[Diy_efi] external coil gm hei modules ?

[Bruce]

GM manages the dwell to change the timing.
Sounds like you just need to swap in a GM ecm/ignition system.  GM has
several turbo application cars, so all the engineering's been done.
Bruce

----- Original Message -----
From: <Djfreggens at aol.com>
Subject: [Diy_efi] external coil gm hei modules ?
> i have a question about the function of the gm small cap hei ignition
module
> found on
> EFI gm cars/trucks. how exactly is timing controlled in these units??? how
> does the signal proccess work. in my playing with honda efi i noticed that
it
> uses voltage to cycle a vacum selenoid therby retarding and advancing the
> timing. how does the gm module work. if its a similar operation i may have
a
> way to solve one of the most annoying problems in turbocharging the
(86-89)
> honda accords. thanx for any help !


_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi