Modification Research

DV Spacer – Continued

Background: Supposed problems caused by the DV spacer are legendary, kind of like Bigfoot. Some people have reported issues resulting when they install the DV spacer. I looked into the subject almost a year ago and didn’t find that the device caused any problems. I’ve had an ad up on the Facebook Marketplace for almost […]

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Mk8 PCV Installation

Mk8 PCV Install

Background: This post discusses the installation and testing of a Mk8 PCV system on my Mk7 GTI. For some time I have been using a catch can with my GTI. This was installed when the GTI was operating using an IS38 turbocharger. With that turbo, the car generated a large plume of white smoke after

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MGM7 Beta 2 Flow Test 1

MGM7 Intake Development – Beta 2

Background: Continuing the design evolution of an intake, in this post I discuss the latest version. Beta 2: A key question that came out of the first beta intake test was if increasing the outlet diameter would improve airflow. This was presumed to be the likely outcome, but making the part and then testing it

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