Ok im sorry but a contour will not beat an 06 gt mustang , unless your running in the high 13's , i ran a 13.8, thats the best time i could get out of it stock. and i doubt them beating a 98 cobrah , becuase my buddy has a stock one and he ran a 14.1 with that . now a gtp, yea ill give you that one. i guess a turbo 3l would