Love This

Greg Hermann bearbvd at sni.net
Mon Feb 1 05:24:33 GMT 1999


>ron.boley wrote:
>
>> Adding to Rogers comments,
>>
>> I would drive the pump in a PWM (Pulse Width Modulation) mode such that
>> I can control the pressure.  If we flip it around and I can control the
>> fuel pressure the engine controller can keep the Fuel Injector pulse
>> width fixed for longer periods of time.  While its not what I would do
>> with the faster CPU's these days it might make for a less expensive
>> engine controller which appeals to the marketing people
>>
>> Ron
>
>1. Raise fuel pressure with RPM (to lower pulse width) to get more
>capacity from
>small injectors.

--------------------------------------
 2. Allow heat in rails to heat fuel for better vaporization and
>economy under cruse conditions.

I doubt it--but you knew that, dincha Tom??

Regards, Greg

---------------------------







3. Reduce load on electrical system when not WOT
>(better economy).
>
>How do you PWM a 15 amp load??? Someone design a circuit please. Can the driver
>board be mase to work??
>
>TIA  TOM





More information about the Diy_efi mailing list