Re: [ihc] Emmissions inspection

["Ryan Moore" <baradium@xxxxxxxxxxx>]

I believe he's running too rich.

HC is unburned fuel IIRC.

-Ryan


----- Original Message ----- 
From: "Dan Nees" <cookiedan@domain.elided>
To: "IHC Digest" <ihc@domain.elided>
Cc: "Old Ihc List" <oldihc@domain.elided>
Sent: Saturday, April 17, 2004 17:03
Subject: [ihc] Emmissions inspection


> Digesters,
>
>    First, My truck, 79 345 4barrel with a Holley points/PerTronix with
> Jacobs 8.5 silicon wires, stock coil and Champion 87 plugs, blocked off
EGR
> valve, no air pump.
>
>    I got my truck inspected here in NJ in February and failed for some
body
> stuff, but; my Emmissions, as per the norm, were well below the allowable
> levels.
>
>    The standard here is as follows:
>
> Hydrocarbons 300
>
> CO% 3.0
>
> CO2% is not an issue, but; it is read.
>
>    My results in February were as follows:
>
> HC 78
>
> CO% 1.45
>
> CO2% 13.5
>
> At 810 RPM's
>
>    I got re-tested last week and my results were still fine, however; they
> were a bit different.
>
> HC 63
>
> CO% .30
>
> CO2%  13.2
>
> At 756 RPM's
>
>
>
> Second, a fellow that lives near me here has a 77 with a 345 2 barrel 2210
> carb, gold box Holley, stock plug wires, Champion 87 plugs, blocked off
EGR
> valve, dual exaust. All the above parts are new. He can not get his truck
> through inspection. He just failed once again today. His #'s were:
>
> HC 491
>
> CO% 1.86
>
> CO2% 9.4
>
> At 778 RPM's
>
>    Now, what can we do to get that HC number down below 300? Before we
> blocked off the EGR valve last week, his CH's were in the 600's and the
CO%
> was 3.9something. What causes high Hydrocarbons?
>
> Dan Nees
>
> cookiedan@domain.elided
>


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