Project: Bicooler Upgrade

Background: The eBay bicooler has been in use on my GTI for about a year and a half.  It has been working well paired with the Unitronic stock location intercooler. The bicooler arrangement has a couple of benefits versus a stand-alone FMIC or stock location IC.  The passageways for air to flow through are increased […]

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Unitronic Intercooler Bench Temperature Test

Mk7 Intercooler: Stock vs Unitronic

Background: Searching for the best intercooler to install on my GTI will involve comparing products using several approaches.  With both the stock GTI intercooler and the Unitronic IC available to me a comparison is made using bench testing methods.  Two aspects of performance are to be measured; pressure drop across the intercooler and cooling efficiency.

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Intake Temperature Drop Under Boost

IC Temperature Drop Log

Looking at different aspects of intercooler performance led to making a chart showing the temperature exiting the intercooler and the intake air temperature.  The intent was to determine if how quickly IAT dropped would be a useful measure of intercooler performance. The intercooler outlet temperature (IC_Out) is being measured with a temperature probe located in

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