RE: IML: PCV systems and other California smog trivia; Was: correct carb for '67?

["Dick Benjamin" <dickb@xxxxxxxxx>]

Yes, this was typical of the early attempts at controlling air quality.  The
law of unintended consequences was alive and well at that time.  

The purpose of the device we were talking about was to reduce "NOX" - oxides
of nitrogen, which is produced at high combustion temperatures.  While it
did accomplish that, it increased hydrocarbon emissions - that is why it
didn't stay around forever, although they were characteristically VERY SLOW
to acknowledge that it was a bad idea.  

Can you say "MTBE"?

Dick 

>>>-----Original Message-----
From: Mike Pittinaro
I wonder, though (and this is purely theoretical
hindsight) if the decreased performance caused by the
NOX setup actually caused more emissions?  




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