EFI to carb conversion

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  • cmharrison
    • May 2009
    • 2

    • Pensacola, FL

    • 1994 Sport Nautique
    #1

    EFI to carb conversion

    I just inherited my Dad's 1994 Sport Nautique with the PCM 5.8 351 that was EFI. Supposidly, when he was having some issues with the EFI, the folks at Correct Craft advised him to convert it to carburated. The new carb was bolted on and connected to a new mechanical fuel pump, but due to other issues, the boat was left that way for about 5 years. Now I have it and have no idea where to go from here. The old wiring from the EFI is still attached and there is a open vent off the fuel pump that is not attached to anything. Will the original electronic ignition system work with this setup, or do I need to go to a distributor and coil?

    I am hoping that since it was the Correct Craft guys that suggested this, that there will be some knowledge about the conversion floating around. I have searched the forums, but came up empty.

    Any suggestions?
    Tags: None
  • TRBenj
    1,000 Post Club Member
    • May 2005
    • 1681

    • NWCT

    #2
    Originally posted by cmharrison View Post
    I just inherited my Dad's 1994 Sport Nautique with the PCM 5.8 351 that was EFI. Supposidly, when he was having some issues with the EFI, the folks at Correct Craft advised him to convert it to carburated. The new carb was bolted on and connected to a new mechanical fuel pump, but due to other issues, the boat was left that way for about 5 years. Now I have it and have no idea where to go from here. The old wiring from the EFI is still attached and there is a open vent off the fuel pump that is not attached to anything. Will the original electronic ignition system work with this setup, or do I need to go to a distributor and coil?

    I am hoping that since it was the Correct Craft guys that suggested this, that there will be some knowledge about the conversion floating around. I have searched the forums, but came up empty.

    Any suggestions?
    Sounds like the TBI efi was swapped out- those were known to be problematic. The weakest link in the system is the Pro-Tec ignition system, so you will want to convert to a conventional distributor and coil. SkiDIM can sell you new wire harness.
    1990 Ski Nautique
    NWCT

    Comment

    • teamseal
      Senior Member of PLANETNAUTIQUE
      • Dec 2006
      • 382

      • Panama city, Florida.

      • 2009 196 ZR-6
      #3
      Pro-tech/ EFI problems

      Originally posted by cmharrison View Post
      I just inherited my Dad's 1994 Sport Nautique with the PCM 5.8 351 that was EFI. Supposidly, when he was having some issues with the EFI, the folks at Correct Craft advised him to convert it to carburated. The new carb was bolted on and connected to a new mechanical fuel pump, but due to other issues, the boat was left that way for about 5 years. Now I have it and have no idea where to go from here. The old wiring from the EFI is still attached and there is a open vent off the fuel pump that is not attached to anything. Will the original electronic ignition system work with this setup, or do I need to go to a distributor and coil?

      I am hoping that since it was the Correct Craft guys that suggested this, that there will be some knowledge about the conversion floating around. I have searched the forums, but came up empty.

      Any suggestions?
      I just sent you a PM
      We are over in Panama City and take care of all your Correct Craft / PCM needs.

      Thanks.
      Jody Seal
      Florida Inboards Inc
      Panama City, Florida
      www.floridainboards.com
      80 215 1996

      Comment

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