[s-cars] To RS2 or Not? (longish)

[Lee Levitt]

You guys are dangerous.

I have to stop reading these posts and unsubscribe, or my banker is going to
have a long discussion with me about my spending habits.

:)

Lee

Bob writes:

>
>
> Greg:
>
> A k24 with stage 1+ is a nice setup.  I ran this for a few years, and
> delayed going to the RS2 setup because of the exact same apprehensions you
> are having.
> Having been through it, I can tell you that going to RS2 is an upgrade you
> will never regret.  My brother now has stage 1+ in his s4, so I have the
> opportunity to drive both back-to-back.
>
> 1) You are correct, but the butt dyno tells me the crossover is a few
> hundred RPMs lower, maybe 3200-3300 instead of 3,500.
> 2) You are probably correct about spending a majority of your time below
> 3,200 RPM.   95%, I don't know.  But the reason you post to these
> lists and
> are    considering the upgrade is that you get a real buzz out
> the other 5%.
> With the RS2, the 5% will be A LOT more fun.
> 3) Driving the RS2 on a daily basis, you reach a point where you are
> convinced you have lost nothing in terms of low end, and have gained a ton
> in the upper RPM range.   It is only when you drive the cars
> back-to-back do
> you realize that you have given up low end.   What happens is
> that over the
> course of a few days or weeks, you unconsciously adjust your driving style
> to compensate for the missing torque.
> 4)  The RS2 is still a comparitively small turbo.   Put it next
> to a T4 or a
> T3/T4 hybrid and you'll physically see how small it still is.
>
>
> My brother and I recently switched cars for a week. On Day 1 I
> was impressed
> by the low end torque of the k24.  It was a nice drive.   By the
> end of the
> week, I badly missed the upper rpm pull of the rs2 and could not
> wait to get
> my car back.
>
> my 02.
>
> Bob
>
>
> -----Original Message-----
> From: Greg Johnson [mailto:gregsj2 at attbi.com]
> Sent: Tuesday, March 26, 2002 12:06 AM
> To: 200 List; S Cars
> Subject: [s-cars] To RS2 or Not? (longish)
>
>
> To RS2 or not to RS2, that is the question. . . .
>
> Over the course of the past few years I've been carefully upgrading my
> '91 200 20v tqa so it would be ready for an RS2 conversion.  Among other
> things, I did the suspension; the brakes, added a custom mandrel bent
> exhaust, and the IA Stage III+ ECU.  I've also contacted a good friend
> in the fatherland and have obtained fantastic RS2 pricing.  Now that
> order day is upon me, I'm having second thoughts.  Why?  95% of the time
> I live between 2200 and 3200 rpm.  I did a bit of charting this weekend
> using Jeremy Williams IA Chipped '91 200 TQ Dynograph that's posted on
> the S-Car list Yahoo site (files/jeremy_audi.jpg) and RS2 Dynograph
> that's also on the S-Car list Yahoo site ( Photos/RS2-UrS4 DynaPack)
>  From these two graphs, here's what I've *estimated*
>
> Torque:    RPM/K24/RS2
>                 2000/190/120
>                 2500/210/135
>                 3000/255/170
>                 3500/270/260
>                 4000/286/350
>
> Torque conclusion: the K24 hammers the RS2 until about 3500, then the
> contest is over.
>
> HP:          RPM/K24/RS2
>                 2000/75/60
>                 2500/100/70
>                 3000/150/120
>                 3500/180/200
>                 4000/210/325
>                 4500/250/360
>                 5000/273/394
>
> HP conclusion:  the K24 hammers the RS2 until about 3500, then the
> contest is over.
>
> Query:  Is it fair to say that the K24 outperforms the RS2 until
> 3500rpm?  If so, I'm not sure I want to RS2.   Number don't always tell
> the whole story, so I'm looking for lots of input from you RS2 guys.
>  TIA for your help and collective wisdom,
>
> Greg J
>
>
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