Mabotech M520H – Round 2
Background: A previous post discussed round one with the Mabotech M520H turbocharger. Tuning was done with E30 fuel and an HPA high-pressure fuel pump; otherwise, the fueling setup was stock. A few months ago, the GTI visited Noster Motorsport in Orlando to have the fueling system upgraded, as discussed in this August post. Tuning resumed
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