I'm pretty sure I'm in the minority here, but a good solid 440 (forged pistons, maybe a girdle and some good heads) with nitrous oxide will get you there. You will be right on the limit of a stock block, but the car can easily be streetable since you won't need a huge cam.
70 Roadrunner convt. street car
440+6, NOS, 4-spd, SS springs
'96 Mustang GT convt. street car
'04 4.6 SOHC, NOS, auto, lowered
"Officer, that button is for short on-ramps"
