quattro digest, Vol 1 #925 - 5 msgs
Wolff
wolff at turboquattro.com
Wed Jan 31 18:55:27 EST 2001
My folks have a '92 or '93 Eurovan with a 2.5 liter I5. I must say that it
drives very well. Lots of torque. Nothing like the VW bus or Vanagon. If you
find one with a pop top, big bonus. So nice for short camping trips. I'm not
sure how the V6 models are, but a friend of mine had a narrow V6 jetta from
a few years ago and he ended up with a new motor from VW. Don't know why,
but it seems there were problems with the early narrow V6, so you may not
want a '94 Eurovan when they started with the VR6.
HTH,
Wolff
----- Original Message -----
From: <quattro-request at audifans.com>
To: <quattro at audifans.com>
Sent: Wednesday, January 31, 2001 9:04 AM
Subject: quattro digest, Vol 1 #925 - 5 msgs
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> Today's Topics:
>
> 1. RE:hydroplaning (Dan Masi)
> 2. Re:History of the control arms on the 44 chassis cars
(QSHIPQ at aol.com)
> 3. 91 200q BBS wheel needed (John Cassidy/Sallyann Mulcahy)
> 4. Blau Radiator Leaking (Grant Bessom)
> 5. Sorry , but where do I go to get good info on Eurovan ownership?
(Leah and David Mueller)
>
> --__--__--
>
> Message: 1
> Reply-To: <dan_masi at mentorg.com>
> From: "Dan Masi" <dan_masi at mentorg.com>
> To: <quattro at audifans.com>
> Subject: RE: hydroplaning
> Date: Wed, 31 Jan 2001 11:12:05 -0500
>
>
> > wider tires = wider but shorter contact patch.
> >
> > until you are riding on the rims, your "weight per square
> > inch" is what
> > you measure with your tire pressure gauge...
>
> A simple thought experiment might convince you that it's not
> quite that simple.
>
> Drive your car over a lift, put gauges on the tires, and
> observe the pressure. Now operate the lift enough that it
> takes just some of the car's weight. What did the pressure
> do? Ok... now take even more of the car's weight on the
> lift. What's the pressure doing? Ok... now take enough
> weight on the lift so that the tires are just brushing the
> pavement. Zero psi??? 'course not. In fact, probably little
> difference from the first measurement.
>
> Here's another thought. My car has, say, 800 lbs. supported
> by each tire. Using the simple load x area = pressure
> assumption, that'd be a contact patch of 20 sq. in. at 40 psi.
> For 8" wide tires, the rectangular length of the patch would
> be 2.5". Ok, sounds fine. Now reduce the pressure to 10 psi.
> The expected length would now be 10". Not likely. But, ok,
> reduce the pressure to 5psi. I guarantee you won't see a 20"
> long contact patch!
>
> The problem with the simple load x area assumption is that
> it implies that the tire doesn't exist. The air is *not*
> supporting the car. The *tire* is supporting the car, and
> the air is giving the tire it's shape. The sidewall at
> 6 o'clock is supporting the wheel from underneath, the sidewall
> at 12 o'clock is pulling the wheel upwards. The air inside the
> tire is supporting the shape of the tire.
>
> Dan Masi
>
>
> --__--__--
>
> Message: 2
> From: QSHIPQ at aol.com
> Date: Wed, 31 Jan 2001 11:21:42 EST
> Subject: Re:History of the control arms on the 44 chassis cars
> To: QSHIPQ at aol.com, b.m.benz at prodigy.net, pwaterloo at compuserve.com
> CC: 200q20v at audifans.com, v8 at audifans.com, quattro at audifans.com,
> s-car-list at yahoogroups.com
>
> Some history on the engineering audi used over the years is easily tracked
> thru the iterations of the 44 chassis cars. 5k's use a small ball joint
> 18mm, with a large inner control arm bushings,and the smaller (13mm
nutted)
> upper strut bearing. The 200tq (some - later) upgraded, uses the 19mm
ball
> joint, and the 5k inner control arm bushing (and the larger v8/S4 17mm
upper
> strut bearing). This is based on the 5k lower control arm (in terms of
track
> and construction). The v8 uses a unique control arm which is VERY beefy,
> uses the 19mm ball joint, a smaller inner bushing, and a different outer
SB
> bushing. The subframe to SB bushings were also revised, and include
larger
> cast SB mounting clamps. The upper strut bearing is of the later 200tq
type.
>
> The S car did the final revision to this setup, which IMO, is the best
(given
> a crappy triangulated swaybar engineering concept). It uses a control arm
> similar to the v8 (read beefy), an even smaller inside C/A bushing, with a
> larger bore inner sleeve. The biggest difference was the addition of an
> inner sleeve that fits inside the stock bearing sleeve, but is slightly
> longer, retaining the bearing sleeve inside the bolt hole (specifically,
to
> physically remove the C/A, the innner sleeve has to be removed as well as
the
> bolt). This latest revision was to address the ripping of the bolt holes
in
> the subframe when the innner bushing failed. Audi also made the innner
> bushing bolt screw into the car body, thru the subframe. The outer ball
> joint is still of the 19mm type, the outer SB bushings of the v8 type as
> well. The front Subframe to SB mounts are now round in shape, with a cast
> retainer that prevents bushing creep that the previous generation 44 cars
> experienced quite often.
