Wow! nice truck, my first vehicle in high school was a '67 C-10, had a transplanted 396/powerglide-a real sleeper. I have no idea what the knob is.
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
| 
