OK, i've got a question for you Cobra guys. I'm asking you this b/c you guys w/ 03 cobras are the only ones i know of that run mustangs with 275/40-zr17 tires from the factory. I'm running a 1994 v6. i upgraded my sixer with 17x9 mach1 wheels from AFS. they have kumho 712's on them in the same size that you guys run. I am getting A LOT of tramlining (the tendency for the tires to follow every longitudinal rut and groove in the road) with these new tires/wheels. I understand that this is a side effect from having an ultra wide tire out front. But essentially, as far as i know our front suspensions are the same except for shocks and springs. SOOO.... do you guys have this problem? how about guys with the same brand tires i do? there has to be some of you in here with Kumho 712's. I'm trying to figure out if this is fixable or if i have to get rid of my tires. it is so bad that i'm actually getting motion sickness on a 25 minute drive (or less sometimes) please help big brothers.