[HPA Q&A] How much timing do I cut/retard to build boost on a 2 Step/Transbrake setup?
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[HPA Q&A] How much timing do I cut/retard to build boost on a 2 Step/Transbrake setup?

Answering your performance engine building and tuning questions Our next question comes from Matt Copely, who’s asked, “How much timing would you cut “to start building boost on a two step or Transbrake?” There isn’t a rule of thumb here, because it’s going to be so dependent on your engine to turbo sizing, and also exactly how much boost you…

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