Modification Research

Tube and Fin Comparison - 10 Sec. Post Boost IAT Delta

Tube and Fin Intercooler Trends

Background: I have tested several user-recommended tube and fin style intercoolers available for the Mk7. Products from AMS Performance, do88, HPA, and Wagner have been subjected to bench testing and street driving. This post will summarize how the products compared with one another on the tests I have conducted. The Mk7 GTI and Golf R […]

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AMS Data Collection

AMS IC Street Data

Background: The AMS Performance intercooler is installed on my GTI to collect performance data on the street for comparison with other intercoolers that have been installed on my car. Previously airflow through the external fins and interior was measured. Test Procedure: Data is recorded continuously during two drives that include a series of full-throttle pulls

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Intake Power Gains Boxplot

Intake Power Gains

Background: Intake power gains, or the lack thereof, is a regular theme when questions are posed about the “best intake”. The responses are fairly uniform: The responses are so consistent that sometimes when people ask about intakes they preface the question by stating they “know” that intakes don’t make any power: I was curious to

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