Just bought an 06 F150 Triton 5.4. 172K, 4x4, 2 inch leveling kit, supercab XLT. I had a miss so I changed plugs and 1 coil pack and threw a K&N filter in it. Noticed as I was doing so, someone had changed a coil previously so there are 6 original and 2 aftermarket. I used the new style...