I've seen three different flow rates mentioned for the 0-280-150-036 injectors. 380cc, 420cc, and 480cc. I can only recall one person posting results of a flow test which was Gregmatic. His results showed the injectors flow ~420cc @ 50psi. Now if you calculate the flow at a more standard 43psi test pressure you get roughly 380cc. This is the same flow stated on most documents (online and in books) that I've seen for this particular injector. I believe 380cc to be the correct flow rate. Of course which base fuel pressure you go by changes that.
Also, the fuel pressure regulator on the z31 keeps fuel pressure at a constant ~37psi. At 37psi the same injector will flow ~362cc which is pretty low. It should be noted that many newer Nissan models (z32, 240sx,..) run a base pressure of ~43 psi which would make the injectors flow the documented 380cc.
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Also, the fuel pressure regulator on the z31 keeps fuel pressure at a constant ~37psi. At 37psi the same injector will flow ~362cc which is pretty low. It should be noted that many newer Nissan models (z32, 240sx,..) run a base pressure of ~43 psi which would make the injectors flow the documented 380cc.
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