This part:
"My first ASM test, 1/99, yielded 121 ppm HC at 15 MPH against
a limit of 141 at 63K miles.
Prior to the 1/01 test I installed a new Bosch cap and rotor
and a new set of H9DC plugs and the performance improved
to 87 ppm against the same standard (68K miles). "
Of this post:
http://www.peachparts.com/shopforum/showpost.php?p=368944&postcount=1
caught my eye. Also an oil change and some techron in your 'Italian tune up' couldn't hurt. You're not that far from a pass.