Alpha-N injection

[Todd Knighton]

James,
	We have modified Bosch Motronics units from Air Flow meter to Alpha-n
type systems.  We typically have done this for radically cammed engines
where airflow measurement is unreliable.  It has worked out well  If we
can help you let us know.

Todd Knighton
Protomotive Engineering
Email: knighton at net-quest.com


James E Staff wrote:
> 
>    Has anyone here looked at the merits of a system that only knows the
> position of the throttle plates? And the can use O2, engine temp and air
> temp values to tune the A/F ratio.
> 
>    This is the system that I'm working on now, and am nearly complete. It
> has the simplest components.
> 
>    1 10bit 600ns flash A/D
>    1 8 bit A/D that is slow and has a analog multiplexer attached
>    1 O2 sensor
>    1 Mil spec oil filled conductive plastic POT for a precision voltage
> divider.
> 
>    Thats the who core system, when I finish my spec sheet I'll provide
> more info...
> 
>       Later,
>            Jim Staff