Re: PCV Valve on a 359

Posted by HH56 On 2009/9/4 19:24:08

Kev, you're right that older cars are now exempt. Back when the law was newer in late 60's early 70's it was a different story. Don't remember which car I had at the time (not Packard -- maybe a 62 Pontiac) but do remember it had to have 2 things retrofitted before tags or renewal could be had. One was the PCV setup and the other was something to do with oxides of nitrogen. It had a vacuum connection and it altered the timing in some way. The car ran hotter and like crap after it was put on.