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"