hello guys need some mach 1 knowledge .....in the middle of converting my irs out of my 2003 cobra with a solid rear axle but dont know what the difference is between mach 1 rear and a gt rear other than brakes....does anything else change ie.....abs sensors (LENGTH) dont want to have issues with my abs sensors or wheel fitment....any help would be needed thanks...ALLEADY TRIED MY WHEELS ON MY FRIENDS MACH 1 AND THE FIT PERFECT...BUT MACH 1 REARS ARE ALOT HARDER TO COME BY......SO GT REARS ARE EVERYWHERE...