DV vs BOV AFR readings

DV vs BOV Research: No Data Required

Background: While doing some research on possible performance differences between Diverter Valves (DV) and Blow Off Valves (BOV) I had an exchange that highlights a problem caused by lack of data when trying to get questions answered. A statement was made about one performance difference between a DV and BOV possibly being due to the […]

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Apex wheel staging for install

Apex Wheel Arrival

After nearly two and half years in the works I finally took delivery of a set of Apex wheels for my GTI. Intent on getting some added grip these will be fitted with Firestone Firehawk Indy 500 tires. Post “Mobile” mounting and balance. My first time using a mobile tire install service, but won’t be

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ARM Motorsport downpipe flow test

ARM Motorsport Downpipe Flow Test

Background: Continuing an investigation of the affect that downpipes have on the engine performance an ARM Motorsport catted downpipe for the Mk7 GTI is subject of a flow test. Flow testing will not necessarily correlate to engine performance, but when trying to select among different downpipe options to install on the GTI the flow test

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