Low speed engines run forever on propane, it is very clean also. But work a truck or car hard on it & it beats the valve seats out, unleaded or not.


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6