Distributorless ignition (I'm new around here)

Bruce Plecan nacelp at bright.net
Thu Nov 23 08:25:46 GMT 2000


Electromotive sells all the bits to do that, and even  a.
ZR-1 are a parts source but rare.
Alternatives use two electromotive sensors and tone rings, inside the oem
dissy
Some reading at the 332 site.
MSD supposedly has a v-8 dissy for SEFI so it has a synch signal, if I
recall right.
Bruce

>      I am intrested in making a distributorless ignition for my early V8
> engine...My electronics training is limited to a junior college
"Introduction
> to electronics" course and a semester of "Electronic math".  I have read
> Drury's DDIS article...but even that was a little much for me, as I didn't
> understand alot of the lingo.
>      My goal right now is to just build the initial infrastructure needed
to
> fire the coils at idle with static advance. I've broken this down into
> subgroups:
>
> 1. Power my coils, The coils are junkyard sourced from the late 80's GM
3.8
> liter 6cyl three coil packs.  I've been looking for a four coil pack from
an
> Aurora or something but they don't seem to have trickled down to the "pick
a
> part" yet.
>
> 2. Trigger the ignition, I was thinking of four hall effect transducers at
90
> degree intervals and a magnet epoxied into the crank pulley.
>
> 3. Control the coils, Find the correct transistor to work with the hall
> effects in order to control current to the coils.
>
>      My current quandary is what type of hall effect sensor I should
choose,
> www.digikey.com requests info. such as "output type" and "package/case"
and I
> really don't know what my parameters should be.  Can anyone suggest the
best
> transducer for my application?  Someday I will advance to digital control
of
> the advance curve and maybe even fuel injection but right now I am just
> trying to keep everything as simple and cheap as possible.  My sincere
thanks
> to those who have read this far...any input is valued.
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