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if your car is anywhere near stock, Eckler's pump will provide more fuel than you can burn
I have a P-1SC, FMU , 44 lbs injectors, heads, cam etc. Between 5500-6000 rpm at wot, the fuel pressure drops from 75 psi to 65 psi, duty cycle was 82 %, I removed the in-line pump, nothing change. Next i removed the in-tank pump and return the in-line pump, nothing change. I think next i put a 255 L/hr Walbro in-tank pump alone.
