Shell V Power @ 98p litre = 56 litres to a tank = 12.3 gallons approx divide into 350 miles = just over 28mpg to a tank.
The same equation based on someone getting 225miles to a tank is a return of 18mpg!
Either the mixture setting is wrong, or they constantly drive like a hooligan.
The same equation based on someone getting 225miles to a tank is a return of 18mpg!