Re: 4.0 spark plugs?
I've run a few different plugs...splitfires, bosch plats, blah, blah, blah. Nothing ran smoother than the Champion truck plug on that motor. The others gave me erratic idle issues.
Tony-04 Limited HO
, DkKhaki w/tan leather int. All LED lighting, 5000k Xtreme HID projs. (deambered)&fogs w/CCFL rings, tinted tails&3rd LED brake lt, fnt glass tinted to match, shawty antenna, 6 Polk speakers, K&N FIPK, FR 70mm TB, TCM#10 snip, Flashpaq'ed on 91 tune, Bilstien HD's, Addcos, polished 20" SRT reps, Hankook Ventus Evos (255-45), Weathertech mats, EBC USR rotors, EBC Greenstuff pads, Magnaflow muffler, RB1 Nav w/iPod kit, de-badged, roof rack delete.
15 Cherokee KL
Latitude Edition with cold weather package. Bone stock.
: 99 TJ Sport, 98 XJ Sport, 06 WK Laredo, 09 KK