Re: IML: Catalytic converters

[Christopher Hoffman <imperial67@xxxxxxxxxxxxx>]

Catalysts were not specifically required in 1975. The emissions standards
were tightened such that the only way for most manufacturers to meet them
was to install catalytic converters, but there were passenger cars sold
without cats through 1977.

I had one: a '77 Honda Civic CVCC that sipped regular gas. It never failed a
smog check in the 13 years I owned it (and that was with a 3-barrel carb and
manual choke that I never did a thing to beyond a spritz of Gumout once a
year). 

In 1978 the standards got stricter still and by then all cars (except
diesels) had cats. 
-- 
Chris in LA
67 Crown
78 NYB Salon



On 1/21/05 8:05 AM, Wm. R. Ulman (twolaneblacktop@xxxxxxxxxxx) wrote:

> In '75 catalytic
> converters were required on all cars, and unleaded gas was mandated for cars
> equipped with those.  Unleaded gas was available in earlier years, but not
> required till '75 when the converters were installed.



-----------------  http://www.imperialclub.com  -----------------
This message was sent to you by the Imperial Mailing List. Please 
reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be 
shared with everyone. Private messages (and attachments) for the
Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx
To UN-SUBSCRIBE, go to http://imperialclub.com/unsubscribe.htm