Catalytic Converter on a 65 Slant 6?

Kern Dog said

There is no carbon footprint unless you're driving the car in a poor state of tune as a daily driver. The amount of pollutants your properly tuned car emits is minimal if you drive it a few times a week. Classic cars are a tiny percentage of the cars on the road. Your pollution is equivalent to a drop of water in the ocean.
Don't buy into the BS "Green" agenda.

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Thanks for the feedback and positive discussion. I'm not 'buying' anything other than my own research, part of which is reaching out to others like yourselves. As to the 'drop in the ocean' analogy, given that that ocean temperatures have risen over 1.5 degrees F in my lifetime and are accelerating, and that sea levels are predicted to rise between 1.3 - 2.6 ft this century, I'm of the belief that every little bit helps.