Most point systems reduce voltage to the points to around 7-9 volts while running. I don't think it will hurt the engine. But with big cables 6 volt is fine. Brian


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