Dial back timing lights ? I've been having abit of an issue on Antons T engine ( see question 2 thread ) and doing a bit of searching roun the 'net I've seen that mainly the Yanks are not fans of them saying they should only be used on electronic ignition set ups as they have an additional delay ( as well as the dial back ) built in which can give false readings ? Anyone know for sure as I've checked the bumf at Gunsons and it says suitable for points and electronic.

Would there be any issues using it with an HEI set up ?