how to increase mpg
serious problems at 10mpgs.
step 1, complete tune up. air and fuel filter, Plugs, wires, points, rotor cap, timing, valve adjustment, carb tune, compression test, check for any vacuum leaks, etc. your car will love this anyway. Do the oil while youre at it.
reevaluate
step 2 rebuild your carb. its cheap and easy.
reevaluate
step 3 check out the tranny. it MAY be slipping.
10MPG is acceptable if you had a 440.