And you should see what it does to a cheap timing light that isn't expecting
it! KABOOM!
Luke
'71 Spit - "Fireball"
That, for once, wasn't something that _I_ did!
>
> MSD and Crane both make multiple-spark systems - each time the
> distributor gets to a new plugwire, it sends out a series of sparks
> (10-20, depending upon conditions and model) instead of one under the
> theory that if the first one doesn't burn all the gas/air, the next one
> will, or the next one will, or the next one will . . . .
>
> Tachs try to count each spark and end up registering none of them. The
> add-on part is a simple transformer coil that aggregates all those pulses
> and shows them to the tach as a single pulse.
>
> Mike
> Renton, WA
>
> Fred Griffiths wrote:
>
> > Just read Gower-Oaks web page about Smiths instruments and found the
> > following:
> >
> > Tachometers
> > All tachometers will work with the 3 basic ignition types:
> >
> > breakerless ignition
> > contact breaker
> > ECU output engine management system
> >
> > Problems occur where cars have the M.S.D type electronic ignition (as
> > found on some
> > American engines). The purchase of an ignition module, catalogued as
> > part number IGM
> > 1001-00, is necessary in order to give the tachometer the correct
> > signals.
> >
> > I'm curious - what is the M.S.D. type electronic ignition mentioned?
> >
> > Appreciate answers,
> > Cheers,
> > Fred
> >
> > --
> > Fred & Wendy Griffiths,
> > Calgary, Canada
> > http://www.cadvision.com/griffco/index.htm
> > mailto: griffco@cadvision.com
>
> --
> Mike
> Renton, WA
> >>--------------> 914 Lite 2.5 is FOR SALE:
> http://home1.gte.net/NugentMD/914lite.htm
>
>
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