Thanks for the quick reply, Randall.
On 3 Apr 2008 at 14:43, Randall wrote:
> Less HC, CO, CO2 or NOx ?
Less HC, I think.
> As a very rough rule of thumb, high HC is usually ignition
> problems, while high CO is usually a mixture problem. But
> things like funky valve adjustment or timing can cause both
> of them.
I try to keep the valves locked into spec. I have noticed that a
change of just .001" seems to make a big difference, at least in how
smoothly it idles.
> Little details like what emissions equipment it has might
> be helpful too ...
Essentially none. The PCV valve is in place. Carbs are HS4 SU's
with individual K&N air cleaners. That's what it's had since I
bought it.
As for my emission testing equipment, that's my nose. And the state
of my clothes when I get to where I'm going after idling at enough
stoplights. All very hi-tech equipment, you know.
--
Jim Muller
jimmuller@rcn.com
'80 Spitfire, '70 GT6+
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