A few questions for you guys. I have a 1970 Dart with a 340 bored .30 over, running a comp cams thumpr 227/241(part CL20-600-4), 800 cfm eddy, 2300-2500 stall , 3.55 gears and 40 series flow masters. I have the timing rolled back to 15 degrees BTD. The car runs strong, gets horrible gas mileage...