Converting a Mopar 440 to GM TBI translated

Jove Malcolm jmalc069 at uottawa.ca
Thu Mar 8 00:22:29 GMT 2001


as a real quick answer, theres two major TBI units gm made. one was found on
the 4.3's and 305's and 350's. flows like 500cfm or something around there.
Then there is the bigblock TBI unit, with 2" butterflies. this is what all
the aftermarket units are based on.
----------------------------
Jove Malcolm / TheDrip
drip at home.com
ICQ: 6778499
http://www.sendon.net/~drip
1989 Chevy Blazer
1980 Pontiac Trans Am WS6
1960-1990 Combined pile of rust
approximately the size of a vehicle

----- Original Message -----
From: <ECMnut at aol.com>
To: <gmecm at diy-efi.org>
Sent: Wednesday, March 07, 2001 7:08 PM
Subject: Re: Converting a Mopar 440 to GM TBI translated


> I want to install a GM TBI system on my
> 1978 Dodge motorhome with a 440.
> I think that something similar to what
> was used on a 454 would work pretty well.
> I am trying to pinch pennies so I do not
>  want to spring for a setup taken
> directly off a 454.
>  My brief research
> seems to indicate that there
>  was only one GM 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 454 but fuel injected 454 components
>  are not available 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
> from a 4.3 V6 or 2.8 V6, distributor from the
>  Caddy 4.1(modified to work on the 440)
> 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.
> I have installed a 1988 Mustang 5.0 EFI motor
>  in my 1983 Mitsubishi pickup complete with Mustang
>  rack and pinion steering and a disc brake Dana 44
>  from an Isuzu Trooper. I know this conversion
> involves the four letter word F-O-R-D but it
>  does work pretty good.
> I mention this mainly to indicate that I am willing to
>  modify things to make them work.
>
> Let me know what you
> think if you have the time.
> Brian Roth
> broth at sanjuan.edu
> --------------------------------------------------------------------------
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