no MAF or MAP?

peter paul fenske pfenske at direct.ca
Thu Jun 6 07:46:59 GMT 1996


>My pet project at the moment, is a EFI (& Elec. Ign.) system for

>I've decided therefore to use a throttle position vs. engine speed
>calculation.
>
>Hi Folks
>System you are referring too is know a N alpha
>Saw a SAE writeup a while ago. Will dig it up if you want.
>Most practical version is Holley Projection. 
>Uses tps, start switch, rpm and temp compensation.
>Fairly simple analog system with base pulse modified by tps
>position with temp correction. Need rpm for base fueling.
>Could build it with a few op amps, comparators a Pulse Width
>modulator, injector driver, and divider for ignition.
>Transient by delta on tps.
>Still digital nicer.
>Well GL: peter




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