Quote Originally Posted by PhilipA View Post
There are several Piggyback chip makers including unichip( which is fading out as they charge their dealers high fees) and Haltech which seem to be the go now. These chips intercept the sensor signals to the ECU and alter the fuelling . More importantly for a 14CUX, they replace the vacuum advance with a computer generated "vacuum advance "curve. this revolutionises part throttle performance , and full throttle as the V8 can take much more advance than that allowed by The old dizzy.


....... but I do not think it is for the faint hearted or have a look at this site
Trigger-Wheels
Regards Philip A
Speaking of faint-hearted. here's a link to a programmable ignition kit. - (Thought it was obsolete, but...) Programmable High Energy Ignition System - Jaycar Electronics

Though this will only alter the ignition advance-curve, it may be a worthwhile First Step.