My 2-cents 1. Are the carbs used? We used to drill out a lot of orifices back in the day per Direct Connection engine guide 2. Is your power valve possibly bad?
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"