Converting a Mopar 440 to GM TBI

[Brian Roth]

Thank you. That is very useful information.

Brian

> ----------
> From: 	rr
> Reply To: 	gmecm at diy-efi.org
> Sent: 	Thursday, March 8, 2001 9:18 PM
> To: 	gmecm at diy-efi.org
> Subject: 	Re: Converting a Mopar 440 to GM TBI
> 
> 
> The 220 comes in three sizes: 1 3/8", 1 11/16", & 2" bores. There are
> various
> injectors used throughout.
> 
> The gmecm site has more details.
> 
> BobR.
> 
> Brian Roth wrote:
> 
> > I'll try. Here goes.
> >
> > Bob,
> >
> >         I saw the page you posted on the conversion you did. You may be
> > almost as cheap as me. I really admire your work!
> >         I have a 1983 Mitsubishi pickup in which I have installed a 1988
> Mustang 5.0
> > EFI HO motor. It works pretty well.
> >         The purpose of this inquiry, though, is another project I am
> contemplating.
> > I want to add GM TBI to my 1978 Mopar 440 which powers my 23 foot
> motorhome.
> > I want to scavenge parts from our local self service junk yards.
> >         I have some questions that I thought you might answer:
> >
> > Did GM make more than one throttle body with two injectors. I noticed
> you
> > used a throttle body that you did not know the origin of on your 403. I
> > assume the CFM flow rate is OK even though I understand you are not
> using
> > this as  a fuel source but mainly for air metering. My brief research
> seems
> > to indicate that there was only one two barrel throttle body made, the
> model
> > 220, which was used on everything from V6's to 454s. I want something
> close
> > to what was used on the 454s but fuel injected 454s are impossible to
> come
> > by at the price I am willing to pay. Could I get the throttle body from,
> > say, a Cadillac 4.1, add injectors designed for a 454, use the harness,
> > computer and sensors (modified for V8 use) from a 4.3 V6 or 2.8 V6 and
> be
> > ready to rock and roll? It seems that I may not want to use all of the
> Caddy
> > 4.1 setup because it is Digital Fuel Injection.
> >
> > Let me know what you think if you have the time.
> >
> > Brian Roth
> > broth at sanjuan.edu
> >
> > Thanks for taking the time.
> >
> 
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