A more totally free-flowing intake and exhaust and an increased output fuel process will should be added to deliver a higher air-gasoline ratio and efficiently evacuate exhaust gases out of your procedure. Altering valve durations can change the torque band and on most engines the exhaust and intake durations don't https://donovanxxwut.ttblogs.com/10977359/5-simple-statements-about-jdm-mitsubishi-engine-explained