This photo of the Engine Test (Run-In) Department at Cadillac’s Clark Street Plant in Detroit on August 24th, 1964. All Cadillac engines got a run-in test before installation. Note the Carter AFB carburetors and Turbo Hydramatic 400 transmissions.
https://psyne.co/products/thermoquad-carburetors-1971-vintage-mens-t-shirt/






