Background: While in the process of incorporating Flex Fuel tuning on my Golf R, some updates were being made to the 93-octane setting to account for the current hardware configuration on the car. I’ve been running the stock airbox and decided to try an aftermarket intake to see if it raised the ceiling on the
RAC 5353 – Intake Street Test Read More »
Background: In late July, a discussion took place about a UK tuner, R‑Tech, who refused to tune a customer’s IS38-equipped MQB unless a resonator was added to increase exhaust backpressure. This raised two issues that should matter to Mk7 owners: how misinformation spreads, and how authority bias leads enthusiasts to accept claims that contradict fundamental
Fact Check: R-Tech claims the IS38 likes backpressure Read More »
Background: In this post, I discuss conducting an insert test with the Shuenk ported shroud turbocharger. The inlet to the compressor wheel is modified to determine the effect on the turbocharger operation. A ported shroud in a compressor inlet functions to alleviate issues related to compressor surge. Increased air pressure downstream of the compressor exducer
Shuenk IS48 Ported Shroud Insert Test Read More »
