Crazy Al Posted July 14, 2005 Report Share Posted July 14, 2005 Ok you tuning guys I have a question for you. My father has a Merc Cruiser 454 Mag in his 27' Checkmate. Last year we put an intercooled Vortech supercharger on it and sent the PCM to Vortech to be reprogrammed. We adjusted the fuel pressure according to thier specs, but the boat seems to be running a little rich. Can this be tuned with EFILive or Hypertuners? I'm not sure how I'd plug into it or if a harness would need to be made. How hard do you guys think it would be to adjust the air/fuel levels for a beginner like myself. If I can get him to buy something maybe I'll go in half with him and use it on my truck too. Thanks. Alan P.S. It does 80 and when I ride in it I look like Quote Link to comment Share on other sites More sharing options...
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