| Author |
Message |
    
Blake Luse (Muddyrover)
| | Posted on Monday, February 25, 2002 - 12:16 am: | 
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I was wanting a 2" OME HD lift
but i want it to be lifted a bit more
and was wondering about the rovertym 3" lift springs
how bigger of a chance of getting vibes is it to go 3 instead of 2
What exactly are we talking when we say vibes
i know it has to do with the drive line
but what actually
and how does it effect the truck |
RVR OVR (Tom)
| | Posted on Monday, February 25, 2002 - 01:04 am: |
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The driveshafts are meant to run at a certain angle in the U-Joints. When you lift the truck, you raise the transfer case up along with it, thereby effecting those angles. Sometimes, this causes vibrations because the angles are now different than stock. The higher you go, the greater the chance of vibrations. Watching the board for a couple years now, this seems to hold true.
What can happen is that you blow out a U-Joint buy running the shaft at an angle in the joint that it wasn't meant to run. If you are at high speed and one end of the shaft breaks off, it whips around taking out stuff in it's path.
Another cause for vibrations is worn transfer case bearings. I don't know if this directly ties in with a lift or not, though.
Another thing to keep in mind is that the RoverTym setups are meant to give you a 3" lift after you add on things like custom bumpers, winch, rock sliders, etc. A RT 3" lift is typically more than 3" if you don't have such things so you get what you were hoping to get. To my understanding (not experience, haven't had one), a 2" OME lift usually ends up being less than 2" after all the stuff.
Tom |
Ron
| | Posted on Monday, February 25, 2002 - 04:16 am: |
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After reading for a few years I would say at 2in you have about a 90% chance of no vibes.
At 3in I would say you have about a 90% chance of vibes.
There are lucky people who can do 3in but I would at least budget for a 400 front cv DS and 225 rear trailing links.
Ron |
Matt Milbrandt (95discovery)
| | Posted on Monday, February 25, 2002 - 08:36 am: |
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What year is your truck?? If it is before '97 and has a rotoflex, chances are even greater that it won't like 3". I have no personal experiance with a rotoflex and a 2" lift, but I replaced my rotoflex with u-joint for my 3" lift.
Matt |
Blake Luse (Muddyrover)
| | Posted on Monday, February 25, 2002 - 11:37 pm: |
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its a 98 |
Cal
| | Posted on Tuesday, February 26, 2002 - 01:21 am: |
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I got vibes from OME mediums. They lifted it only an inch from new height |
E Snyder
| | Posted on Tuesday, February 26, 2002 - 10:12 pm: |
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My experience matches what Ron posted. With the 2" OME lift I had no vibes to speak of. When I added 1 5/8" spacers, vibes showed up. I'm now sorting out driveline issues. It's still driveable, certainly, but vibrates from 10-30mph and again over 70. I think Ron's 90% rule is pretty accurate from what I've seen on this board, also. |
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