I believe it was Ron who pointed out that those cars didn't have 3-way cats but only 2-ways where rich running was less of a concern Martin On 11/04/2012 19:12, Marc Levy wrote: > I know Bill likes to talk about all of the cars that have carburetors and catalytic converters, but he ignores the fact that most if not all of those cars included an O2 sensor, and some method of adjusting the mixture "on the fly". And also that the life span of Catalytic converters on those older cars was significantly less than more modern fuel injected cars. > ------------------------------------ To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnewsYahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: dmcnews-digest@xxxxxxxxxxxxxxx dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/