1972 Plymouth Valiant 4 door Auto Slant 6

MDchanic said
Shouldn't be. It's just a cast-in bowl.

Wow. I wasn't aware that they had two years of a giant open exhaust leak closed by a flimsy piece of sheetmetal that is pretty much guaranteed to rust away – sounds like a "Better Idea™" worthy of Dearborn.

Sorry for telling you the wrong thing.

– Eric