[Diy_efi] Hi and JECS injector question

[Lorcan Parnell]

Thanks Bevan,

What I am trying to do is reasonably cheaply add some form of "mappability"
to my stock peak-and-hold system by adding a Powercommander which is the
motorcycle industry standard device for altering the pulse width.
Unfortunately the PC is only available for modern bikes which all have
saturated circuits (as far as I know).

Looks like I'll try resistors and see how I get on. The manual says to test
the injectors with a 3v battery (not 12v) so maybe they will open ok with
resistors in line and I can map out any slowness in response time, which I
would have to do anyway if I bought high impedance injectors.

Lorc


----- Original Message ----- 
From: "Bevan Weiss" <kaizen__ at hotmail.com>
> I'm not sure entirely what it is you're trying to do.  I assume that it's
to
> replace the ECU with something other than stock, but still keep using the
> old (peak-hold) injectors.  Or perhaps you still want to use the original
> ECU but with some newer (peak-hold) injectors.  In either case the ballast
> resistor (of around 11Ohms/12Ohms) would be needed for each injector.
This
> would just be placed between the driver and the injector.  The other
> injector terminal would then be connected to 12V.


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