Tune up on my 06 lariat 5.4
 

I'm doing some PM full (tune up and drivetrain fluids) on my 06 Lariat 5.4 and was wondering if any body had any tips or tricks? I only run shell supreme with a tune and was wondering do performance spark plugs really make a difference?

I only use Motorcraft/Autolite products on my trucks. They were engineered for the motor and have served me well. My 70 F250 has almost 300K miles w/o ever having a fouled plug or bad wire due to manufacturing failures. Just my opinion. Good luck with your parts hunt.

Thank