I don't drive mine every day. It has no heater core, has a 461 with 3.73 gears, so I am good for about 9-11 mpg. My 67 is not factory, not museum, not perfect, but it does race, it does need a paint job and some rust remediation on the rear quarters. I think someone else said it.... It's your car, do what you want. But for me, I refuse to have a classic that I don't drive or I am afraid to drive. It's why we have them.