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Roller cam / dis gear

Discussion in 'The Hokey Ass Message Board' started by 34hemipu, Feb 5, 2012.

  1. 34hemipu
    Joined: Jan 12, 2006
    Posts: 145

    34hemipu
    Member

    Guys , I know about billet roller cams needing a bronze distributor gear . But , does a factory roller cam need a special gear also ? Are factory rollers cams cast ?

    Thanks , I got a smoking deal on a crate marine small block and would like to use a Hunt mag I have in stock .

    Mike
     
  2. George
    Joined: Jan 1, 2005
    Posts: 7,414

    George
    Member

    Didn't say what engine, but I'd go to the junkyard & install an OEM gear on your mag.
     
  3. big duece
    Joined: Jul 28, 2008
    Posts: 6,150

    big duece
    Member
    from kansas

    Does your crate motor have a distributor? Use that gear.
     
  4. NAT WILLIAMS
    Joined: Nov 7, 2008
    Posts: 102

    NAT WILLIAMS
    Member

    You did not say what brand of engine. I know on GM the factory used a melonized gear and MSD uses a melonized gear on all of thier new distributors that they sell so the gear is compatable with factory and aftermarket roller camshafts. I have noticed that some roller camshafts have pressed on gears but all I have used were still billit.
     

  5. saltracer219
    Joined: Sep 23, 2006
    Posts: 813

    saltracer219
    Member

    Most of the cam manufacturers now offer a billet roller cam with a cast gear end mated to the billet cam core. This ends the problems associated with a steel billet cam gear. The cams cost a little more but are worth it in the long run.
     
  6. Larry T
    Joined: Nov 24, 2004
    Posts: 7,661

    Larry T
    Member

    I know the factory RamJet crate engines take a melonized (sp??) gear. You can get them from GM, or Summit and Jegs also carry them.
    Larry T
     
  7. AnimalAin
    Joined: Jul 20, 2002
    Posts: 3,417

    AnimalAin
    Member

    Fords use steel distributor gears in concert with steel drive gears on the cam. Available from Summit and others.
     
  8. Deuces
    Joined: Nov 3, 2009
    Posts: 20,097

    Deuces
    Member
    from Michigan

    Yep! I'm running steel gears on all my roller motors...
     
  9. 34hemipu
    Joined: Jan 12, 2006
    Posts: 145

    34hemipu
    Member

    Thanks guys ! It's a 350 chev , you know . Anyway will probaly swap out the cam for a lumpier one anywho,

    Thanks again
     
  10. ray-jay
    Joined: Feb 23, 2008
    Posts: 200

    ray-jay
    Member
    from Buford GA

    Instead of thinking "dist drive gear" think "oil pump drive gear". It's the oil pump that puts all the load on that gear pair.
     

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