An excellent post explaining why and how an engine needs the ignition advance – and how the weights inside the dizzy and the vacuum advance from the carb provide this ignition advance.
https://littlegreenlandy.com/2019/10/20/vacuum-advance-pipe/
a collection of classic car tech tips, tricks, ideas and information all about performance, modifications, maintaining the MG MGB and GT from across the Internet. Also tuning, servicing, repairs and mods on my own classic car a 1975 MGB Roadster
