Early Bronco Aluminum Radiator Leak Detection And Pressure Test Stant 12701

I've suspected my 1966 Bronco has been leaking for some time. It seemed like it would come and go. I know now that after the coolant leaked past the hole high up on the radiator is would leaking. I bought this stant pressure cap so I could hook up my air compressor.

Stant Radiator Pressure Tester in this video
https://www.amazon.com/gp/product/B000VNHRYI/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B000VNHRYI&linkId=62517441350e97daf324800b537d2b0a