Ok now that im getting GT40 heads and Intake...plus i have the Paxton SN93 supercharger,...My fuel system consists of this...24lb fuel injectors,FMU calibrated to the injectors,70mm TB,77mm C&L Maf calibrated to the 24's...an Areomotive adjustable fuel pressure regulator...and the shop doing my car said for me to but the FRPP 190lph fule pump tha they sell it has bigger fuel lines and return its a whole drop in pump..But i hear so many people saying i should get the waldro 255lph pump is it really needed?....will the 190lph be OK? here is the pump info.. http://www.jegs.com/i/Ford Racing/397/M-9407-C50/10002/-1?CT=999
I would just go with the 255. Nothing else is needed, and it won't affect anything by running a bigger pump. Plus that way you have it for if you decide to upgrade later on down the road.