[s-cars] Just installed a Hyperboost diverter valve. WOW!

[Peter]

FYI,

I have a 93 S4 with a TAP stage 2 chip and kept blowing the factory diverter
valves. I finally ordered a Hyperboost and WOW what a difference. It feels
like there is way less turbo lag and some of the hesitation spots I had are
gone. My car is pulling very strong and smooth. I wasn't sure what to expect
but I am very happy with the result.

I am wondering how many people are driving around with a blown diverter
valve and don't even know it?

Peter S.
----- Original Message -----
From: "Jerry Scott" <jerryscott at earthlink.net>
To: "Russ Panneton" <russ at panneton.name>; "s-car-list"
<s-car-list at audifans.com>
Sent: Saturday, November 29, 2003 3:24 PM
Subject: Re: [s-cars] bearing rumble


> Russ
> I'll anxiously be awaiting the results.
> Jerry
>
> Russ Panneton wrote:
>
> > Jerry,
> >
> > Stay tuned -- I think it was me that was asking about a front-end
> > bearing rumble.  My car goes into the dealer on Monday to have at
> > least one front wheel bearing replaced.  I'll let you know if that
> > fixes the noise!
> >
> > Russ
> >
> > Jerry Scott wrote:
> >
> >> I saw an earlier post that had the same problem as my car, but can't
> >> find it, so here goes.  This is definitely a front of car, drive line
> >> noise and not engine related.  Normal 60 mph driving produces a low
> >> frequency bearing rumble that sounds almost like a tread buzz on
> >> aggressive snow tires.  Since my tires are m+s with a very small
> >> tread block, I know it's not the tires.  It has gotten progressively
> >> worse during the last 3000 miles and is aggravated by turning to the
> >> the wheel to the right at road speed.  Turning to the right seems to
> >> make it more pronounced.  I have checked the boots on all four front
> >> CV joints, which look fine with no tears or leaks.  Jacking up the
> >> front wheels and spinning the tires does not produce any noticeable
> >> axle bearing or CV joint clicking.  My first thought was that it was
> >> a wheel bearing going, but laterally pulling on the front wheels
> >> shows no play or roughness, at all.  The sound seems too low to be
> >> the usual trany main shaft bearing, but could it possibly be the
> >> output axle bearings for the trany?  It also could be the center
> >> drive shaft bearing, but sound more like it is in the front of the
> >> car rather than mid-car.  Any advice would be appreciated.
> >> Jerry Scott
> >> early 93 S4
> >>
> >>
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> >>
> >
> >
>
>
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