cyberdyne speed calibration box

[Paul Tholey]

>The 4000 pulse system takes the reluctor and coil ac signal and converts
>it to a pulsed or on/off 12 volt DC signal.  One of the sparkies here
>said $20 at Rat Shack could buy enough parts to make a circuit to do
>that.  But he didn't offer to help.  With forty teeth, that would mean
>40 peaks every turn of the tranny output shaft. Right?  Getting from
>there to an on/off signal is beyond me.
>
>Joe Boucher
>'70 RS/SS Camaro  '81 TBI Suburban


All I know is that Street and Performance S-P at juno.com  say that they make
the adapters.  From the sound of it, it is probably at a reasonable price too.

Paul Tholey