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'09 FLEX spark plugs

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    '09 FLEX spark plugs

    I would like to change spark plugs soon. I don't use ethanol - in my country it's impossible to buy it. I think about iridium ones. On RA I found few models with 0,54 gap, I think about NGK 97287. Any thoughts ?
    '09 Grand Marquis LS - Light Ice Blue / Medium Light Stone, J-mod, dual exhaust with Magnaflow 11224, PI intake, Marty's tune

    #2
    Iridium will work fine, but honestly I'd probably just use the original platinum plugs since they're a bit cheaper. You probably wouldn't notice much of a difference lifespan wise anyway, since from experience I've found a decent platinum plug to go about 60-70K and iridium up to about 100K. The NGK platinum plug for the Flex Fuel engine is No. 5141. I'm running NGK in both my cars, and use them when I work on friend's cars. Good plugs.


    My Cars:
    -1964 Comet 202 (116K Miles) - Long Term Project
    -1986 Dodge D-150 Royale SE (112K Miles) - Slowly Getting Put Back Together
    -1987 Grand Marquis Colony Park LS (325K Miles) - April 2017 + September 2019 POTM Winner
    -1997 Grand Marquis LS (240K Miles) - The Daily Workhorse & March 2015 + January 2019 POTM Winner

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