Norm, I might have been wrong in stating that the cup style wouldn't work in a block that originally had the flat (I know that they are not exactly flat) kind. The reason I assumed that was because I think the flat freeze plugs came in the same sizes as the cup style, I.E, 1 1/2 or 1 3/8, so a 1 1/2 cup style couldn't go into a block that took a 1 1/2 flat style.
I could be rememberi
Forum:
Dodge Sweptline Truck General Discussion