NGK Platinum Sparkplug

[EssB]

malaki na ba ang kaibahan ng bkr5e sa bkr6e ?

malaki rin.... if you would compare them side by side, mas malalim yung part ng 5E na nakapasok sa loob ng cylinder... so, mas mainit nga sya.... yung 6E, mas malaki part nyang nakakapit sa cylinder head, so madaling ma-disperse ang heat.

Back to topic: Basta, I don't see any good selling points for the Platinum plugs which is P150 isa, and Iridium plugs which is P550 isa.... P70 lang yung stock Nickel... mas matagal ang buhay ng Platinum and Iridium (meron pa nga palang Silver, but uncommon and sobrang mahal), but if you would try to compute for their lifetime over their price, talo pa rin sa cost effectivity eh... I'd have new fresh plugs na lang lagi na Nickel keysa cleaned(every tune up) Platinum or Iridium - kahit na every 5000Kms ok lang, di masakit sa bulsa ang Nickel. Platinum and Iridium plugs also have lower conductivity compared to Nickel, kaya maganda pa rin ang Nickel...

check this out:
http://ngk.com/sparkplug411.asp?kw=Iridium&mfid=1