get with stanger sc - he's running 18x10s in rear.
Not sure what tire size but it looks killer.
See third photo from top of thread.
Kind of look like 315s.
My 06 GT Vert Progress PiCs
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March under-drive pulleys, RAM H/D clutch, TriAx, Pro5.0 handle, BBK plenum, 75mm PP t/body, C&L True Flow polished pipe, SVT focus fuel pump, MAC O/R H, 2 chambered Flows, Ford Racing gears 4.10's, Eibach Pro Kit, energy suspension spring isolators, NT555 285/40/18s (rear), 18x9 18x10s chrome Saleens, and a shit load of interior,exterior cosmetic upgrades... 
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