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<blockquote data-quote="Tom.Schmeler" data-source="post: 429731" data-attributes="member: 5522"><p>Das sehen auch noch andere so, der Test ist allerdings schon alt : </p><p> </p><p><strong>Disclaimer</strong>: <em>Before you read this please take note that this testing was done by myself and a friend whom are NOT affiliated with <a href="http://www.e***uning.com/" target="_blank"><span style="color: #073f8e">ECS Tuning</span></a> or any other specific tuner. We are a customer to these tuners, just like all of you. Furthermore, the testing was done in the fashion explained below. Please utilize this information as you see fit, but lets keep this thread clean and productive. Thank you!</em> </p><p></p><p><strong><u>FINAL RESULTS</u></strong> : Stock Intercooler vs Dual-Intercooler Testing! </p><p><strong>Test Method</strong> : Driving on the freeway only, at speeds never below 50MPH, we attemped to heat soak the intercoolers. Testing was to be done at 55º F or better, and was to be a non-stop boost/brake/boost/brake routine. We ran from 50MPH to 120MPH (average, see data), slammed the brakes, and repeat. The goal was to get the IC to drop in overall efficiency. </p><p><strong>Location, Etc</strong> : The testing was done in Akron, Ohio which is about 45 mins south of Cleveland. Testing was done in my 2001 VW GTI GLS 1.8T (for a full list of modifications the car has please refer to the link in my signature). This is all with a stock AWW-turbo from my car. The ECU on the car is from <a href="http://www.goapr.com/" target="_blank"><span style="color: #073f8e">APR</span></a> in Auburn, AL. The largest spikes we saw were in the 1.3x bar range, with boost holding nice at roughly .98-1.00 bar through the range, and dropping off up near redline. This is the 93-octane v1.1 program. </p><p><strong>STOCK Intercooler Results</strong> : The stock intercooler had an <strong>average efficiency of 70.29%</strong> when driving. This is truly not bad at all. For those of you who are not sure if you want to spend the cash, I'd dare say the stock IC is doing you justice. Anything over 70% is not bad at all, and initially I was REALLY worried the dual-IC wouldnt be much better than this. The stock IC, however, soaked nicely towards the end of our runs (see data link). In a road-race condition, the stock IC would start to be "less than ideal" I felt. </p><p><strong>DUAL-INTERCOOLER Results</strong> : The dual-IC was installed by <a href="http://www.e***uning.com/" target="_blank"><span style="color: #073f8e">ECS Tuning</span></a> and is a kit put together by <a href="http://www.eurospecsport.com/" target="_blank"><span style="color: #073f8e">EuroSpecSport</span></a> of which ECS is a dealer for them. The kit consists of a 2nd IC, Manifold, Etc. from a TT225 which uses two IC's in series. This setup can be found on any 225HP version of the Audi TT, so the parts are OEM in essence. The Dual-IC really suprised me because I felt you would get 80-85% efficiency. Instead, however <strong>the dual-intercooler setup was constantly over 90% efficiency, with an overall average of <u>93.49</u>%</strong> !!! </p><p><strong><u>Conclusions</u></strong> : Rather than bore you all with more rambling, I'll let you scroll down to click on the test data link. See it for yourself, it is all there in black and white. The dual-IC works, and works VERY well! Sometimes when on the freeway just cruising for long times, the IC works at 100% and its just amazing. And when pushed, the dual-IC works nicely too. </p><p>If you want to upgrade your intercooler <strong>this kit works</strong>! There is probably some pressure drop, but we didnt see the turbo putting out exceedingly high temps and it was hotter the 2nd time, so lets face it, all the talk about pressure drop and whatnot, its negligable. We saw next to no boost lag, and the turbo didn't appear to be working to the point of destruction. If it was good enough for Audi for the 225HP TT, its good enough for me. And I dare say, good enough <strong>for you too</strong>! Cheers everyone! <img src="http://www.vwvortex.com/vwbb/biggrin.