Engine Drivetrain 1st Gen Cooper S Most liked posts in thread: R53 pulley swap

  1. Nitrominis

    Nitrominis Banned

    May 9, 2009
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    #2 Nitrominis, Jul 8, 2009
    Last edited: Sep 7, 2009
    **
     
  2. Deviant

    Deviant Banned

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    #3 Deviant, Jul 8, 2009
    I have the Alta 15% V1 and am in love with it. the extra percentage of the M7 may have an advantage but I think it's marketing one-up-manship more than anything. I chose the Alta V1 because it was initially cheaper than the V2 and when combined with a New Years sale I was able to get it for around $80. Keep your eyes open for the best value.
     
  3. davavd

    davavd Club Coordinator

    May 7, 2009
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    #4 davavd, Jul 8, 2009
    Way Motor Works 15% :Thumbsup:
     
  4. TT_Zop

    TT_Zop Club Coordinator

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    #5 TT_Zop, Jul 8, 2009
    I am using the Alta V1 15%.
     
  5. hohokam

    hohokam New Member

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    #6 hohokam, Jul 8, 2009
    ok well right now i can get a tension stop, a new belt and the 15% pulley for 104... wile the m7 is like 136.

    with the 15% how much hp gain will I ~ get?

    also will my whine get louder? I cant hear it over my headers now... which is a big bummer.:frown5:
     
  6. checkers

    checkers Well-Known Member

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    #7 checkers, Jul 8, 2009
    I have a 17% and a 2% pulley. As far as hp, everyone seems to be different. I would suggest you get a custom tune after.
     
  7. hohokam

    hohokam New Member

    Jun 14, 2009
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    #8 hohokam, Jul 8, 2009
    once I the pulley all figured out, i will then probably try to get a custom tune but on my other thread about ECUs it seems quite hard just to find a tuner.
     
  8. ScottinBend

    ScottinBend Space Cowboy
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    #9 ScottinBend, Jul 8, 2009
    Quick trip over to AZ will solve that little problem.......
     
  9. hohokam

    hohokam New Member

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    #10 hohokam, Jul 9, 2009
    Really? the closest one is AZ? thats nutty....

    how hard is it to learn how to tune a cooper? haha
     
  10. ScottinBend

    ScottinBend Space Cowboy
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    #11 ScottinBend, Jul 9, 2009
    Real hard......as the ECU is not readily cracked. Needs specific software to access it and the knowhow on it's use.
     
  11. hohokam

    hohokam New Member

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    #12 hohokam, Jul 9, 2009
    Yeah I figured... man, Texas is big and there is not one in this state?
     
  12. paulgraz

    paulgraz New Member

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    #13 paulgraz, Jul 10, 2009
    I've got about 80K miles on my Helix 15% pulley. :Thumbsup: