dual GM TBIs

Kevin Vannorsdel kv at us.ibm.com
Thu Oct 15 15:15:13 GMT 1998


 I found that everyone has a different answer for the CFM of GM TBI's---  I
*think* the truth is that GM never specified them.

Holley does specify CFM though as well as bore size-   maybe it is fair to
compare with GM's bore size?



________________________________________________
  Kevin Vannorsdel     IBM Arm Electronics Development
    408-256-6492                Tie 276-6492     kv at us.ibm.com



owner-diy_efi at efi332.eng.ohio-state.edu on 10/15/98 07:53:20 AM
Please respond to diy_efi at efi332.eng.ohio-state.edu
To: diy_efi at efi332.eng.ohio-state.edu
cc:
Subject: Re: dual GM TBIs


What are the CFM ratings for a 4.3, 5.7, and 7.4 liter TBI?  What
about the injector flow rates?

Andy Q

---Scot Sealander <Sealand at clarityconnect.com> wrote:
>
> andy quaas wrote:
>
> > I jus saw this on the turbocity homepage.  Has anybody had any
> > experience or heard of any with this?
>
> Heard of it?  Yes.  Experience, no.  But their Dual TBI picture has
> been my Win95 wallpaper for about 4? months now.
>
> If you would like some magazine info:
>
> Truckin'  Sept '91  page 90  Chevy 350
> (This is the article that started my own quest to understand the GM
> ECM's)
>
> Truckin'  May '93  page 222  Chevy 454
>
> Sport Truck  Aug '91
>
> Ran out and bought a dual quad intake (for SBC) at Memphis Super Chevy
> in April '94.  Bought the TBI's off a couple 4.3L, at local U-Pull-It.
> Made
> the TBI to 4 barrel adapters.....  Alas, no V-8 right now!  My wife
has
> a GMC Safari van, (4.3L TBI), and I have a Turbo Grand Prix.  I guess
> she
> needs a V-8!
>
> Got a couple 400 SBCs in the garage..... One of these days.
>
> Scot Sealander    Sealand at clarityconnect.com
>
>

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