Fuel pressure drops at wot
#1
Fuel pressure drops at wot
hey guys got a 99 5.9 cummins just instaled a new raptor 100gph and remote filter on the frame ive got 3/8 line from the tank to the remote filter and 3/8 from the filter to the pump with the 1/2 inch line the comes with the pump to the stock filter and i keep getting huge pressure drops a wot.i have my pump set at 20 psi and it reads that at idle but when you go to drive it the damn thing drops below 8 or so anyone have any ideas on why it would do this at all? ive checked all the lines and there all clear just dont know what to do now and dont wanna burn up another vp44. thanks
#4
#6
#8
#10