I have a 2017 Supra SA 450. Our dealer diagnosed a faulty fuel pump and so we had it changed. Upon return I still can't reach surf speed and I've tried 6 different props. Currently running an ACME 2775 15x12.5. Should be tons of prop. Question, what else do I start looking at? Faulty ECU, spark plugs coils? I'm fairly mechanically inclined but I just need some new thoughts.

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