[s-cars] Impact of RS2 Upgrade

[Aaron]

Its interesting to note that both cars produce similar hp and torque at 
around 3500 rpm.
I would think derivability would be fine
Aaron T

Mihnea Cotet wrote:

> Chris,
>
>
> Here's a dyno graph of a friend's UrS4 running:
>
> RS2 turbo
> RS2 EM
> RS2 injectors
> 7A exhaust cam
> free-flowing exhaust with no cats
>
> http://www.info.fundp.ac.be/~mik/dyno-graphs/Dan-dyno-S4-RS2.bmp
>
> wheel HP is just a bit under 300, 299.5 or so (220kW)
>
> And here's a friend's RS2 running just a good exhaust system with 
> emptied-out cats:
>
> http://www.info.fundp.ac.be/~mik/dyno-graphs/Graph_mihnea.jpg
>
>
> Both cars were tuned in real-time, though the S4 was done about 8 
> months ago and now I seriously think if I could do it over (and I'll 
> do it over in a few weeks) this could go as high as 370-380 HP, though 
> the stock S4 intercooler really becomes the HP trap at those HP levels.
>
> Driveability is very good according to both owners (these are the 2 
> only RS2 spec cars that I've tuned and that have been dynoed so far), 
> much better than a stock RS2 for instance, especially because the 
> stock RS2 is laggy and doesn't have as much torque as both these cars 
> (420lb/ft at the crank for the S4 and 440lb/ft at the crank for the 
> RS2)....
>
> Hope this helps,
>
> Mihnea
>
>
>
> At 17:25 28/01/2004 -0500, Christopher Gharibo wrote:
>
>> Now that there is a group purchase in place, I have some questions 
>> about the
>> RS2 upgrade:
>>
>> How much hp/torque do I gain if I upgrade to RS2 turbo, manifold, 
>> injectors
>> and chip?
>>
>> And, how does the drivability, lag and torque curve of the car change?
>>
>> Thanks in advance.
>> Chris
>>
>>
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