I bugged Tracy to do something like
this for years. Megasquirt also had/has it.

We are using it on the time to climb engine.
IMHO it is the finest after market EFI on the
market. However it is rather expensive at around
$3000.

If you don't mind spending a little time learning
to program in BASIC the Color Maximite can do more or
less the same thing starting at $60.

http://circuitgizmos.com/gizmo-store/

Paul Lamar

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