Originally Posted by
RWD_cossie_wil
What fuel is that running? The headline figure is a bit misleading IMHO considering V power is 40-50Bhp down!
Nice power, but YB engines were doing this or close to 20 years ago

It says just above the graph what the fuels are, sorry if it's not clear.
The higher figure is 20% methanol and 80% VPower.