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Basic MPG
I am building a 1967 Sunbeam Alpine with a Ford 1985 2.3 carb engine. With an A4LD 4-speed overdrive with lockup torque converter, 2-barrel 2150 Autolite carb (Annular atomization...best MPG carb made), cool-air intake, torque cam, hot ignition, exhaust header, and free flowing exhaust, the engine is tuned for MPG. Taller driving tires should put the engine in the "sweet spot" torque wise at 75 MPH highway speed. My goal is 35 MPG at that speed with 2 people, luggage, using the Air Conditioner, and 89 octane gasoline. The auto engineer formulas say I am in that ballpark but driving will tell. Taking cooler air from in front of the radiator makes better combustion for cleaner burning and better torque. The car will weigh about 2450 lbs. plus 2 people and luggage plus our personal stuff. Maybe 2950 lbs. total. The 85 Mustang got 23 MPG without OD and my MPG mods, and it weighed 400 lbs. more.
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