Cat...

[peter paul fenske]

Hi Kevin.

Which ECM are you using. And CAL?

Pumping air into the cat will help immensely.
This is done with most TPI applications.

:peter

At 12:09 PM 8/18/98 -0400, you wrote:
>
> 
>
>Application is a 300HP Chevy Crate motor on a 4x4.
>
>Interesting comment---  this cat has a tube for air injection ...   what if I
>pump air into the thing?
>
>________________________________________________
>  Kevin Vannorsdel     IBM Arm Electronics Development
>    408-256-6492                Tie 276-6492     kv at us.ibm.com
>
>
>
>owner-diy_efi at efi332.eng.ohio-state.edu on 08/17/98 09:00:44 PM
>Please respond to diy_efi at efi332.eng.ohio-state.edu
>To: diy_efi at efi332.eng.ohio-state.edu
>cc:
>Subject: Re: carprom software
>
>
>Hi Kevin
>Oddly I have found fuel leaking into
>cat doesn't faze it.
>
>I believe with no O2 content there is no
>burning in the kat.
>
>However Cats only work around STOICH.
>So if you are running a rich AFR they
>do nothing.
>
>Make sure you are working around 14.7 to 1
>
>:peter
>
>Ps what was your application and cal
>
>At 11:08 AM 8/18/98 -0400, you wrote:
>>
>> Anyone have any experience with how much a good catalytic convertor will
>reduce
>>exhaust HC numbers?
>>
>>Also-  I assume that too much HC will cause pre-mature cat failure...  don't
>>want that either.  Any comments on this?
>>
>>I currently am at 1300PPM  HC at idle and need to get down to 150 or so to
>pass
>>emissions.   Some more chip work is sure to help but curious to check if
>anyone
>>had any comments about the cat effictiveness/failure.
>>
>>Thanks!!
>>
>>________________________________________________
>>  Kevin Vannorsdel     IBM Arm Electronics Development
>>    408-256-6492                Tie 276-6492     kv at us.ibm.com
>>
>>
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