I GOT 120 MILES OUT OF A QUARTER OF A TANK IN MY 4X4 ON THE MOTOR WAY AT AROUND 80-90 WITH LITTLE BOOST UPS AS YOU DO.
MINE RUNNING STAGE ONE AT ONLY 244.5 BHP WITH A T34.

I AM ALSO USING THE HIGHER OCTANE FUEL (97)RON AS IT APPARENTLY LAST A LITTLE LONGER