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Discussion and questions related to the course EFI Tuning Fundamentals
I just watched the video about injector deadtimes.
I also have the ID1000 injectors. When choosing the deadtime/offset from the table, I have to select the fuel pressure.
here my question:
Which fuel pressure do I have to pay attention to:
a) engine running idle
b) engine off (or engine running idle and taking off the hose from intake manifold to fuel pressure regulator
because here is a difference of about 8-10 psi
Deadtimes are only relevant to "differential fuel pressure" or in other words fuel rail gauge pressure - manifold gauge pressure. So "b" (engine off) would give you the correct result as manifold gauge pressure is zero when the engine is off.