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Slant six guys?

Discussion in 'H.A.M.B. Drag Nationals' started by REJ, Sep 22, 2010.

  1. REJ
    Joined: Mar 4, 2004
    Posts: 1,612

    REJ
    Member
    from FLA

    What type of oil pump gear are the slant guys running?
    Reason for the question is that I just wiped out a cam and oil pump gear on mine. It also took the distributor gear with it.
    Obviously I need to put some type of cam stop on it as it seems that the cam was walking back and forth and caused this carnage.
    Thanks, Robert
     
  2. bobw
    Joined: Mar 24, 2006
    Posts: 2,372

    bobw
    Member

    Robert,
    While I haven't assembled my "race" engine yet and have no first hand experience regarding the viability of it, I did buy a ported oil pump with a hardened gear. The hardened gear is supposed to eliminate the problem. The modified pump cost $100.

    At least one serious slant six racer that posts on the Slantsix.org site uses an external belt driven oil pump.
     
  3. REJ
    Joined: Mar 4, 2004
    Posts: 1,612

    REJ
    Member
    from FLA

    bob, where did you purchase this pump?
    Thanks, Robert
     
  4. bobw
    Joined: Mar 24, 2006
    Posts: 2,372

    bobw
    Member

    I sent you a Private Message with the contact information. Good luck!
     

  5. madmax/6
    Joined: Oct 20, 2010
    Posts: 8

    madmax/6
    Member

    Hardened gear on a hardened nitrated cam does not work on a 300hp slant,trust me.My old motor around 200 rwhp with the hardened gear on a non nitrated cam showed no issues after over 150 runs.I now run external pump but dont think its a must.Think the hardness of cam and pump gear didnt play well together.Mark
     
  6. Buzzard II
    Joined: Aug 27, 2009
    Posts: 354

    Buzzard II
    Member

  7. hi from sydney australia

    hi a run a high performance oil pump bought on ebay from the USA from mopartsdealer (thats his ebay I D Name) and also i purchased a 427 hemi oil pump spring, this gives my engine a constant 80 PSI oil pressure

    my oil gauge even read 80psi with a sump full of water after it went bang in the HA/GR final at sydney dragway back in march this year

    this pump is now in a fresh engine and still pumps out 80 psi
     

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