DIY_EFI Digest V4 #680

[Greg Hermann]

>>Hi John et al,
>>
>>
>>...but an engine cycle is 720 degrees and therefore, at 7000RPM,  with
>>an 80% duty cycle the max pw is 13.7ms.
>>
>>Yes John your quite right a 4 stroke IC engine has a working cycle
>>that
>>encompasses 720 degrees of crank. On the other hand an Injector is
>>not any IC engine and has a duty cycle that is of one revolution only.
>>
>>This does of course give rise to the question... are you only
>>injecting every second revolution of the engine ? If so that may
>>establish part of the reason for the stumble you are experiencing.
>>
>>Phil
>>
Injecting only every other revolution is, in fact, pretty typical procedure
for sequential port injection systems.

Greg