>
> All that said, to really do this right, audi should go after the
traditional
> front control arms which aren't designed to allow caster/camber/toe
changes
> r/l during cornering. I would also advise that you make doubly sure you
have
> the right parts for *your* car, some of the above are interchangeable,
some
> aren't. I also would note that when I did Paul W's car, the pn on the
> package were incorrect (the packaging indicates two right C/A), the parts
> were incorrect (C/A and upper bushings) application (18mm parts given for
a
> 19mm applicaton - major no-no) , and the replacements I put in were
> mislabelled as well (R side was in the L side package and vice versa).
All
> these parts btw, bore the VW/Audi packaging (read not aftermarket)
>
> HTH
>
> Scott Justusson
> QSHIPQ Performance Tuning
> Chicago IL
> '87 5ktqw
> '84 urq
> '83 urq
>
> In a message dated 1/31/01 8:03:40 AM Central Standard Time,
QSHIPQ at aol.com
> writes:
>
> > > Yeah, Bentley is hyper over changing the inner control arm bushings to
> > > correct brake shimmy problems, saying every 50K or to correct most
any
> > brake
> > > problem. IMO, this is a smoke screen to hide the fact that they
> couldn't
> > > figure out the source of the problem. In my vast experience, with 3
> type
> >
> > 44
> > > chassis cars, I have never seen a bad inner control arm bushing.
>
> --__--__--
>
> Message: 3
> From: "John Cassidy/Sallyann Mulcahy" <jcasidy at qwest.net>
> To: "Quattro List" <quattro at audifans.com>
> Subject: 91 200q BBS wheel needed
> Date: Wed, 31 Jan 2001 09:27:22 -0700
>
> This is a multi-part message in MIME format.
>
> ------=_NextPart_000_0064_01C08B68.03D934C0
> Content-Type: text/plain;
> charset="iso-8859-1"
> Content-Transfer-Encoding: quoted-printable
>
> Listers!
>
> Does anyone have a 15 X 7.5" BBS silver basket weave wheel from a '91 =
> 200q for sale? If this sounds familiar, I inquired in Dec., and got =
> many replys, but the best lead I followed dried up. =20
>
> Thanks in advance,
>
> JC
>
> ------=_NextPart_000_0064_01C08B68.03D934C0
> Content-Type: text/html;
> charset="iso-8859-1"
> Content-Transfer-Encoding: quoted-printable
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
> <HTML>
> <HEAD>
>
> <META content=3Dtext/html;charset=3Diso-8859-1 =
> http-equiv=3DContent-Type>
> <META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR>
> </HEAD>
> <BODY bgColor=3D#ffffff>
> <DIV><FONT color=3D#000000 size=3D2>Listers!</FONT></DIV>
> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
> <DIV><FONT color=3D#000000 size=3D2>Does anyone have a 15 X 7.5" =
> BBS silver=20
> basket weave wheel from a '91 200q for sale? If this sounds=20
> familiar, I inquired in Dec., and got many replys, but the best lead I =
> followed=20
> dried up. </FONT></DIV>
> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
> <DIV><FONT color=3D#000000 size=3D2>Thanks in advance,</FONT></DIV>
> <DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
> <DIV><FONT color=3D#000000 size=3D2>JC</FONT></DIV></BODY></HTML>
>
> ------=_NextPart_000_0064_01C08B68.03D934C0--
>
>
> --__--__--
>
> Message: 4
> From: Grant Bessom <GBessom at Intersections.com>
> To: "Quattro (E-mail)" <quattro at audifans.com>
> Subject: Blau Radiator Leaking
> Date: Wed, 31 Jan 2001 11:07:07 -0500
>
> My 1986 5ktqcs had its radiator replaced about a year ago with a Blau
unit,
> all metal. The radiator is now leaking around the end caps. Has any one
> had an issue like this? I do not see how a 2 yr old radiator this new can
> already be leaking.
>
> Any ideas?
>
> Grant Bessom
> 86 Audi 5ktqcs 240k miles. chip/cam/lowered
> 82 Audi 4ks Diesel 375k+ miles
> 80 Vanagon Westy
> Dulles VA (northern va)
>
>
>
> --__--__--
>
> Message: 5
> From: "Leah and David Mueller" <muellerl at cadvision.com>
> To: <quattro at audifans.com>
> Subject: Sorry , but where do I go to get good info on Eurovan ownership?
> Date: Wed, 31 Jan 2001 09:54:10 -0500
>
> I have searched for a site like this for Eurovan owners. I need to know
how
> good these are for family use as mini vans. Any leads? I can't find one
> yet searching the web.
>
> Thanks
> David 4kq and three kids.
>
>
>
> --__--__--
>
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> End of quattro Digest
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