I purchased an 08 access cab Taco a year ago. It was fitted with a 3 inch "Wild Country" suspension lift and some sweet 18 inch spoke wheels.
It has always had a shudder when it launches from a dead start and what I thought was a cupped tire or a tire issue with a drivetrain vibration at 30 to 40 mph. I have read the threads on the TSB that addressed the rear motor mount replacement but my Toyota service folks say my vin was produced after that TSB. We have taken the truck back to stock and the vibration is gone (no lift, stock tires) I love this truck I find it hard to believe that the 3 inch lift or the tread pattern would cause this problem but that is the way it appears. Anyone else with a similar experience?