TwinTurbo.NET: Nissan 300ZX forum - Re: What formula is used in tuning software to define
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Subject Re: What formula is used in tuning software to define
     
Posted by zromtech on August 02, 2015 at 12:55 PM
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In Reply To What formula is used in tuning software to define posted by Pontisteve on August 01, 2015 at 06:15 PM
     
Message I can't speak for other tuning software, but the formula used to calculate Theoretical Pulsewidth (TP) in the ECU code is:

TP = K * VQ / N

where:
K = injector constant (pulsewidth for 14.7:1 A/F)
VQ = airflow from MAF
N = engine speed


     
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