ATTN Scott: Re: Injector Duty cycle calculations

[timsiford at hushmail.com]

Scott,

>I really hate to contradict the experts here, but my understanding of
>SEFI (which is what the system in question seems to be) is that it only
>fires injectors once every other crank revolution, just like the spark

Absolutely.

>plug.  Hence, the available time for injector duration is 18.5 mS at
>6500 by my calculations.  I even made a quick little JavaScript
>calculator so that I could easily do these things:

That is absolutely correct.

>FWIW, I have heard that Diacom reports half the pulse width for some
>reason.  It has done it for the 3+ years I have owned it, and doesn't
>look to be getting changed any time soon (if at all).

Scott - this is important.  What year car do you have and where did you 
hear about this????

Tim

>
>Later dates.
>-- 
>Scott Knight  mailto:scott at scottknight.com
>http://www.scottknight.com/ IRC:SS396man
>'00 White Grand Prix GTP
>'95 Black Impala SS
>'94 Ducati 900SS CR
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