Vortec Ignition Module

[Shannen Durphey]

Gonyou, Jeremy (.) wrote:
> 
> > I'm thinking that you meant to say that you have a smallblock 8 cylinder Vortec
> >engine.
> 
> Actually, 4.3 V6.  1997 MY.
> 
> >If so, you'll need some way to generate a reference pulse for the ecm.
> >The Vortec engine and OBD II ecm rely on the crankshaft sensor for that.
> 
> Oops, didn't know.  What's the 3 pins on the dissy for then?  I was thinking 3 pins meant a square wave signal (hall sensors have power, ground, and signal).
That's a cam position sensor.  Look at it, it's a shutter wheel type sensor. 
I'm thinking hall effect here.  I've considered making a new stamped steel wheel
with the appropriate notches for the v8 distributor but I've never followed
through. 

> 
> >may be able to interface the crank sensor's a/c output with an older HEI module
> >to use with that new, cool distributor.  The easy way is to use an older
> >distributor, but then you end up with an order of plug wire spaghetti to go. ;
> >)  Or you can sit down with someone who likes to spend time at a machine shop
> >and try to come up with a way to put a signal generator into the Vortec
> >distributor.
> 
> Hmm, interesting stuff.  If I was going to go wacky, I think I'd shoot for a DIS, being that this is a V6 (haha to all the V8 folk!)  So I have a 3 pulse sine wave coming from my crank, that's not enough resolution to run a SEFI engine, there has to be something I'm missing...
Cam sensor plus crank sensor will do it.
Shannen
> 
> Jeremy
> 
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