bucking In-tank fuel pump

[MiracleMax]

Originally posted by chico
???? I'm a little confused, unless I am missing something I see no reason why the Bosch inline would not work..just bump your fuel pressure up a notch on the reg......(I will get you a PH. NO. to order the bosch..it took me numerous calls to track it down and part no.) WHAT EVER YOU DO ...DO NOT TAKE YOUR MOTOR UNDER BOOST OVER 4,000 RPM.S UNTIL YOU GET YOUT AIR FUEL MIXTURE SET ONA DYNO! You are looking at blowing a motor due to detonation.

Thats probably because the stock pump is a variable pressure piece. The returnless fuel system stangs don't have a regulator.

Steeda also sells a dual pump/injector/flashed ECM set-up for S/C'd stangs. The 03 Cobra pump is supposed to be nice to and includes some sort of baffling.