I have a '60 235 and I'm using AC-R43 plugs. I couldn't find AC45 plugs locally, but I bought the first plugs the would work. Need to add - My truck is not on the road yet, but hopefully soon.

Last edited by UtahYork; 08/18/2025 11:17 PM.
~ John in Utah
1946 1/2Ton w/4-speed manual transmission w/1960 235 engine
Here We Go
Follow in his DITY Bay

- If you think about it, it has been one year ago today!