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98 VR6 has dual valve springs

From gti-vr6-owner@dev.tivoli Fri Oct 9 13:56 CDT 1998
From: AWE16VR6@aol
To: gti-vr6@dev.tivoli
Subject: [gti-vr6] Re: 268 cams
Date: Fri, 9 Oct 1998 14:08:06 EDT
 
<<OBD II and 268's will give you an idle adaptation fault code. It's not
fixable via chip AFAIK. The 264/260's work well, though. Good luck

Joshua Murray
Matrix Engineering, Portland OR>>

The idle adaptation fault is correctable via a chip reprogram.  I've done
about a dozen OBD II VR6 268 installs and never have gotten any pending or
current faults as a result when using Garrett's chips.
On a related note, I just did a set of 276s on a 98 VR6 and that thing idles
that a Hemi Cuda.  We are holding off on a chip fix until the nitrous is
installed.  I've only run it for about 20 minutes total (4 run cycles) and
curiously there are no faults logged yet... especially strange on an OBD II
car with such a wacky idle.  I'm sure the light will trip soon, but Garrett
assures me he can still burn a chip fix.
BTW, I was stunned to see that this 12/97 production date VR6 had dual valve
springs.  All my and Techtonics' info pointed to single springs.  I told the
customer the install would be aborted if we found single springs, but he
insisted on the exploratory surgery.  He won out this time.  So it seems like
all you 98 owners out there can go ahead and make cam plans without fear now.

Todd
Air & Water
VW Tuning
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