Also GMC amp gauges show numbers, Chevies show D and C. GMC fuel gauges are marked FUEL and Chevies are marked GASOLINE. Gmc brake and fuel lines are clamped on with screws and nuts, Chevies have clips.

I'm referring to AD/ND series trucks.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.