I'd suggest you change ALL the fuel in the car (gasoline goes bad in about 6 months) and go back to basics. Check your firing order, distributor rotation, cap/rotor/plugs. Best of Luck!
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"
