I have searched with a lot of different keywords before asking this but haven't come up with anything. I've got a stone stock 84 1.5, carb, 3spd auto. I love this little car ! My question regards the final drive gear ratio. At 65 mph on the highway I'm turning roughly 34-3500 rpm, which seems awful high considering our Camry and Tundra are in the low 2s I bought this thing for the gas mileage, (avg 34-35, 80% highway, 20% city). Is there any kind of swap, keeping the automatic, that would give me a better final drive ratio or even a 4spd auto swap to boost the overall mpg and keep the motor rpms down.

Thanx,
AL