gm altenators...and efi

[Ernst denBroeder]

They also squeal like a bastard when the rear bearing starts to 
go...  you'll notice it first on cold days.

Ernst


At 04:39 PM 6/21/00 -0400, you wrote:
>Trouble is the're prone to failure, and are a PITA for DIY repairs.
>Grumpy
>
>
>----- Original Message -----
>From: "Mike Rolica" <mrolica at meridian-mag.com>
>To: <gmecm at diy-efi.org>
>Sent: Wednesday, June 21, 2000 4:00 PM
>Subject: RE: gm altenators...and efi
>
>
> > .. rather use this new style.. uses 2 less hp, uses oem brackets..
> > is the same as 86 and up altenators..
> > ie your gn.
> > Mike Rolica
> > Plant A,
> > Magnesium Products Division
> > Strathroy
> >
> > (519)-245-4040  Ext. 265
> >
> >
> > -----Original Message-----
> > From: Bruce Plecan [SMTP:nacelp at bright.net]
> > Sent: Wednesday, June 21, 2000 3:42 PM
> > To: gmecm at diy-efi.org
> > Subject: Re: gm altenators...and efi
> >
> > I *think* yours is similiar to the one I had in my 84 F-body, I took
> > it to a
> > good local altern shop and they changed the guts of it, and walked
> > out with
> > a 108 for like $40US, or about $2,400 Can..
> >
> > > Well on my way home last night I notice my signl lights were slow
> > to
> > flash..
> > > then glancing over at the factory volt gauge, it was at 8..
> > > I used the original 3 wire 56amp alternator from the v6 in my
> > s10..
> > > They list 108 amp for the 87 camaro that the tpi was out of....
> > > I thought since I did add a lot of extra load ie the 30amps the
> > elec fand
> > > draw, the efi (injectors, ecm, fuel pump) (truck was carbed
> > before) I
> > should
> > > use the original altenator.. this way I could use the oem bracket
> > and
> > belts
> > > instead of my jigger rig bracket..
> >
> >
> > > now for the efi.... As the voltage got lower.. it started running
> > fatter
> > and
> > > fatter, till it started missing ( have msd and good coil) I think
> > this is
> > > due to the bat voltage vs injector offset..... also idle whent up
> > 300rpm....
> > > Is there something in the code to kick idle up if voltage drops
> > below a
> > > value???....
> >
> > Dunno about that, but at 8v the ecm might have had trouble with the
> > 5v ref,
> > or being able to filter things depending on what took a dump in the
> > alternator.  Open or shorted diodes can fubar lots of stuff
> > Grumpy
> >   Welcome back!
> >
> >
> > >
> > > Anywho...though it was cool..
> > > Mike Rolica
> > > Plant A,
> > > Magnesium Products Division
> > > Strathroy
> > >
> > > (519)-245-4040  Ext. 265
> > >
> > >
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