4.6 all stock crank and heads. 75 mm throtle; body bbk cold air intake; 36 pound injecters. ford racing aluminum drive shaft from lmr. ford racing def. with carbon fibor clutch disc. from lmr. yukon 31 spline axles from lmr n all the barrings n grease from lmr. the tranny is new. i upgraded to a tremac 3650 from the old t45 n wich i blew at the track .. i drive the car every day to work.. its my only mean of transportation.. i do run it on the track ..it has 18 saleen wheels .. 255/50 18 on back and 225/50 18 on front. nitto rubber rear and good year on front and on those street tires with the five speed i have gotten 13.89@ 101.mph and the motor has its origanl 155,000 miles on it. i love my car and i have allways loved mustangs. thank lmr for yalls help please keep up the great work.. david elliott jr.