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Verification of IPW

EFI Tuning Fundamentals

Discussion and questions related to the course EFI Tuning Fundamentals


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I would like to know if you guys can verify my IPW is correct for a 149 CID Volvo engine with 1000cc injectors.

Injector Fuel Flow: 1.63

AFR 14.5

RPMs CFM Airflow Per Cyl Ms Duty Cycle Injector Pulse Width

1100 0.10917 47.505 3.610 .903 0.062 0.067 9 0.1091 3.8% 0.42 6.78

1500 0.0800 64.779 4.923 1.231 0.085 0.091 13 0.0800 5.2% 0.42 6.79

AFR 13

1900 0.06317 82.054 6.236 1.559 0.120 0.130 16 0.0632 7.3% 0.46 7.56

AFR 12.5

4800 0.02500 207.293 15.754 3.939 0.315 0.358 40 0.0250 19.3% 0.48 7.88

AFR 10

RPM

6850 0.01752 295.825 22.483 5.621 0.562 0.562 57 0.0175 34.4% 0.60 9.56