Torque Cars

spark plug

Discussion in 'Lancer EVO forums' started by vinesh, 5 November 2009.

  1. vinesh

    vinesh New member

    Messages:
    8
    Car:
    lancer evo 6 gsr
    can any1 plz help me.the prob is that i've changed my spark plugs to an iridium tip spark plugs.but since then my ride is not having the same performance.in fact it has been a little bit slower than before.earlier i was using denzo normal tip.what can the prob be????thnx 4 helping me guys
     
  2. MasterAuron

    MasterAuron Very Senior Member

    Messages:
    5,117
    From:
    379bhp 359lbft
    Car:
    Mk1 Focus RS
    The plugs the same heat rating? (ie you sure they're the right ones for your car?) Sometimes modified cars or gassed cars run better on coolers plugs for example.
     
  3. Country Bumpkin

    Country Bumpkin Track Warrior

    Messages:
    735
    From:
    Norfolk
    Car:
    GTO T.T.
    Try using a copper plug, they don't last quite as long but give a far better burn for tuned engines.
    Try NGK BPR6ES.
     
  4. MasterAuron

    MasterAuron Very Senior Member

    Messages:
    5,117
    From:
    379bhp 359lbft
    Car:
    Mk1 Focus RS
    The S mean they're copper ones then?
     
  5. Country Bumpkin

    Country Bumpkin Track Warrior

    Messages:
    735
    From:
    Norfolk
    Car:
    GTO T.T.
    They are normally defined as BCP, with the C as the indicator but as i'm not at work and don't have access to the list from here i just did a quick basic search. The number below is listed as the copper version but i would ask the distributor just to be certain.
    Either that or IF i remember tomorrow at work and have time, i'll do a cross reference on our system.
     

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