If GM were to use TPI today, it might be something like this...
http://www.eficonnection.com/coilper...dside_640w.jpg
- distributor-less, coil per cylinder ignition
- 4L60E (or 4L80E) transmission
- drive-by-wire electronic throttle body
- RoadRunner support :good:
- EFILive support :good: