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Discussion Starter · #1 ·
I installed Bilsteins set at 2.8 on my 2011 Ram Sport today. Truck looks great but I now have a vibration in 4WD when I accelerate fast from 0-40. It only seems to do it in 4WD. I ordered new wheels and 35x12.5x20 Trail Grapplers which have not come in yet. Once I get everything set up i will do an Alignment and hopefully that will fix the problem? Anyone else have this trouble and find a solution? If the vibration is still there will it cause damage to my truck in the long run? I'm kind of wishing i went with the 2.1 setting now but I also read others have had the same issue with the 2.1 setting.
 

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It's a common tale. Hopefully yours will go away after your alignment. No one has reported damage to their trucks from it. Try not to accelerate too hard from stop in 4wd. Let us know how it goes after your wheels and alignment.
 

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Discussion Starter · #5 · (Edited)
hmmm I don't know if I should drop to the 2.1 or keep it at 2.8. I gotta pick tires out on Tuesday. Wanted the 35x12.5x20's and they won't fit with the 2.1 setting. I'd have to go to 295/60r20 Trail Grapplers. The vibration is very little driving regular in 4WD on dry pavement. When I accelerate fast it vibrates more. Not like I'll actually be doing that much. If i'm in a situation where I need 4WD I accelerate normal and I don't think it will really vibrate to much.
 

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I don't think any vibration would be good, slight binding I'm sure is the cause with the cv joints due to higher angles, I'm sure that will take its toll over time.
 

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I'm leveled (2.1") running 285 60 20 Duratracs on stock rims and I have vibration at 110-120kph on some surfaces. I noticed it a bit with the stock tires too. But the slightly wider Duratracs made it slightly worse.
 

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I'm @ 2.1 with 315/70/17 (34.6") no vibrations and nowhere near rubbing.

But yeah, like the others have said, wait until shes aligned and back in spec before worrying too much. And yeah, don't hammer it in 4wd I guess haha

Good luck dude! Hope it goes back to driving normal again!
 

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I'm @ 2.1 with 315/70/17 (34.6") no vibrations and nowhere near rubbing.

But yeah, like the others have said, wait until shes aligned and back in spec before worrying too much. And yeah, don't hammer it in 4wd I guess haha

Good luck dude! Hope it goes back to driving normal again!
Looking to level my truck. Can you measure from the bottom edge of front fender down to the center of your wheel cap? Thanks in advance!
 

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Sure. Most go to the ground. But to the center of the rim will do the same.
 

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Sure. Most go to the ground. But to the center of the rim will do the same.
That's if the wheel and tire setup is the same on both trucks. For example if he has 33s and I have 35s the measurements won't be accurate but to the center of hub/wheel would
 

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the 4x4 vibration thing is really over exaggerated. I have mine at 2.1 and I get vibrations when i start moving in 4x4. its really no big deal.
 

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That's if the wheel and tire setup is the same on both trucks. For example if he has 33s and I have 35s the measurements won't be accurate but to the center of hub/wheel would
Same to the ground. If you 35's you'll have two more inches. So measuring to the hub is the same thing.
 
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