Quote:
Originally Posted by olredalert
----My understanding of 67 GM smog practices (and I could be wrong) is that smog was not necessary until Jan. 1st 1967. After that, it was mandated on the engines that needed them in California only. Other states had smog systems available as on option thru out the 67 model year...….Bill S
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That very well could be Bill, I’m not sure either.
I sold a Fremont 67 GTO last year that I owned for over 30 years that was mostly original and had the original smog system on it. I’d have to go back and look at the build date to see if it was before or after 1/1. If you’re right it would be after.
I think 67 was the first year of engine emissions?
Vern