02-16-2008, 01:46 AM
NikiterZTS,Feb 5 2008, 01:26 PM Wrote:should i just go with one step colder Motocraft ones?
[right][snapback]257463[/snapback][/right]
They recommend 1 step colder plugs for every 50HP you make over stock when boosted.
If you're not boosted, using one step colder plugs will hurt your power, hurt your mileage, and require replacement after 30,000km instead of 100,000. The stock plugs should be more than sufficient.
Contribute to focuscanada.net's future!
Donations of $20 and over get a custom title!