Melling oil pump m55(a) dangerous design change

Discussion in 'High Performance Modifications' started by thrasher, Oct 15, 2006.

  1. thrasher

    thrasher Veteran Member

    385
    8
    May 27, 2006
  2. IDLZRUF

    IDLZRUF Veteran Member Lifetime Gold Member

    Dam it I sell at least 5 a month both melling and seal power and seal power uses some melling pumps
     
  3. Lowend

    Lowend Administrator Staff Member Lifetime Gold Member

    13,696
    88
    Mar 25, 1999
    San Jose, CA, USA
  4. thrasher

    thrasher Veteran Member

    385
    8
    May 27, 2006
    From what I gather it affected Melling M55, M55A, and the M55HV.
    Even the Moroso blueprinted 2100 pumps have the change.
     
  5. 1981coupe400ci

    1981coupe400ci Veteran Member

    6,911
    0
    Dec 22, 2002
    Oregon,IL
    lucky me.. i think i have a couple of the older HV pumps laying around.. may hang onto them for a future build.
     
  6. Ztoy

    Ztoy Veteran Member Lifetime Gold Member

    3,932
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    May 4, 2003
    Ionia, Michigan
    Man if it isn't one thing, its something else.....:mad: Just hope the 55 HV I got a couple of years ago doesn't fit into that category. Too late to check numbers, its in and pumpin....
     
  7. DirtyScotty

    DirtyScotty Veteran Member

    I could be in some KahKah. My HV has been on the car for about 8 months. :rolleyes:
     
  8. tomsti

    tomsti Veteran Member

    1,185
    0
    Jul 15, 2003
    Redmond, Wa, USA
    I didn't see when the change happened, is there a date they put this into production?
     
  9. Ted

    Ted Veteran Member

    What about the big block style pump for the small block?
    [​IMG]
     

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