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Sorry to hijack the thread, but anyone here with a JB4 on an LCI Comp? I fitted mine a few months ago, and it doesn't have any of the visceral feeling everyone here is describing with the RC. I'm running Map 2 on 98 pump Ron and logging shows that every so often the boost goes above 25 psi but most of the time even pedal down it's within standard comp parameters. Would love to know what actual boost people are getting with a JB4 / RC.
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