my 33 has a 3tc Yota/5 speed, Weber, Header...... truck weighs 1700 pounds and gets 40mpg... my 67 chevy pu has 325+hp 327/th400, 3.08 gears and gets 14.94mpg @ 70-75mph and if ya stay at 60 it gets around 18mpg...... the 65 ford pu has a 305/th350, 2.73 open 10 bolt and gets 24 ALL day long on...