I have a stock 5.0L with 3.27 ratio diff.,tremec tko,underdrives ;ported cobra intake,65mm trottle body,73mm mass air calibrated for 19lb inj.,cold air intake,155 fuel pump,and paxton adjustable fuel press.regulator.My question is - WHAT SHOULD THE FUEL PRESSURE BE SET AT WITH THIS SET UP?DO I NEED A AIR / FUEL RATIO GAUGE TO SET FUEL PRESS. CORRECTLY??
