Re: Need info/help on gm ecm conversion

[Shannen Durphey <shannen@grolen.com>]

I dunno jack about Mazda rotaries, but I'm getting the impression that
one plug fires a short time after another?, in 3 groups of 2?  Anyway,
syty ecm controls 3 cylinders, add on a Jacobs or similar timing
computer to put out a delayed spark pulse to a second coil for 2
sparkies per cyl?
Shannen

Bruce Plecan wrote:
> 
> Hmm, maybe
> one injector event per spark event.
> One distributor, or two?.
> You wanna keep 2 plugs per chamber I a$$ume. So would take 2 ecms.  Wish ya
> lived closer, that would be a real fun exercise in kluding......
> 165 TBI might be a good beginning. Or that Geo 3 cyl thing....
> Grumpy
> 
> > I don't remember if the thread was on this site or the diy site..
> > But anhow...
> > Bought another rx7.. well actually 1.5 rx7 :-) comes with nother motor and
> > trans.. coulnt pass it up.. heck of deal.
> > So now I have 2.5 rx7's..
> >
> > Was wonering if anybody had tried or succeded in converting the rotory to
> > run off of a gmecm....(gears are turning........)
> >
> > Truck is dead for the rest of this year....blew head gasket.......
> > Gonna try for 500hp this time (450 would make me happy)......
> >
> > Mike Rolica
> > Plant A,
> > Magnesium Products Division
> > Strathroy
> >
> > (519)-245-4040  Ext. 244
> >
> >
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