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John Slade wrote:
In fact if the Peak and Hold are driven with an injector pulse duration calculated for a saturation type injector then you would get more fuel flow for the same pulse duration.
Hmmm. Tracy said it would be ok to mix and match (with resistors for the peak & hold). I guess I'll have to adjust the MAP table accordingly. John
*** Automobile use warning! ***
I have used the same injector opening value (1.0 msec) with Mazda injectors of both types (P&H, Sat) quite happily. The low Z injectors have been driven with both P&H (1.0 msec DC opening pulse and 30% PWM afterwards) and resistor schemes (5 ohm, 25W Ohmites mounted to a 25x50mm Al plate) with no change in fueling tables. Of course, the high Z injectors were driven directly. I currently use 680s with a resistor pack as described. The resistors are accessible while running, they never get more than barely warmer than ambient temp in the closed compartment they reside in.
-Mike
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