http://chevy.oldcarmanualproject.com/


click: Tech Tip - here (check link on top menu on this page)
https://www.stovebolt.com/techtips/

click: Getting Started
https://www.stovebolt.com/techtips/#started

click: Manuals -- Chevy Truck Manuals : 1947-1955 1st Series, The Advance-Design Trucks
https://www.stovebolt.com/techtips/identification/Advance%20Design/index.html
(gives link to http://chevy.oldcarmanualproject.com/)