so i changed plugs and went back to the champions and i swear truck seems peppier:burnout: and sounds different, i did notice champions are a bit longer, so maybe sitting in the chamber a little deeper helps with power:dontknow: or.....could it be i drove the truck for the first time in a month after i changed them
:creep:
i previously had NGK iridiums
i previously had NGK iridiums