I drove lots of '70's and '80's GM medium duty trucks with single wall gas tanks on the outside of the frame, many were designed as the step up to enter the cab.


1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy