[s-cars] RE: Riff's dyno #s

[Aaron]

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Are you referring to the plastic belly pan which forms the lower cover
on the IC or is there supposed to be another one?
Thanks
AaronT

Djdawson2 at aol.com wrote:

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>In a message dated 11/11/03 7:06:57 PM Mountain Standard Time,
>tedebearp at yahoo.com writes:
>
>Teddy,
>Comments inserted...
>
>>--- Djdawson2 at aol.com wrote:
>>
>>>When stock, I was seeing about 170.  With a chip, that number went up to
>>>
>>190.
>>
>>>After improving airflow to the intercooler, our numbers increased to about
>>>205.  This amounted to sealing the outer edges of the intercooler so that
>>>
>>air
>>
>>>can't go around it.
>>>
>>you got 15 whp from sealing the outer edges of the intercooler alone??
>>are those numbers based on doing several runs?
>>
>>please give details.  did you do the frankenliner mod?
>>
>
>My car, and a friends, we're both missing the lower plastic air duct.  As a
>result, air could easily pass around the IC.  We fab'd some sheet aluminum to
>seal the bottom, and then used stiff foam rubber to seal the circumference of
>the IC.  We both saw the same results (2 different cars)... an average gain of
>about 15hp.  His is a '94, mine a '93.
>
>
>>>Next step was the addition of an RS2 EM and turbo... without any other
>>>changes.  That took us up to 245 - 255.  This is when significant losses
>>>became
>>>evident between consecutive runs, which seemed to indicate an overloaded
>>>intercooler, which I still haven't improved.
>>>
>>>Finally, I added the MAF and the RS2 injectors, along with the popular
>>>
>>hybrid
>>
>>>chip that I acquired through Steve Eiche (Shadetree Software) using a VMAP
>>>pressure transducer.  This setup, over many runs, has shown a low of 301
>>>
>>and
>>
>>>a high of 312, and has destroyed first gear in my trans.
>>>
>>that is a big power increase.  my car already has the RS2 EM and 3 bar
>>transducer (MTM stage II+).  so let's see, i need RS2 turbo, MAF,
>>injectors, and chip.  wonder how much that'd cost...
>>
>
>Well, I just posted some info regarding RS2 turbo availability, and things
>look grim.  I was thinking of bringing some over here... but not at that cost!
>There are, however other good/great turbo options... just not as easy to bolt
>on.  I hope you aren't running 24+psi with your K24...  Injectors, MAF,
>chip??? Get out your wallet.  Probably around $2500 if you can find everything.
>Just 6 months ago, I was able to but the whole package (EM, turbo, injectors and
>MAF) for $2365.  Things seem to be going up fast, and the dollar is weak.
>
>>does high altitude have any effect on the size of the gains you'd see?
>>
>
>When I had just the RS2 EM and turbo, my readings were consistently 245-255.
>I went down to St Louis, and my test numbers went to 272-283, and temp was
>78F according to my car's dash display.  So it seemed that sea level was worth
>about 30hp.  Hap should be impressed when he goes down low in the upcoming
>days.  These are good numbers that I took from the G-Tech, and I have a notebook
>full of "testing" notes... on 2 different cars.  Granted, these are not dyno
>runs, so to speak... but I believe them to be valid data points, in terms of
>improvement.
>
>HTH,
>Dave in CO
>
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