HEI

[Bruce Plecan]

From: Donovan L. Dibble <ddibble at mail.eds.com>
Subject: Re : HEI


 I've just assembled a small setup so I can
>monitor the distributor advance with respect to the vaccuum
>signal.

On the canister there just might be a two digit no., and that would be
the d advance.  Might just consider using the curve off the SYTY
Promgrammer as a starting point..

>I hope to find an older Chevy 350 truck so I can also grab the fuel
>pump, harness connectors, etc.  I'm guessing by going with
>a larger displacement 'donor' vehicle, the injectors will be able
>to keep up with the turbo on the 301.  Actually, if anyone has
>any info on TBI injector sizes, (or if my assumption is completely
>off base) please let me know :).

The color code, application, and injector sizes are in the DIY archives.
For the SBC+BBC TBI applications...

 I've begun researching GM TPI
>systems and have gotten reasonably familiar with them, but
>TBI is a different story.  I'm anticipating the TBI will be 'easier'
>to set up in that I won't need as many engine position sensors
>as would be needed for a sequential TPI system.  Hopefully,
>most of the CCC system sensors and a 68HC11 with some
>creative code will be sufficient for this.
>
>After that project is over, I would like to swap a GM TPI system
>on an older vehicle.  But that's going to have to wait for now....
>
>-Don
>
Cheers
Bruce