[TELVM]

My Megasquirted NA 1.6 makes 4.8~5.2 l./100 (45~49 USMPG) when driving like the granny at 90kph (55 mph) in fifth, this with a 14.5:1 AFR at those conditions.

At higher speeds however the bad aerodynamics take their toll, 150kph (91 mph) mean ~10 l./100 (23.5 USMPG).

I made some small experimenting on cruise leaning and this engine runs fine leaned to 18:1 in cruise, although of course throttle response sux bigtime then.

Also this engine loves advancing the ignition below 5500 rpm & 75 kPa.