Possibly OT, ??s about a GM feedback Q-jet

[Scott Pearson]

I'm not real sure, but I think it was a 5pin. Don't remember which pile the
distributor ended up in.... too many parts laying around.

Scott
----- Original Message -----
From: "Programmer" <nwester at eidnet.org>
To: <gmecm at diy-efi.org>
Sent: Saturday, March 10, 2001 9:59 AM
Subject: Re: Possibly OT, ??s about a GM feedback Q-jet


> # of pins on the module ?
>
> Lyndon
> ----- Original Message -----
> From: Scott Pearson <mrcad472 at bigplanet.com>
> To: <gmecm at diy-efi.org>
> Sent: Saturday, March 10, 2001 12:22 AM
> Subject: Re: Possibly OT, ??s about a GM feedback Q-jet
>
>
> > I had ESC on my 82 Chevy truck and it didn't have vac or mech advance.
> >
> > Scott
> >
> > ----- Original Message -----
> > From: <ae2598 at wayne.edu>
> > To: <gmecm at diy-efi.org>
> > Sent: Friday, March 09, 2001 9:08 PM
> > Subject: Re: Possibly OT, ??s about a GM feedback Q-jet
> >
> >
> > > Maybe "electronic spark control" is the wrong buzzword for this
system.
> I
> > > figred that if the spark was controlled electronically, then you
> wouldn't
> > > need a vacuum can and weights/springs!  The only distinguishing factor
> > > between  this dizzy and a plain-vanilla HEI is the 5-pin module and
the
> > > extra wiring harness coming out the back.  If I have my way, there'll
be
> > > NO distinguishing factors :)
> > >
> > >  On Fri, 9 Mar 2001, Programmer wrote:
> > >
> > > > Hmmm...with electronic spark control ? I know they used 7 and 5 pin
> > modules
> > > > throughout
> > > > those years....right back to the early 80's.
> > > >
> > > > Lyndon.
> > > > ----- Original Message -----
> > > > From: Bob Valentine <bob at tecmark.com>
> > > > To: <gmecm at diy-efi.org>
> > > > Sent: Friday, March 09, 2001 3:58 PM
> > > > Subject: Re: Possibly OT, ??s about a GM feedback Q-jet
> > > >
> > > >
> > > > > It uses a 5 pin module, have one here on my desk....
> > > > >
> > > > > -> Bob Valentine
> > > > > -> bob at tecmark.com
> > > > >
> > > > > At 07:59 AM 3/9/2001 -0700, you wrote:
> > > > > >I thought that ESC system used a 7 pin module ? I don't think the
> PCM
> > (or
> > > > > >ESC computer) is doing
> > > > > >anything anyways...I believe you jumper "A and D" on the 4 wire
> from
> > the
> > > > > >dissy to bypass the computer.
> > > > > >
> > > > > >Lyndon.
> > > > > >----- Original Message -----
> > > > > >From: <Chipsbyal at aol.com>
> > > > > >To: <gmecm at diy-efi.org>
> > > > > >Sent: Thursday, March 08, 2001 9:08 PM
> > > > > >Subject: Re: Possibly OT, ??s about a GM feedback Q-jet
> > > > > >
> > > > > >
> > > > > >> I'll try to help you here, it's been years since I've fiddled
> with
> > > > these.
> > > > > >First, you don't have a mixture control solenoid. That solenoid
> > actuates
> > > > to
> > > > > >enlean the accelerator pump shot when the ecm so desires. It can
be
> > > > > >disconnected with no problems, except a persistant hesitation may
> > finally
> > > > > >clear up. The distributor is part of a ESC system. It can be
> > converted to
> > > > > >non-esc by disconnecting the four wire connector and jumping two
> > wires on
> > > > > >the dist side of the connector. Now here my memory gets a little
> > foggy.
> > > > If
> > > > > >you can tell me the colors of the wires and what position they
are
> in
> > the
> > > > > >connector, I can tell you which two to connect. There is a green,
> > black,
> > > > > >brown and the last one. The truck won't run with the connector
> > > > disconnected.
> > > > > >I used to get quite a few no starts with this system. The
customer
> > always
> > > > > >opted for the wire fix over the ecu replacement.
> > > > > >> AL
> > > > >
> > > >
> >
>
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> > > > > >
> > > > >
> > > >
> >
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