Wollfen
Old Man with a Hat
I had a 318/727 1970 Plymouth fury sedan years ago and was getting about 22mpg on the highway at 63mph, 3.23 gears in the rear and 235 75 x 15 tires.Now that I've put close to 600 miles on my 1970 Polara (318/904, just under 32k miles, no AC), I can talk about mileage. Over the past 300 miles, I have pretty consistently gotten about 10 mpg in the city and 15 mpg on the highway. The mileage may improve a bit as temps drop (pretty hot right now) and as I get more familiar with the car.