Quote:
Originally Posted by DaSkinnyGuy
I don't have an answer just questions that may help you.
I hope they are torquing lug nuts to spec.
What air pressure are you keeping the tires at?
Could it be a bushing, body mount, engine or transmission mount that needs to be replaced? I had to replace a poly transmission mount because as it aged the vibration got worse.
Could the vibration be coming from the body due to stiffness, I have heard of newer GM trucks do this because the body's are so stiff.
Could it still be a tire problem and worth a shot asking if you could switch to a different brand? And or take your wheels completly off the car and install wheels from another challenger on the lot and take for a test drive?
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Lug nuts are torque'd to the proper spec by me verified with another tool as well. Shake will happen at the speeds specified, not per a certain RPM, gear, etc. I will admit I'm pretty picky with this stuff so perhaps I'm just overly sensitive.
I could switch to another brand but I really doubt they would cover any of that cost. I think I will just wear these out and then try another brand if they don't come up with anything reasonable.
As for the last option of using a known set of good wheels/tires, I again doubt they would go through all that hassle.