NOS 05115-stage one or two??

[ed1371]

You say your fuel system is already sufficient, are you positive? You need to be absolutly sure of this before you jet it to 150...You need to check your fuel pressure at the test port and if it is below 80 psi at wot you will need the pump supplied in the stage 2 kit. I am not sure though how to set it up running 24# injetors though. Your best bet would be to call the tech support at NOS and find out. This isn't something you just want to try out...severe lean=death to motor.

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My Mustang


91 LX Conv. 52,000 orig mi. Hurst shifter, 3.55 grs, NOS 150 dry kit, MSD 6al, MSD timing control, malory coil, pullies, fms adj fuel reg, BBK 70mm tb, Pro-m 75mm maf, battery in trunk, JBA shorties, JBA subs, JBA strut tower brc, dynomax "super turbo" 2 1/2 exhaust, FMS billit distrib, Hotchkis lower cntrl arms, MAC Fenderwell cold air kit, off road h pipe.