[Gmecm] '747 and multi=port

[David Haggard]

Thanks.
Did that setup come from Edelbrock? I mean, connecting the injectors to the '747?

David 

> -----Original Message-----
> From: gmecm-bounces at diy-efi.org 
> [mailto:gmecm-bounces at diy-efi.org] On Behalf Of Dave Harvey
> Sent: Friday, April 08, 2005 12:43 AM
> To: gmecm at diy-efi.org
> Subject: Re: [Gmecm] '747 and multi=port
> 
> David,
> My 91 GMC pickup was originally TBI w/ 1227747. I installed 
> an Edelbrock multi-port injection sytem on top of an HT383 
> engine. The Edelbrock uses the '747 to bank-fire the 
> injectors. I'm 99% sure the injectors are wired in parallel 
> in 2 groups of 4. Pretty slick setup.
> 
> -- Dave
> 
> David Haggard wrote:
> 
> > I seem to recall reading in past documents and messages 
> that a 1227747 
> > can run multi-port injection in bank-fire mode.
> >
> >  
> >
> > Is this true? If so, should each bank of injectors be wired 
> in series, 
> > or parallel? (I once had a dual 2-bbl TBI setup on a crossfire, and 
> > those injectors had to be wired in series. They would not 
> fire at all 
> > in parallel.)
> >
> >  
> >
> > David Haggard
> >
> >    '88 Formula Firebird "SR-71 Black 'Bird"
> >
> >  
> >
> >
> 
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