03 Accord owners (others who have exp also)
copper plugs have always outperformed platinums, & always avoid Bosch plugs, Honda motors don't like them especially. NGK (OEM on Hondas) or Denso are perfect. start using Royal Purple & a Mobil 1 filter, not exactly free but it should be part of the maintenance
how about turning both cam gears 1 notch on the timing belt, isn't that equal to 5-7degrees advancing? that will require premium gas as well.
how about turning both cam gears 1 notch on the timing belt, isn't that equal to 5-7degrees advancing? that will require premium gas as well.


