iridium plugs?

John Lagnese jlagnese at
Mon Jul 20 20:20:58 PDT 2009

Is someone using NGK plugs in the 91 turbo 20V? If so, what is the plug
number? My local FLAPS seem unable to cross reference the plug.

-----Original Message-----
From: quattro-bounces at [mailto:quattro-bounces at] On
Behalf Of thejimrose
Sent: Monday, July 20, 2009 12:09 PM
To: quattro at
Subject: RE: iridium plugs?

i've been running them [ngk's about $9 ea at flaps] in the a4 [k04,
21psi spike] for about a month and i'm very impressed. car runs
noticeably smoother, especially under boost, than with the f5d's that
had a couple years on them. the engine guru here thinks that replacing
them regularly has a lot more to do with good running than the type of

my other engine guru [motorcycle fabricator / tuner /  mechanical
genius] swears by them.
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