[Diy_efi] TBI questions

[Joe Lutz]

The page doesn't have the injector flow rates for the 4.3L.
http://www.diy-efi.org/gmecm/component_info/tbi_injectors.html
Thats no big deal though, at least I know now the bores are the same.

It was my understanding that the Quad 4 used a 749 ecm with 4 p&h injectors. 
  Am I mistaken?

Thanks,
Joe


From: steve ravet <sravet at arm.com>
>Reply-To: List for general do-it-yourself EFI talk <diy_efi at diy-efi.org>
>To: List for general do-it-yourself EFI talk <diy_efi at diy-efi.org>
>Subject: Re: [Diy_efi] TBI questions
>Date: Sun, 01 Jun 2003 22:44:44 -0500
>
> > Joe Lutz wrote:
> >
> > I need to know if the TBI units found on a 4.3L are the same bore and
> > injector size as that found on a 5.7.  I checked the gmecm website,
> > but couldn't find the answer.
>
>The answer to the bore question is in the archives:  1-11/16" for the
>4.3, 5.0, 5.7, 2" for the big block, and something smaller for the 2.8
>v6.  Injectors vary, there is more info on the gmecm page (click
>component info, tbi and injectors).
>
> > Also, since the 749 ecm can drive four peak and hold injectors, can it
> > also drive 4 TBI injectors?
>
>I don't think the 749 can drive 4 peak/hold injectors.  Where did you
>see that?
>
>--steve
>
>--
>Steve Ravet
>steve.ravet at arm.com
>ARM,Inc.
>www.arm.com
>
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