Quick Fuel Technology Qfi Electronic Fuel Injection System - Manual (Page 19)

19
o Should the fuel pressure exceed 45 psi/310 kPa, loosen
the jam nut on the top of the regulator and using a hex-
type Allen wrench, back off the adjuster screw slightly
and until the fuel pressure gauge reads correctly.
Retighten the jam nut. Do not over tighten.

NOTE: The engine IS NOT to be started at this point!!
Step 4:
After checking fuel pressure, turn the ignition key OFF
This completes PHASE III of the installation