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  1. 12-05-2020 09:22 AM #1
    MSq5
    MSq5 is offline
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    Toyota Highlander, Nissan Armada, Kubota M4030, Scag Tiger Cat 2
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    Gulfport, MS

    Spark Plug NGK Iridium Recommedation

    I've been running the usually recommended NGK Laser Platinum PFR8S8EG plugs gapped at .024" or .026". This was from stock through my current dual pulley Stage 2 tune.

    Stage 2 dual pulley greatly reduces the life of these platinum plugs. Is there an Iridium equivalent that might have longer life? I seem to recall that some tuners are recommending an Iridium plug with dual pulley tunes.

    Is it BKR9EIX? That's a step colder- might foul. Maybe BKR8EIX?
    Last edited by MSq5; 12-05-2020 at 09:39 AM.
    2017 Q5 3.0T S-Line | Brilliant Black | 034 Stage 2+dual pulley 93 octane tune | JHM 187mm crank pulley w/ EPL 57.6mm s/c pulley - 3.247 total ratio | Red Star shielded test pipes | Magnaflow high flow downstream ceramic core bottle cats | Vibrant Ultra Quiet Resos in place of OEM baby resos | aFe Pro 5R (part#10-10121) filter in "modified" stock air box | 034 silicone throttle body hose | HP Tuners custom TCU tuned ZF8 | Merc Racing HX | Michelin Pilot Sport A/S 3+ 255/45/20.
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