Woog - Here's another picture of a '69 C20 chassis with the helper springs installed, also from the 67-72chevytrucks.com board.
In this one you can see the auxillary springs mount on the exterior sides of the frame rails, well clear of the spare tire area between the rails.
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)