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Tom.Schmeler, post: 429731, member: 5522"] Das sehen auch noch andere so, der Test ist allerdings schon alt : [B]Disclaimer[/B]: [I]Before you read this please take note that this testing was done by myself and a friend whom are NOT affiliated with [URL="http://www.e***uning.com/"][COLOR=#073f8e]ECS Tuning[/COLOR][/URL] or any other specific tuner. We are a customer to these tuners, just like all of you. Furthermore, the testing was done in the fashion explained below. Please utilize this information as you see fit, but lets keep this thread clean and productive. Thank you![/I] [B][U]FINAL RESULTS[/U][/B] : Stock Intercooler vs Dual-Intercooler Testing! [B]Test Method[/B] : Driving on the freeway only, at speeds never below 50MPH, we attemped to heat soak the intercoolers. Testing was to be done at 55º F or better, and was to be a non-stop boost/brake/boost/brake routine. We ran from 50MPH to 120MPH (average, see data), slammed the brakes, and repeat. The goal was to get the IC to drop in overall efficiency. [B]Location, Etc[/B] : The testing was done in Akron, Ohio which is about 45 mins south of Cleveland. Testing was done in my 2001 VW GTI GLS 1.8T (for a full list of modifications the car has please refer to the link in my signature). This is all with a stock AWW-turbo from my car. The ECU on the car is from [URL="http://www.goapr.com/"][COLOR=#073f8e]APR[/COLOR][/URL] in Auburn, AL. The largest spikes we saw were in the 1.3x bar range, with boost holding nice at roughly .98-1.00 bar through the range, and dropping off up near redline. This is the 93-octane v1.1 program. [B]STOCK Intercooler Results[/B] : The stock intercooler had an [B]average efficiency of 70.29%[/B] when driving. This is truly not bad at all. For those of you who are not sure if you want to spend the cash, I'd dare say the stock IC is doing you justice. Anything over 70% is not bad at all, and initially I was REALLY worried the dual-IC wouldnt be much better than this. The stock IC, however, soaked nicely towards the end of our runs (see data link). In a road-race condition, the stock IC would start to be "less than ideal" I felt. [B]DUAL-INTERCOOLER Results[/B] : The dual-IC was installed by [URL="http://www.e***uning.com/"][COLOR=#073f8e]ECS Tuning[/COLOR][/URL] and is a kit put together by [URL="http://www.eurospecsport.com/"][COLOR=#073f8e]EuroSpecSport[/COLOR][/URL] of which ECS is a dealer for them. The kit consists of a 2nd IC, Manifold, Etc. from a TT225 which uses two IC's in series. This setup can be found on any 225HP version of the Audi TT, so the parts are OEM in essence. The Dual-IC really suprised me because I felt you would get 80-85% efficiency. Instead, however [B]the dual-intercooler setup was constantly over 90% efficiency, with an overall average of [U]93.49[/U]%[/B] !!! [B][U]Conclusions[/U][/B][U][/U] : Rather than bore you all with more rambling, I'll let you scroll down to click on the test data link. See it for yourself, it is all there in black and white. The dual-IC works, and works VERY well! Sometimes when on the freeway just cruising for long times, the IC works at 100% and its just amazing. And when pushed, the dual-IC works nicely too. If you want to upgrade your intercooler [B]this kit works[/B]! There is probably some pressure drop, but we didnt see the turbo putting out exceedingly high temps and it was hotter the 2nd time, so lets face it, all the talk about pressure drop and whatnot, its negligable. We saw next to no boost lag, and the turbo didn't appear to be working to the point of destruction. If it was good enough for Audi for the 225HP TT, its good enough for me. And I dare say, good enough [B]for you too[/B]! Cheers everyone! [IMG]http://www.vwvortex.com/vwbb/biggrin.gif[/IMG] [/QUOTE]
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