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Discussion Starter · #1 ·
Is it possible to upgrade the intercooler on the S40's? I would like to have one mounted, because I think it will bring down temps better than stock. Where could I get one?
 

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Re: S40 FMIC (2006S40T5)

I should have an answer to that question in approx. 1 week. Ill let you know <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/wink.gif" BORDER="0">
 

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Re: S40 FMIC (2006S40T5)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>2006S40T5</b> »</i></TD></TR><TR><TD CLASS="quote">Is it possible to upgrade the intercooler on the S40's? I would like to have one mounted, because I think it will bring down temps better than stock. Where could I get one?</TD></TR></TABLE><br>it'll have to be custom.
 

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Discussion Starter · #4 ·
Thanks guys for the two posts so quickly. TarheelVolvo, I am interested in your work, please let me know.
 

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Before you address the performance of the intercooler have you confirmed that it's a bottleneck in the system?
 

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Discussion Starter · #7 ·
I don't know much about intercoolers, just the basic facts of what it does. Could you please explain this bottleneck in the system.
 

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Re: (2006S40T5)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>2006S40T5</b> »</i></TD></TR><TR><TD CLASS="quote">I don't know much about intercoolers, just the basic facts of what it does. Could you please explain this bottleneck in the system.</TD></TR></TABLE><p>Read the book "Maximum Boost". <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/smile.gif" BORDER="0"> <p>The general point is that for any performance analysis and modification to a system you shouldn't address something that isn't a problem first.
 

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i've also been searching for a FMIC cause with these high summer temperatures there is noticeable hp loss <br>with a beltronics FX2 , the hp difference is about 20 bhp and about 0.5 seconds in acceleration and 0-400m times
 

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Re: (pasat)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>pasat</b> »</i></TD></TR><TR><TD CLASS="quote">i've also been searching for a FMIC cause with these high summer temperatures there is noticeable hp loss <br>with a beltronics FX2 , the hp difference is about 20 bhp and about 0.5 seconds in acceleration and 0-400m times</TD></TR></TABLE><p>Yeah, because its friggin hot out now. <br>Two factors cause this, less dense air going into the engine in the first place from the outside air. The airflow through the intercooler cools the air from the turbo but it will not be able to cool your compressed air down below ambient temperature anyway no matter how big your intercooler is.<p>So to clarify, a naturally aspirated car runs better in winter than in summer just because of cooler denser air. Summer temps cause a significant reduction in power on any car, as much as 10% easily. If your intercooler was 100% efficient you would still be producing probably 10% less power in the summer than in the winter.<br>If you want to change that you can use nitrous to spary the intercooler with and cool the intercooler below ambient temperatures. THat raises the intercooler efficiency above 100% and will get you back to the cool air power you had before.<br>Add a second inline water-to-air intercooler that has iced water circulating in it and use that to further cool the air. But that is only good for maybe a run or two at the strip before it gets up to ambient temps too.<br>
 

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Re: (V50_T5)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>V50_T5</b> »</i></TD></TR><TR><TD CLASS="quote">any FMIC out there? how about a water spray system for the intercooler , I believe the WRX STi has something like this. would a water spray system on our cars be beneficial at all? perhaps at 35 c plus? </TD></TR></TABLE><p>And oh yea. I should point out that our cars are only boosting 7-10psi range whereas the wrxs are almost twice that. There intercooler temps will be higher meaning that watermisting may be more effective. The higher temps are absobed quicker by the water than lower temps.<br>Water mist will still help as long as there is evaporation taking place on the intercooler.
 

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Re: (warmonger)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>warmonger</b> »</i></TD></TR><TR><TD CLASS="quote"><p>And oh yea. I should point out that our cars are only boosting 7-10psi range whereas the wrxs are almost twice that. There intercooler temps will be higher meaning that watermisting may be more effective. The higher temps are absobed quicker by the water than lower temps.<br>Water mist will still help as long as there is evaporation taking place on the intercooler. </TD></TR></TABLE><br>stock '05 STIs run ~14psi stock. You will see huge benefits with aquamist, if you're runing stock boost levels then you almost eliminate the need for a aftermarket IC in the hot months. Volvospeed.coms Admin drives a 12 second T5R with aquamist and the stock intercooler. The only down fall of aquamist is the cost, after you buy all the parts, you have pretty much paid for a really nice FMIC setup and then some...
 

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Re: (gdogg16)

I would try aquamist, but then I'm not sure how the BSR program will respond to it. I would assume you would need a custom tune like what Mistral has done. I saw his aquamist graph prior to tune and it showed some erratic behavior from mid to high rpm.
 

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Re: (warmonger)

Comparison of boost levels across different turbines is erroneous as best.
 

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Re: (quick)

UM... OK <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/confused.gif" BORDER="0"> <p>pressure has a direct relation to temps, and hence it would make sense that a 14 PSI car has a much greater need and use for a bigger better badder intercooler then one that runs 7 PSI for the most part. In fact I would say a LP turbo setup that has a chip would require a much bigger intercooler just because the turbine is now going to be off the good boost islands AND the stock LP intercooler is in all likelyhood going to be very small vs a HP setup from the get go.
 

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Re: (Oldman)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>Oldman</b> »</i></TD></TR><TR><TD CLASS="quote">UM... OK <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/confused.gif" BORDER="0"> <p>pressure has a direct relation to temps, and hence it would make sense that a 14 PSI car has a much greater need and use for a bigger better badder intercooler then one that runs 7 PSI for the most part. In fact I would say a LP turbo setup that has a chip would require a much bigger intercooler just because the turbine is now going to be off the good boost islands AND the stock LP intercooler is in all likelyhood going to be very small vs a HP setup from the get go.</TD></TR></TABLE><p>you just explained why they're not comparable. <p>Different compressors have different efficiency ranges. 14psi on a T-88 will have a different resultant temperature than on a T-61. This will create different intercooler and hence octane requirements.
 

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hehe. <IMG NAME="icon" SRC="http://www.vwvortex.com/vwbb/smile.gif" BORDER="0">
 

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Re: (gdogg16)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD><i>Quote, originally posted by <b>gdogg16</b> »</i></TD></TR><TR><TD CLASS="quote"><br>stock '05 STIs run ~14psi stock. You will see huge benefits with aquamist, if you're runing stock boost levels then you almost eliminate the need for a aftermarket IC in the hot months. Volvospeed.coms Admin drives a 12 second T5R with aquamist and the stock intercooler. The only down fall of aquamist is the cost, after you buy all the parts, you have pretty much paid for a really nice FMIC setup and then some...</TD></TR></TABLE><p>And I have both an FMIC and (soon to be installed) Aquamist. And I'm only running 18-20psi. But it's hot in Texas!
 
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