On Tuesday 15 July 2003 21:45, David T Platt scribbled:
> There's a bypass valve in the oil pump limiting the pressure. Peak pres=
sure
> should develop pretty low in the RPM range, so the pressure idea would =
be
> the same as trying to figure out the RPM based on alternator output.
>
> If this is an electronic ignition, why don't you tap into the crank/cam
> position sensor (or what ever you vehicle uses). These sensors produce =
a
> ...
> ...

Right.  The oil pressure thing was just to indicate that there are lots o=
f=20
very roundabout ways to get the job done, but quite silly when the igniti=
on=20
signal itself can be used.

Cheers,
-Neil.

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