I have alittle more than 550horse and 510torque and i hit 9.97 once.. But usually go around 10.2 or 10.3.... so i am thinking around 600horse for 9.90's
the stang would have to be stripped out to the bone............... i mean no seats plastic................carpet...................all that good stuff...............i am gonna make mid 5's to the wheels with my combo.............