Join Date: Jan 2007
Location: Northern Virginia
I don't have the 4.7L, but do appreciate you taking the time to document this. I do plan on going with Iridium plugs when it's time to change, but it will be a while before that happens because I just went past 10,000 miles. Also, the Iridium plugs will be very expensive since I will need 16.
2006 Silver Jeep Commander Limited 4X4 - 5.7L Hemi, Quadra Drive II, Navigation System, Chrome Fuel Door, Sunroof, Rusty's 2" Lift Kit, Moto Metal M0950 Rims, Goodyear Silent Armor 255/70/17, Front Skid Plate, 4XGuard Belly Skid Plate, RR Supersliders, Chrome Front Tow Hooks, AEM Brute Force Intake, and WeatherTech Floorliners. See Pics
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