tomr240zap Posted October 14, 2020 Share Posted October 14, 2020 Some time back in my engine build I ordered new set of "440cc Bosch Injectors" from Arizona Z Car Skip forward in time about 5 years and I'm in the process of tuning my (240z) L28et swap with MS2 (V3.57). Using PWM (30%) as the injectors are square in the middle of the low-z range at ~2.8-3.0 ohms resistance. All other critical settings per Megasquirt "starting point" recommendations. The car idles with some tweaking of parameters, but AFR is way out of sorts and i'm at a point in my troubleshooting where i'm beginning to question the validity of this flow claim... In trying to ID these injectors, the only numbers I can see on the injector bodies are "751" and "927". These numbers don't match any low-impedance injectors that i can find in the Bosch fuel injector catalog. The only Bosch injectors that fall into this resistance range is the 0280150834 and 0280150835 (EV1) which only flow ~350ish. Next step was to "massage" the 'required fuel' value in tuner studio to match what I need, but would like to first confirm my theory. I have an email in to Arizona Z-car but haven't received a response. Does anyone else have experience with these AZC injectors or can attest to the 440cc claim? Thanks! -Tom Quote Link to comment Share on other sites More sharing options...
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