RE: Smog Test = GROSS POLLUTER

["Fry, Larry" <LEF@chem-tronics.com>]

You have us there, Eric, CA doesn't look at the gas cap!!!  At least, they
didn't last month when my 'roc was smogged.

Larry  sandiego16V

-----Original Message-----
From: Night Shadow [mailto:soltwede@privateI.com]
Sent: Friday, October 19, 2001 12:25 PM
To: Ian Overholt
Cc: scirocco-l@scirocco.org
Subject: Re: Smog Test = GROSS POLLUTER



Well than, you guys need to keep your cars nice and warm for those tests.
Make sure your car has been running for 15-20 min before taking it to a
testing station.  Cats actually PRODUCE NO2 when they are cold and not
up to operating temperature.  

PS---Just checked my last emissions test, you are incorrect sir.  Colorado
does test for NOx on their rolling dyno tests.  Catless I pass with flying
colors.  I re-iterate that a properly tuned CIS system can pass even
the tough dyno tests.

Last test on my 80 rocco, no cat:

HC .5858 (limit 4)
CO 12.8353 (limit 30)
CO2 286.2526 (no limit it seems)
NOx 1.0757 (limit 8)

Those are all in GPM (I assume grams per million?)

Oh, and they even test the damn gas cap here....California isn't the only
state with Nazi-like emissions.

Eric

On Fri, 19 Oct 2001, Ian Overholt wrote:

> OK you out-of-cali guys who know more about our smog checks than us!  BFG

> :)
> 
> Remember that a gasoline engine produces three chemicals that contribute
to 
> smog.  HC, CO and NOx.  As you tune a car, you can minimize two of these 
> byproducts at a time while you increase the other.  You can lean the car
out 
> to reduce HC and CO, but the NOx will go up.  NOx goes down as the car is 
> adjusted richer, but HC and CO go up.
> 
> Most states DO NOT TEST for NOx.  To my knowledge, California is the only 
> state currently testing for NOx.  The visual inspection (in other states)
is 
> supposed to catch cars that might be putting out too much NOx.
> 
> So, bottom line.  In California if you are in an area that requires dyno 
> smog checks, you have to be below the limit for HC, CO and NOx.  There is
no 
> way your car will meet the limit on all three chemicals without a working 
> catalytic converter.  For those of you in areas where they do not measure 
> NOx, count your lucky stars because you can pass the test without a cat.
> 
> Ian Overholt
> '88 16v
> '78 Champagne Edition
> 
> 
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--
Eric
Westminster, CO

76 Honda CB400F Super Sport
79 Scirocco (Parts car)
80 Scirocco (Parts car)
81 Scirocco S (2.0 16v swap and complete restoration in progress)
84 Scirocco Automatic (Katy's Daily Driver)
91 Cabriolet (2.0 8v swap and mechanical rebuild in progress)
00 Golf GL TDI (My Daily Driver)

"For Aquarians, the physics of loopholes is a perfectly valid science."
-Kelli Fox


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