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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


 
 
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Old 04-24-2008, 08:15 AM   #1
the head
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SR Fuel Pressure Problems

Running a Sard regulator set to 43 with no vac all -6 line new fuel filter and rather new Walbro pump, 550cc injectors top feed.

As soon as the boost comes up out of vac the pressure drops to 20 but according to the wideband hooked into my haltech I am still running full rich (5V)

any help is appriciated
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