Stomp on it all you like, just remember, "approximately $4.00 a gallon, and when you stop on the old carb'd engines, you looking at about 3 to 5 mpg.
I let my son use the 72 Swinger (360/380hp mopar crate) he put about 80 miles on it that weekend, and used nearly a tank of gas doing it.... "Honest, I wasn't flogging the car, Dad"! lol