Could be a lot of differences. Carburetor instead of fuel injection,
ignition timing, Valve timing, O2 sensor, compression ratios, even gear
ratios. All these items can have an effect on emissions especially the
production of NOx. Many other countries simply allow more pollution
especially back then.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
Alistair Bell
Sent: Sunday, March 18, 2012 1:20 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Catalytic Converter???? Anyone go without it???

same engine was used in other countries sans cat. I wonder what the
engineering differences were? Any ideas Dave?

alistair

On 2012-03-18, at 9:41 AM, Dave Mcneely wrote:

> Marc, whether your state or local jurisdiction has an emission
> inspection requirement or not, the converter is required for legal
> operation of your vehicle.  Further, the vehicle is engineered to
> operate properly with a functional converter installed.  Sure, folks
> run without it.  Some folks kill others for money, too.  That doesn't
> make it legal or right.  mcneely
>
> ---- marc rose <mrose1028@GMAIL.COM> wrote:
>> I went to change out my worn out and rusted muffler on my 90 Carat
"Rosie"
>> yesterday and noticed that the converter was all busted up and the
>> ceramic is all but gone.  I live in an area that has no enforced
>> emission tests or anything like that. My question is can i can safely
>> run without the convertor.  I was going to just bust out the rest of
>> the ceramic and reinstall but was not sure how it would affect the
>> overall operation of the engine.
>>
>> Any thoughts??
>>
>> Thanks
>>
>> Marc
>
> --
> David McNeely