.
#9
CF Veteran
Join Date: Dec 2010
Location: Frankfort IL
Posts: 1,385
Likes: 0
Received 1 Like
on
1 Post
Year: 2000
Model: Cherokee
Engine: 4.0
You will get vibes. I went with no SYe at 4in with transfer case drop. I installed 4degree shims and had zero vibes. I removed the tcase drop and still had no vibes, I am assuming thanks to the shims. After I went up one more inch I got vibes and grinding. So I installed the tcase drop back in and currently waiting for my SYE to arrive so I can remove the stupid drop.
#10
CF Veteran
Thread Starter
Join Date: Sep 2010
Location: NC
Posts: 1,843
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1998
Model: Cherokee
Engine: 4.0 L
Sounds like a pita. I'll just save up some money and hope I don't have to use it ha. I played that shimming game when I first lifted it. This time if there are vibes then it'll be a sye.
#11
CF Veteran
Join Date: Jun 2009
Location: Columbus, Ohio
Posts: 2,173
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1997
Model: Cherokee
Engine: 4.0, comp cam, 99 intake, apn header, neon injectors, Thunderbolt 2.5" High Flow Cat
You will get vibes. I went with no SYe at 4in with transfer case drop. I installed 4degree shims and had zero vibes. I removed the tcase drop and still had no vibes, I am assuming thanks to the shims. After I went up one more inch I got vibes and grinding. So I installed the tcase drop back in and currently waiting for my SYE to arrive so I can remove the stupid drop.
#12
CF Veteran
Join Date: Dec 2010
Location: Frankfort IL
Posts: 1,385
Likes: 0
Received 1 Like
on
1 Post
Year: 2000
Model: Cherokee
Engine: 4.0
you can't say that for sure. I'm at 4.5 with a transfer case drop and no SYE and I have NO VIBES. No shims either. I do still need an SYE but it has nothing to do with driveline vibes on this rig, it has to do with the yolk being able to slide further out of the TC than I am comfortable with.
Last edited by helmut; 02-08-2012 at 08:32 AM.
#13
CF Veteran
Join Date: Jun 2009
Location: Columbus, Ohio
Posts: 2,173
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1997
Model: Cherokee
Engine: 4.0, comp cam, 99 intake, apn header, neon injectors, Thunderbolt 2.5" High Flow Cat
The op is at 4in in the rear and wants to add 1.5 in shackle. Thats 5.5 Without an SYE and TC drops its almost 100% sure he will get some kind of vibes or binding. Also with the SYE you still need to shim the axle regardless. It has to do with pinion angle wich with a double cardan DS should be almost in line with the driveshaft.
#14
CF Veteran
Join Date: Mar 2009
Location: Visalia, Kalifornia, ussa
Posts: 2,750
Likes: 0
Received 2 Likes
on
2 Posts
Year: 1996
Model: Cherokee
Engine: 4.0
Doesn't matter how much you lift your JEEP. IF your Jeeps maintenace and condition is not up to par, you will get vibes. If you take short cuts on upgrades and maintenance, you will get vibes. Alltitude does NOT cause vibes, ignorance and laziness does.
#15
CF Veteran
Join Date: Dec 2010
Location: Frankfort IL
Posts: 1,385
Likes: 0
Received 1 Like
on
1 Post
Year: 2000
Model: Cherokee
Engine: 4.0
Sorry, but when I put a tape measure on my 4.5" rough country lift, it actually sits about 6" higher than stock. There just is no way to tell until the lift is in. You're gonna find alot of people on here telling you the same thing I just did. You might get vibes, you might not.