i bought a used sfmu and it didn't have anything in the boost port so i called vortech and ordered the ball and the spring and screw what order does the ball and spring go in ball first or spring. also im going to running 415s what disk should i use the biggest one. and fuel pressure should around 25 and 80 right
#68068, "RE: sfmu boost port" In response to Reply # 1
Ball, then spring, then tighten the screw down snug. You will want to use the 2.72 disk/ring, and run idle pressure around 18-20 psi. You may want to have the optional bleed valve installed also, to help you fine tune your fuel pressure rise rate.
13.5 @108 MPH-2.2 60ft(stupid FWD!) S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential fuel injection) My webpage: http://eclipsed4evr.home.comcast.net -1998 Mitsubishi Eclipse RS-T- "Toy" -1992 Plymouth Laser Turbo AWD(SOLD) -2000 Honda CR-V(daily)