I have a 2007 Z06 with 10k on the odo (I know, I don't drive it enough). Yesterday I noticed a distinct vibration in the shifter handle when driving. The vibration gets worse under acceleration. The tranny seems to shift gears normally. I have no dealerships or garages in my area qualified to work on this car. Every time I try one it gets messed up. I would greatly appreciate any input. Thanks, johnm