[e//S2] Air flow options
matt_20v at yahoo.com
Thu Aug 14 08:59:56 EDT 2003
You'll get lots of different opinions on chips.
My bux went to Ned Ritchie at IA for his III+
upgrade. He has been very helpful as I got the
motor sorted to the point where chipping it made
sense. Nice to have someone to talk to when the
boost stops flowing.
For RS2 tidbits try Ned, Alex at
www.euro-audi-parts.com, or 2B (likely most
you should consider a turbo upgrade to fully exploit
the better breathing EM and exhaust. Allows boost
into mid 20s, whereas prevailing wisdom says K24
is best kept to 20 at most (eg. 2.5bar upgrade).
I still have K24 and stock EM, but when the wallet
fattens they will be upgraded.
You should already have an oil cooler on your
200Q20V. I have that swapped into my coupe, though
I'm not thrilled with the current mounting scheme.
With that and a 4-row Al radiator I have great engine
temps. In fact initially they were too low, but
a new Tstat fixed that.
Advice based on my personal experience, get a Vag-com
and an analog boost guage and go through everything
and make sure all is 100% kosher prior to adding
boost. I got what was supposed to be a "ready to
drive" transplant from 2Bennett, but in reality it
is a 12-year old motor with 150kmi and stuff gets
worn out. I have since then replaced a whole bunch
of sensors and hoses. Starting over, I would have
just replaced all this stuff while the engine was
And yes it is fun.
--- Patrick Yam <pkyam at bitstream.net> wrote:
> I'm looking at tuning options for the 3B, and for
> solid street performance
> I've decided that I will most likely upgrade:
> Chip & boost sensor
> Exhaust manifold + Exhaust
> Engine Cooling System
> Any suggestions on the chip selection? I'm thinking
> about going MTM.
> Where can I source an RS2 exhaust manifold? What are
> the costs typically?
> Are there any othere options?
> Where can I source an RS2 intercooler? Are there any
> other aftermarket units
> Will the increased cooling capacity help protect the
> engine better with
> these upgrades installed? Will it help performance?
> Should I also consider an oil cooler?
> I am also considering venting the hood to keep
> engine bay temps down...
> What I'm looking to do is make a very daily
> driveable, close to 300 hp S2
> that will be reliable, have a long life and has the
> option to upgrade futher
> if needed. Also would be nice to attend some track
> events once in a while
> and then drive home.
> I would be very interested in using aftermarket
> parts if they have been
> proven to be effective and robust. I hope there's
> some commentary out there,
> I'm loving this project.
> Patrick Yam
> Minneapolis, MN
> '84 4kq
> '90 CQ-->//S2conv
> '91 200q20v
> eS2 mailing list
> eS2 at audifans.com
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