What MPG are you guy's getting, What combo/

stock build 71 340 demon with tremec 5 speed
355 gears 255-70-15 tires (I think) checked milage
on a 300 mile round trip took it easy (very hard to do)
got 25 MPG ofcourse that's wasn't the normal way
to drive the car tachs around 1800 RMP at 65 MPH
in 5th gear