Confusing

EQT – Professionalism Optional

Background: Equilibrium Tuning Inc. (EQT) supplies aftermarket products to consumers with the Mk7 GTI and Golf R. In a series of previous posts, I’ve discussed conduct by Equilibrium Tuning owner Ed Susman involving deceptive advertising, paying customers for reviews, making false statements to consumers, and defamation. Interacting with vendors and assessing how well their products […]

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Inlet Elbow with Airfoil Insert

TIP PCV Port Test 2

Background: A few weeks ago I made some initial measurements of the vacuum generated at the inlet elbow PCV port with the stock turbo inlet elbow, an aftermarket elbow, and a prototype I was working on. I had an idea to try and increase the vacuum inside the prototype elbow by building a raised area

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Eventuri Intake with Inverted Air Filter

Inverted Cone Filter Flow Test

Background: As part of my project designing an intake, a decision about the type of air filter was needed. Most aftermarket intakes I have tested use a cone-style filter, and the abundance of options makes sourcing a filter that would fit my prototype easier. The intake I am presently using on my GTI is from

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