'89 was the last year for DJ code WBX. Yes, it generally came without a cat, but the German brochure clearly lists a cat. These were fitted with an additional lambda ECU that piggy-backed onto the Digijet system. 

Chris.

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Dnia Mar 18, 2012 o godz. 14:22 Alistair Bell <albell@SHAW.CA> napisał(a):

> I think the good old digifant DJ 2.1 came without a cat in Germany until around 89/90 model year.
> 
> alistair
> 
> 
> 
> On 2012-03-18, at 11:17 AM, Dennis Haynes wrote:
> 
>> 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
>>