GM HEI computer control

[Heinrich Gerhardt]

Ross,
In the course of injecting my Pontiac 428, I found that a 7-pin module will
fit in the space of the old one, but the mounting hole spacing is different.
A direct bolt-in is to use an '81 Pontiac distributor.
Heinrich Gerhardt
-----Original Message-----
From: Ross Corrigan <zxv at istar.ca>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Sunday, December 06, 1998 9:58 PM
Subject: Re: GM HEI computer control


>>The computer controlled system has no vacuum or mechanical advance.
>>Spark advance is handled by the computer.  To hook it up to a computer,
>>you will need a seven-pin module and the appropriate connecter.  Also,
>>you will need to remove and plug the hose from the vacuum advance, and
>>figure out a way to tie down the mechanical advance.
>
>So my HEI vaccum advance distr. can be used as a CC HEI by only changing
>the connector and the internal module? (assuming I successfully eliminate
>the mechanical and vaccuum advance?, so the 7 pin module fits in the pre CC
>HEI dizzy?)
>
>a great tidbit to know
>
>Ross Corrigan  /  Vancouver, Canada
>
> '80 327ZX   IZCC#255, Edmonton Z-car Club #44, British Columbia ZCR
>Life's a journey, not a destination.. Enjoy the pitstops and maximize the
>straights
>
>mailto:zxv at istar.ca     *New ICQ # 11549358
>http://home.iSTAR.ca/~zxv/index.shtml
>http://207.212.212.139/~corrigan/gearheads/pics/wheels/sirbg.jpg
>