Is the m1 faster then the air gap

WILL A MOPAR M1 GIVE A BETTER ET. OVER MY ELDO AIR GAP. I'M RUNNING A 72 DART WITH A BUILT 360 , 904 TRANS 5000 STALL , 488 GEARS,31/10.5/15 SLICKS. WITH AIR GAP IT RUNS 7.0, 98 MPH, 1.46 6O FT. CARB. IS A 750 PROFORM. HAS ANYBODY TRIED BOTH . THANKS GARY.:dontknow: