looking for someone to help me with me tweecer r/t. wanting to set up the car for a motor tune need to lean it out have an a/f of about 9.9 to 10.5:1 when in high rpm. car wont turn up past 5800 i think it is due to the extra fuel

255LPH PUMP
42LBS INJECTORS
76C&L MASS AIR METER GREEN TUBE
75MM THROTTLE BODY
MALLORY RAILS AND REGULATOR
HAVE FUEL PRESSURE AT 25LBS TO TRY AND LEAN IT OUT A LITTTLE
10.5:1 COMPRESSION
MIGHT HELP WITH SOME TUNING HELP

PLEASE HELP
feel free to call
813-917-6686