On Mon, 19 Jan 2004, Zoran Mladen wrote:

> 2. To indicate you may have other trouble than just
> the idle affecting your ability to pass emissions.  I
> run at 5 BTDC and easily pass both idle and high rev
> emissions.

If you have a good catalytic converter, it will cover up a multitude of
sins, including high HC from incorrect idle timing.  However, you'll
shorten the life of the catalytic converter this way.

David Brodbeck, N8SRE
'82 Volkswagen Diesel Westfalia
'86 Volvo 240DL wagon