The stock OEM Mopar windage trays rob power from the motors down they don't help according to all the NHRA stock class racers on the west coast (they remove them and don't use them) work
A crankshaft scraper will help HP and help oil return into the stock oil pan with baffles, is your pan baffled front and rear or not?
Adding oil capacity would be very helpful to your motor, 4 quarts can be marginal for drag racing in the 1/4 mile shruggy
What year and body style is your car?

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)