7 inch lift Ram 2500 6.7L vibrations above 80mph, pinion angle?

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HarrySanta21

Junior Member
Joined
Dec 2, 2016
Posts
4
Reaction score
3
Ram Year
2001
Engine
5.9L Magnum
My truck vibrates like a massage chair above 80, thinking it’s the pinion angle, any ideas are appreciated (tires are truly balanced though and it is aligned really well), if it is pinion angle what is right and how do I achieve that?

Front end specs:

Stock:
Sway bar
Tie rods
Front and rear drive shafts

Aftermarket:
TGC Long arms
TGC steering damper w/ bilsteins
Skyjacker 7” coils
Bilstein shocks
Carli adjustable track bar
Synergy steering stabilizer brace
Suspension Maxx sway bar links

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