I have an 89 5.0 with the following mods. pullies,msd,bbk intanke,bbk fuel reg,355 gears, k cobra clutch,8.5 mm FR wires, 255lph fuel pump, and thats about it. nothing drastic. car has always ran like a dream until recently. when its a bit cold and i put the car in a little load it feels like i get fuel cut. once the car warms up it runs good. i thought it was the fuel pump seeing that it only happened while i accelerated the car, so i changed the pump. still nothing, changed my fuel filter and plugs and still nothing. i believe has has to do with my timing. i know it should be at 10*. does anyone else have this problem?? could it be my injectors as well?? or just timing??