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  1. #1
    Member
    Join Date
    Mar 2013
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    Ione California
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    334

    Merury EFI Oil Injection pump : crankshaft gear ratio

    Anyone know how many rotations of the crankshaft it takes to cause one revolution of the oil injection pump ?

  2. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
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    13,940
    #2
    the crank will make 2 revs for 1 rev of pump drive gear
    .................................................. ...the scariest thing in life is the unknown ...................................

  3. Member silverbullet02's Avatar
    Join Date
    Jun 2009
    Location
    Knoxville, TN
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    838
    #3
    That's a good question, always wondered about that.
    1995 Allison XB-2003 225 Super Mag. It's slow and I'm ok with that.