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					Originally Posted by  cobra de capell
					 
				 
				One additional item - it's strange, in that there is a slight vibration now when I first drive the car - like the tires are really out of balance, but after a few miles the vibration disappears - is that normal. 
Any input will be appreciated. 
			
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 Yep, after sitting for a few days the Billboards will flat spot.  After a few miles the shaking and vibration will stop (this is one of the downsides of the tires).