MicroSquirt.com read only forum (Jan.15,2018)

I wouldn't use the fuel pressure port as its very close to the regulator diaphragm and may not be the best place flow wise. I would either tap the end of the rail, or if you end up with a rail with 3/8" pipe thread get a fuel pressure tap fitting that goes from 3/8" pipe to -8 male with an 1/8" fuel ...

Efahl's suggestion is good. You can do away with the return Y as the regulator has 2 inlets. The pump will be happy with the -8 run up the frame as long as you maintain the -10 inlet into it. Whether you use -6 or -8 for the return is up to you. At your power level either the parallel or series rail ...

This is Howard Stewart's pump and I think you should call them and ask if its been used on port efi yet. Its still kinda in development. It was developed for Busch/Cup racing. (carburetors) A performance inline electric pump isn't that expensive and is designed to make volume at higher pressure. The ...