I played around with my MU a fair bit when I ran PI. I did the work with an air fuel ratio meter connected recording data while driving a standard circuit with different driving conditions. My advice is definitely get rhe MU baselines by someone like Neil first. This gets you 90% of the way, in some cases, depending on the state of the engine, all the way there. Then depending on your skill and whether you have and Afr you can do the last 10% yourself. I got kine to a state where bogging was non-existent but I was also not running as rich as the standard setup making it less smelly and more f