what pressure are the 12v fuel injectors benched at?
08-04-2004, 11:13 AM
#1
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what pressure are the 12v fuel injectors benched at?
havin trouble getting my ur-quattro to idle right with 12v injectors and efi. runnin 35 psi now, but want to know the 170 cc min at what pressure?
08-04-2004, 01:42 PM
#2
4 bar (58.8psi) tho the 12V FPR is a RRFPR (rising rate fuel pressure regulator)
at idle manifold vacuum lowers the pressure to closer to 3bar. If you want specifics you need to install a manifold vacum gauge to see where the FPR is psi-wise at "X" degree of throttle opening. At WOT its 4bar. Rule of thumb value is less 1psi per inHg manifold vacuum.
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