Which one is correct

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Which one is correct

bayareasmog
1989 Chevy Camaro 5.0 aftermarket catalytic converter
After market Catalytic converter - D-193-86 #36456 10/09


Catalytic converter data base - 2 catalytic converters TWC+OC

Executive order PDF - 1 catalytic converter TWC+OC
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Re: Which one is correct

scanner
bayareasmog wrote
1989 Chevy Camaro 5.0 aftermarket catalytic converter
After market Catalytic converter - D-193-86 #36456 10/09


Catalytic converter data base - 2 catalytic converters TWC+OC

Executive order PDF - 1 catalytic converter TWC+OC
Is there a test group number?  Is this California or Federal cert'ed?
Why make it simple, when it will work equally as well complicated.
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Re: Which one is correct

bayareasmog
In reply to this post by bayareasmog
Just spoke to ARB. We need to go off of PDF. This vehicle only requires 1 CAT. This smog check program is some bullshit.
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Re: Which one is correct

bayareasmog
In reply to this post by scanner
No test groups. All of them are the same, under N/A. California certified.
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Re: Which one is correct

scanner
bayareasmog wrote
No test groups. All of them are the same, under N/A. California certified.
There are 4 EO numbers for 5.0L vehicles, and 2 for your Camaro.  This one is for Port Injection.

https://ww3.arb.ca.gov/msprog/onroad/cert/pcldtmdv/1989/gmc_pc_a0060440_5d0_ta0.pdf

It says DBC, which I guess is old school for TWC.  

This one is for Throttle Body Injection

https://ww3.arb.ca.gov/msprog/onroad/cert/pcldtmdv/1989/gmc_pc_a0060439_5d0_ta0.pdf

One cat.  


Why make it simple, when it will work equally as well complicated.
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Re: Which one is correct

bayareasmog
So why would the states Catalytic converter database show 2 required?
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Re: Which one is correct

scanner
bayareasmog wrote
So why would the states Catalytic converter database show 2 required?
I dunno.

Maybe the person entering the information thought that DBC/Dual Bed Cat meant 2 cats?    
Why make it simple, when it will work equally as well complicated.
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Re: Which one is correct

Kevin
In reply to this post by bayareasmog
Those cars only ever had one catalytic converter. It went from a Y pipe. Down to a single cat that was roughly underneath the feet. Of the passenger

On Thu, Feb 13, 2020, 8:55 AM bayareasmog [via Stop The Star Program] <[hidden email]> wrote:
1989 Chevy Camaro 5.0 aftermarket catalytic converter
After market Catalytic converter - D-193-86 #36456 10/09


Catalytic converter data base - 2 catalytic converters TWC+OC

Executive order PDF - 1 catalytic converter TWC+OC


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Re: Which one is correct

scanner
In reply to this post by scanner
scanner wrote
bayareasmog wrote
So why would the states Catalytic converter database show 2 required?
I dunno.

Maybe the person entering the information thought that DBC/Dual Bed Cat meant 2 cats?
I wonder if they did think it was 2 different cats.  Back in the day, within a dual bed cat you would have the reduction bed/puck up front, and the oxidation bed/puck in the rear.   Some of those cats had an inlet between them for air to be injected into the oxidation bed.   Introducing oxygen before the reduction bed would cancel out reduction process.  Nowadays, there are no DBCs, everything is TWC.    

Anyway, as I said, I dunno.  
Why make it simple, when it will work equally as well complicated.
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Re: Which one is correct

bayareasmog
The car is only supposed to have 1, but if any other smog tech went off of the data  base. They would have failed it and cost the consumer money and would have cost a ding to someones score.
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Re: Which one is correct

scanner
bayareasmog wrote
The car is only supposed to have 1, but if any other smog tech went off of the data  base. They would have failed it and cost the consumer money and would have cost a ding to someones score.
I agree, most will not look up the EO, and the database makes for a handy written document for the tech to back up his inspection.  

It's good that you reported the issue to CARB, and hopefully they will correct the database.  
Why make it simple, when it will work equally as well complicated.