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  1. #1
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    EFI powerheads on Optimax Mids

    I'm putting my 3.0L 225hp EFI powerheads on Optimax Mids and noticed that the Opti's mids have two extra ports, drilled/tapped, on the port side of the adapter plate that were not on the EFI mids. They look like they're just extra water fittings, but I want to be sure that I can plug them off without a problem. Can anyone verify what these extra ports are for? Your help is greatly appreciated.

  2. #2
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    One is for water to the compressor, the other is an over pressure dump for the air rails.

  3. #3
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    OK but can they be plugged up or do I need to make a custom outlet for them? The EFI powerheads don't have fittings to accommodate the extra ports.

  4. #4
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    Bump. Same question
    Azure AZ259, 8.1

  5. #5
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    So no one replied on here to this, but I did find out that yes they can be plugged safely and the Optimax mids can be used with the EFI's powerheads.

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