Dodge Repair Questions? Ask a Mechanic for Answers ASAP
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did it do this prior to adding the tires??
did you check the u joints??
does it feel like the transmission???
could be the front driveshaft. the angle may be off enough for the vibration to happen
it could also be the trans. a torque converter will also cause shuttering on hard acceleration.
I would still suspect that front drive shaft
sorry, thought you had*****/p>
did they align the front end to the original specs or did they take into account of the lift???
it may be a motor mount on the rear of the trans. there should be a little movement but not a lot.
I still think the front driveshaft angle may be causing this.