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  1. #1
    Join Date
    Jul 2009

    502 Mpi - Raise Idle ??

    I have three 502 MPI Magnums (circa 1998) in my boat. Any way of raising the idle on these? i'd like to raise them 200 RPM's for better control while docking but don't want other complications as they run good otherwise

  2. #2
    Registered PhantomChaos's Avatar
    My Boats:
    Formula FASTech 382 Sunseeker Apache 45
    Join Date
    Dec 2000
    Bell Canyon, CA
    What kind of boat? What are they idling at now?

  3. #3
    Platinum Member Platinum Member articfriends's Avatar
    My Boats:
    EX 99 MPH 272 Baja owner, 1999 Scarab 33 AVS NOW
    Join Date
    Jun 2004
    It would need to be reprorammed, if you mechanically raised it the iac would go crazy trying to lower it and you would run into all kinds of issues,Smitty

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