I am in the process of buying items to do a tuneup on my 00 CC 2wd 4.7 and wonder what is the best spkplg for this engine. A lot of guys say Champion copper and NGK Vgroves are the best. If I install NGK V groves would they help with power and gas milage?

DC

 

I have NGK Vpower in mine and I like them.

 

i have the NGKs as well and i like them but just plugs alone you wont notice anything if everything else is stock like wires and cap and rotor