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I prefer the shape of the smaller electrode in the BRK6EIX-11, as it blocks the centre electrode less.
mihself wrote:Either way, it doesn't make a big difference......technically IMHO the Laser Iridiums/Laser Platinums are the better constructed plug, and NGK contends that the IFR's and PFR's will outlast the Iridium IX's (email them if you don't believe me)....and that the IFR/PFR is their best design/best plug.
But again, not really a big deal, given the lower price!
Big Z wrote:And given that I am intending on changing plugs at 30k km, the extra lifetime of the platinum disc becomes irrelevant.
mihself wrote:^^Check Tuner Imports on this forum.
spanglish1 wrote:use the IFR from lifestyle. installed them on wifey 2009 vitara and made a hell of a difference with take off and acceleration
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