Multi Coil Setups

[Bruce Plecan]

Just a pinout of the coil
Grumpy

----- Original Message -----
From: "Orin" <orin at diy-efi.org>
To: <diy_efi at diy-efi.org>
Sent: Monday, June 26, 2000 1:28 AM
Subject: Re: Multi Coil Setups


> What are you sending him Bruce?
> Anything that I already posted so I don't need to repeat myself?
>
> Orin.
>
> > Email with an attachment on it's way
> > Grumpy
> >
> >
> > > Hi Orin, are these smart coils you mention used on the LS1? I have a
1998
> > > LS1 and need to understand the eight coils it has better. There are
four
> > > wires going to each of the eight coils.
> > >
> > > thanks,  dave
> > >
> > >
> > > ----- Original Message -----
> > > From: Orin <orin at diy-efi.org>
> > > To: <diy_efi at diy-efi.org>
> > > Sent: Wednesday, June 21, 2000 11:49 PM
> > > Subject: Re: Multi Coil Setups
> > >
> > >
> > > > > Check out the smart coils used on the late GMs, they have all the
> > > > > electronics in them, and just need the fire signal. Orin posted
about
> > > the
> > > > > "operation" of them.  They have an auto shut off.
> > > >
> > > > Yes, I'll dig out the info again...
> > > >
> > > > Leaving them armed isn't safe at very low RPM.  They will fire after
> > > > 1/10 second of being armed whether you tell them to fire or not.
> > > >
> > > > As I recall, over 2.7V on the fire input arms them, then
> > > > grounding it fires them.  Ie you don't need much more than
> > > > an opto-isolator and a resistor to drive them.
> > > >
> > > > Orin.
> --------------------------------------------------------------------------
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