Question about Howell conversion.

Bruce Plecan nacelp at bright.net
Sun Apr 4 18:04:18 GMT 1999


----- Original Message ----- 
From: andy quaas <realsquash at yahoo.com>
To: <diy_efi at esl.eng.ohio-state.edu>
Sent: Sunday, April 04, 1999 1:14 PM
Subject: Re: Question about Howell conversion.

I never said that about them.
Bruce Plecan



> They use a GM 1227730 and 1227747 ECMs with their own calibration. 
> Their website is www.howell-efi.com, but they don't have the 7730 stuff
> there.  Bruce Plecan bought a calibration from them (for the 7730) and
> he says it's sloppy.
> 
> The wiring is simple.  You have to change the MAP sensor to a GM type. 
> They dont use an air temp sensor, but all the rest are the same.
> 
> Do you have an IAC?  If so, that will plug right in, also.
> 
> Andy
> 
> --- esc <esc at firstnethou.com> wrote:
> > Does anyone know which ECU Howell uses whan they do
> > their conversion of a
> > Holley projection4?
> > 
> > For that matter...does anyone have a number or web
> > address for howell?
> > Eric
> > esc at firstnethou.com
> > If it breaks, make it stronger.
> > If it doesn't, try harder.
> > '68 Big Block Bird
> > '69 Spitfire
> > '82(sort of) Camaro
> > 
> 
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