Re: Distributorless ignition (I'm new around here)

[ae2598@wayne.edu]

Yeah, northstar or aurora motors surely must use DIS.  Maybe the earlier
caddy stuff too, like the HT4100?

On Tue, 28 Nov 2000, Drew Skinner wrote:

> What about the caddys? 
> 
> >>> nacelp@bright.net 11/28 1:08 PM >>>
> 
> The ZR1 vettes, are the only ones I know of
> Bruce
> 
> 
> 
> 
> > Do any of the Yank GM cars run a 8 Cyl DIS spark system that we could
> adapt
> > the ignition module off like the Buick V6
> > -----Original Message-----
> > From: Bruce Plecan <nacelp@bright.net>
> > To: diy_efi@diy-efi.org <diy_efi@diy-efi.org>
> > Date: Thursday, November 23, 2000 4:46 PM
> > Subject: Re: Distributorless ignition (I'm new around here)
> >
> >
> > >
> > >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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> > >>
> > >>
> > >
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