Catalytic converters

MoparMike1974 said

You are probably right, CA is emissions KrAzY.
I think it was federally mandated in 75.

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I worked for Chrysler in Orlando FL till about 1976. In 1975 The 318 Cordobas came from the factory without Catalytic Converters. They ran so clean they were not required. I distinctly remember that.