[urq] RS2 Update

Thu Feb 24 17:58:51 EST 2005

It all sounds great.  So which A/F gauge did you go with?  FWIW for oil temp 
I'd suggest the factory sender that screws into the oil pump on the front of 
the motor - then you can use a factory 150C gauge, too.

Yep I'm now running the IA version of the RS2 turbo and EM - running about 
20 psi and I get full boost around 3300 rpm.....not bad.

I'm just very interesetd in this turbo app on the 10V.  ISTR Justy having an 
RS2 on his Amazon '83 at Steamboat several years ago - or maybe it was a K24 
with WR head/cam.  I just remember it seemed to pull real hard....

Brandon
'84 ur

----- Original Message ----- 
From: "Pasqualoni, James E" <james.pasqualoni at gs.com>
To: "'Ingo Rautenberg'" <i.rautenberg at waratap.com>; "Brandon Rogers" 
<brogers at terrix.com>
Cc: "Urq List" <urq at audifans.com>
Sent: Thursday, February 24, 2005 2:16 PM
Subject: RE: [urq] RS2 Update

> Hey Guys,
>
> I have not yet tested extensively, as I don't feel comfortable doing so
> until I can get all of my instrumentation up and running (especially EGT).
> Yes, fuel is a concern here.  I could pump that baby up with an EFI 
> system,
> I'm sure.  But for now, she feels PLENTY fast.  Definitely faster than my
> old Dahlback RS2'd urS6 Avant.  15 psi is literally a breeze with this 
> turbo
> (Brandon-you have a IA RS2 in your 20v, no?).  In my case, it's all about
> efficiency.  Target number for this application is 300 crank hp.  She
> definitely pulls harder above 5k rpm, but I haven't pushed red-line at 
> full
> boost yet.  I'll let you know how she does once I am comfortably 
> monitoring
> EGTs and oil temp.
>
> There is still a fuel cut-off at red-line.  One thing to note is that the
> stoich gauge is staying to the rich side throughout the RPM range-so far, 
> so
> good as far as mixture goes.  As you mention, I have to be comfortable 
> that
> everything is working as it should before I start pushing limits.  I will 
> be
> reporting back as things move forward.
>
> Jim
>
> -----Original Message-----
> From: Ingo Rautenberg [mailto:i.rautenberg at waratap.com]
> Sent: Thursday, February 24, 2005 4:01 PM
> To: Brandon Rogers; Pasqualoni, James E; Urq List
> Subject: Re: [urq] RS2 Update
>
>
> Yeah, what's the box capable of?  Obviously, you don't want to go lean and
> don't want to hit the fuel cutoff prematurely, either --or is there no
> longer a fuel cutoff?
>
> -Ingo
>
> ----- Original Message ----- 
> From: "Brandon Rogers" <brogers at terrix.com>
> To: "Pasqualoni, James E" <james.pasqualoni at gs.com>; "Urq List"
> <urq at audifans.com>
> Sent: Thursday, February 24, 2005 3:57 PM
> Subject: Re: [urq] RS2 Update
>
>
>> so Jim - are you going to turn up the wick at all?  15 psi should be a
>> breeze for that turbo - I guess it's fuel you gotta watch, tho, ehh.
> Where
>> does the boost fall off?  I'm assuming it makes better power than K24
>> because it's not working as hard - plus I'm assuming it pulls deeper
>> into the rpm band...
>>
>> -curious
>>
>> Brandon
>> '84 ur
>>
>>
>>
>>
>> ----- Original Message -----
>> From: "Pasqualoni, James E" <james.pasqualoni at gs.com>
>> To: "Urq List" <urq at audifans.com>
>> Sent: Thursday, February 24, 2005 7:47 AM
>> Subject: [urq] RS2 Update
>>
>>
>> > UrQ-folk,
>> >
>> > I am not sure how many (if any) might be running a similar setup to
>> > what
> I
>> > am now running, so I thought I would throw it out there for any BTDT
>> > or general commentary:
>> >
>> > Recently completed a swap to a stock RS2 turbo with IA software, wg
> spring
>> > and FPR mod (good for an additional 10 psi of fp).  The car is
>> > running much faster according to the SOP dynamometer, with
>> > significant boost building by
>> > 3,400 rpm up to a max of 15 psi.  I am keeping out of extended periods
> on
>> > boost until I can get my EGT and oil temp gauges installed.
>> >
>> > The motor was rebuilt 600 miles ago, so I converted to Mobil 1, and
>> > can report no weep/leak issues as of yet.
>> >
>> > The reason I took this approach?  I wanted to keep the basic
>> > characteristics of the power curve but with increased power and
>> > torque.  So far, so
> good.
>> >
>> > Also, thanks to the list for helping me with the mundane questions I
> have
>> > asked along the way.
>> >
>> > Thanks guys,
>> > Jim
>> > _______________________________________________
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>
>
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