Trigganometry
Well-Known Member
- First Name
- Rick
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- Dec 4, 2020
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- Massachusetts
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- 20 XLT scab 301A/tow 4X4 magnetic w/sport blackout
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- Engineering
At a 3” lift you’re encroaching on the max angle of front CV’s that will introduce binding and vibration. Most lower transfer case to reduce the angle.
Same goes for center carrier bearing on rear drive shaft. Start adding rear lift and you’ll introduce bind. Additionally, some with stock setups had issues here and needed shims to correct this.
As suggested, lower front an inch and see if that doesn’t resolve the issue. You could possibly be chasing two separate driveline vibrations where each one exacerbates the other.
Same goes for center carrier bearing on rear drive shaft. Start adding rear lift and you’ll introduce bind. Additionally, some with stock setups had issues here and needed shims to correct this.
As suggested, lower front an inch and see if that doesn’t resolve the issue. You could possibly be chasing two separate driveline vibrations where each one exacerbates the other.
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