[Es2] things that tend to break on es2's at the track

Wed Jun 7 11:51:00 EDT 2006

On 6/7/06, Miller, Chris <chris.miller at infofoundry.com> wrote:
>
> Peter:  Keep in mind that you ran Lime Rock with your stock 7A
> (170hp+/-).  An S2 is what, 50% more HP or more?  That's 50% more heat,
> too.
>
> An S2 may also pre-heat the air by putting the intercooler in the grill;
> that also reduces the volume of air flowing through the radiator.  Bad.One could argue that even the aux rad has the same effect. In general flow
> to the rad is pretty restricted either way.


I considered the 2Bennett rad - an Alu rad that replaces the OEM. Is this
> the same as the 034EFI rad?


I'm hoping to make the stock 200q20v radiator fan work with my coupe;
> will need a custom shroud.  Much larger motor than the coupe uses in 7A
> form.
>
> Chris
>
> -----Original Message-----
> From: Peter Schulz [mailto:pcschulz at comcast.net]
> Sent: Wednesday, June 07, 2006 11:06 AM
> To: Miller, Chris; Richard Tanimura; David Kase
> Cc: es2 at audifans.com
> Subject: Re: [Es2] things that tend to break on es2's at the track
>
> Chris/Adam:
>
> Anecdotally or not, I have heard first hand that two users of the 034
> radiator have had some issues with cooling efficiency - but their
> installations used neither the stock ducting to the radiator or the
> stock radiator fan and ducting....evidently keeping the stock ducting to
> the 034 radiator and the stock radiator fan and shroud makes the
> radiator work more efficiently than no ducting/and a pancake fan -
> ....remember that the B3/B4 radiator location has little frontal area,
> so ducting in and out is important for airflow.
>
> I can attest to that having run twice at Lime Rock with track
> temperatures over 100 F that the 034 radiator, including the stock AC
> condensor and running the stock ducting and radiator fan, is more than
> up to the cooling task, even without the auxiliary radiator.
>
> -Peter
>
>
>
>
>
> At 10:40 AM 6/7/2006, Miller, Chris wrote:
> >I think the 034EFI style radiator holds enough extra coolant that temps
>
> >shouldn't be affected by removal of the aux. radiator.  But if you
> >remove the aux. radiator, I think you need to plug off the hoses, not
> >just connect them together.  I've heard that connecting them allows
> >some coolant to bypass the radiator.  That might raise engine temps.
> >
> >Either way, the thermostat should regulate the engine temp.  If the
> >engine is running hotter than usual, you may have a sticking
> >thermostat, or the wrong coolant mix, or you don't have the radiator
> >shrouds in correctly (they make the air go through, not around, the
> radiator).
> >
> >I may include the 200q aux. radiator when I do my coupe; it's larger
> >than the stock coupe aux radiator, and might ?? fit down low in front,
> >instead of behind the grill.
> >
> >Chris
> >
> >-----Original Message-----
> >From: es2-bounces at audifans.com [mailto:es2-bounces at audifans.com] On
> >Behalf Of Richard Tanimura
> >Sent: Wednesday, June 07, 2006 10:02 AM
> >To: David Kase
> >Cc: es2 at audifans.com
> >Subject: Re: [Es2] things that tend to break on es2's at the track
> >
> >That's interesting Dave. I have an S2 where I removed the aux cooler
> >and I would agree with you. I think it made a small difference and I am
>
> >running slightly hotter than before. In retrospect, I think Audi put in
>
> >the aux rad for a reason.
> >
> >I have heard it argued that a larger IC, by lowering the charge temp,
> >will lower engine temps. The lower intake temps propogate through the
> >engine.
> >Makes sense to me.
> >
> >I have not done it yet, but my idea was to remove the aux rad to make
> >room for a larger IC. I figured the effect of the larger IC would
> >cancel the effect of the aux rad removal. So far I have only gotten
> half way.
> >
> >Richard
> >
> >
> >
> >
> >On 6/7/06, David Kase <davekase at pdqlocks.com> wrote:
> > >
> > > I just added the aux rad to mine.  The PO had removed it.  It DOES
> > > make a difference...
> > >
> > > BTW, anyone use boost hoses from Pegasus Racing
> > > (www.pegasusautoracing.com
> > > )
> > >
> > > Very inexpensive but they seem very nice to me (but I don't really
> > > have much to compare then to).
> > >
> > > I used them to install the stock S2 IC on my car.
> > >
> > > Dave Kase
> > >
> > >
> > >
> > > Peter Schulz wrote:
> > >
> > > >Adam:
> > > >
> > > >Brake pads, rotors, boost and cooling hoses, would be of particular
> > > concern...
> > > >
> > > >A thorough pre-event can help mitigate that.
> > > >
> > > >Are you taking the eS2 to Lime Rock? on the 14&15th?
> > > >
> > > >I've done it twice in the past, and as luck would have it, on hot
> > > >days...>~100F on the track....so make sure that your cooling system
>
> > > >is up to task...
> > > >
> > > >Here's a link to NAAC's pre event inspection checklist:
> > > >http://www.naaclub.org/file_download/7
> > > >
> > > >
> > > >-Peter
> > > >
> > > >
> > > >
> > > >
> > > >At 08:18 AM 6/7/2006, Adam Ordway wrote:
> > > >
> > > >
> > > >>Are there any common things that one should prepare for with spare
>
> > > >>parts and tools that tend to break or become otherwise compromised
>
> > > >>from a couple of track days?
> > > >>
> > > >>
> > > >>
> > > >>Adam
> > > >>
> > > >>_______________________________________________
> > > >>Es2 mailing list
> > > >>Es2 at audifans.com
> > > >>http://www.audifans.com/mailman/listinfo/es2
> > > >>
> > > >>
> > > >
> > > >-Peter Schulz
> > > >Chelmsford Ma, USA
> > > >http://www.naaclub.org/
> > > >
> > > >1991 200 20v Q Avant Titan Grey
> > > >1991 200 20v Q Avant Indigo Mica
> > > >1991 90 20v Q Red
> > > >
> > > >1990 CQ silver (awaiting S2 engine transplant)
> > > >1991 CQ silver  (potentially replacing the 1990 for  the
> > > >transplant) 1990 CQ red ( to part or not)
> > > >
> > > >_______________________________________________
> > > >Es2 mailing list
> > > >Es2 at audifans.com
> > > >http://www.audifans.com/mailman/listinfo/es2
> > > >
> > > >
> > >
> > > --
> > > David B. Kase
> > > Engineering Manager
> > > PDQ Industries, Inc.
> > > 2754 Creek Hill Road
> > > PO Box 507
> > > Leola, PA 17540
> > >
> > > 717-656-4281 (p)
> > > 717-656-8749 (f)
> > >
> > > _______________________________________________
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> > > Es2 at audifans.com
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> > >
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