Some 2009 Ford Escapes and Mercury Mariners with 2.5-liter engines and 6-speed automatics built before March 5, 2009 may suffer from a rough idle when first started after an extended soak. Ford says ...
Answer:Every little bit helps, but you're not always going to achieve the advertised horsepower increase from each hi-po part you install. The only way to be sure of what you're getting is a before ...