At 07:53 PM 4/30/2009, Dave Arthur wrote:
>Were there two implementations of Digifant on the 2.1 WBX? Which would apply
>to the MV code engines?

Only one, I reckon.  Digifant didn't become Digifant I until there
was a Digifant II to compare against.

>that). I have an S&S headers setup and of course no port before the cat. If
>I measure CO and the tail pipe will that suffice or do I absolutely need to
>measure upstream?

Sounds as though S&S weren't thinking very clearly.  You'll need to
get a test bung welded on...you absolutely have to measure upstream
of the CAT because one of its main functions is converting 2CO + O2 --> 2CO2

  --
David Beierl - Providence RI USA -- http://pws.prserv.net/synergy/Vanagon/
'89 Po' White Star "Scamp"