These pages are my attempt to share
helpful information about popular GM and (later) other Engine Control Management systems,
both hardware and software.
We are featuring a guest expert from the DIY-EFI group, Bruce Plecan, This gentleman has gone a long distance towards hacking out the type $42 ECM and we a pleased to showcase his efforts. Click on "Bruces Page" to view his work.
E-mail for ECM
Guy