holley TBI, 7730, and Howell

Raymond C Drouillard cosmic.ray at juno.com
Thu Jul 2 04:24:54 GMT 1998


On Mon, 29 Jun 1998 19:16:20 -0700 (PDT) andy quaas
<realsquash at yahoo.com> writes:
>I am curious.  Does anybody know anything about the Howell
>(www.howell-efi.com) TBI conversions?  I talked to them and they said
>that they use the 7747 and the 7730 ECMs with the Holley 4-bbl
>throttle body.  They do not modify the ECM at all except for the PROM.
> I am interested in buying their setup, so i bought a 7730 from a junk
>yard and I have all the GM sensors and a holley throttle body.  Any
>advice or comments about howell or using the 7730 with the holley TBI
>(and injectors)?  The 4 injectors are the 85 lb/hr capacity.  Thanks!
>
>Andy

Howell burns a PROM based on your engine and configuration.  Perhaps they
will be willing to burn a PROM for you (for a price).  How close are you
to being able to hook the system up?

Ray Drouillard

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