theory, formula and charts/graphs can be illuminating , i would need to look at the language associated to understand.
i always liked the Classic fiat
cinquecento, 21 bhp 1957-1975
the new units put out a *little* more
0.9 L (875 cc) TwinAir 85 PS (63 kW; 84 hp) @5500 3.6 L/100 km (78 mpg-imp; 65 mpg-US)
my unit is all analog 1950's technology ..
i am about to embark on quite the "Mad Scientist" or perhaps 1950's *souped up*
trial. i fitted a metered slow feed device to the intake manifold , when throttle application is decreased the feed rate increases ..feed various mixes in and see what happens , could be i melt a hole in the piston , could be a measurable effect or none.
run trials with light top oil , water /methanol mixes, top fuels [methanol/nitromethane 20%]...,, they way i go full trials will take 1000 miles .. i wonder wht will happen
but this is your introductory string and as a newboy myself feel bad about monopolizing it with my stuff the proper subject it to improve your mileage,
i do know the Vacuum gage when coupled with my analog SU HIF44 provides good info, , unsure about a fuel injected w/ computer controle