I have a C20 LET in a cav sri, my petrol bill is crazy, i know its a high performance engine and will use a quite a lot of fuel but what sort of milage should i be getting from 20quid and a tenner of fuel,
im using shell optimax,
i am roughly getting 50 miles to a tenner and 100 to 20 quid is this correct or should i get it looked at???
let me know