iridium plugs?

thejimrose thejimrose at
Tue Jul 21 08:53:07 PDT 2009

from ngk:

Spark Plug  	Part No.  	Stock No.  	Plug Gap  	Photo
V-Power 	BKR7E 	6097 	.025 	
Laser Platinum 	PFR7B * 	4853 	.025 	
Iridium IX 	BKR7EIX 	2667 	.025 	n/a

On Mon, Jul 20, 2009 at 8:20 PM, John Lagnese<jlagnese at> wrote:
> 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
> plug.
> my other engine guru [motorcycle fabricator / tuner /  mechanical
> genius] swears by them.
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- jfk

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