In the event the ratio of equipment is increased than one, the vehicle will keep a higher acceleration and can vacation at an increased speed. Asap hitam sebab injektor kotor,plug yang cepat hitam,air filter kotor dan minyak hitam yang naik sehingga silinder head. Salam. Sy pkai savvy amt thn 2005. https://gearboxauto97418.theisblog.com/34006484/helping-the-others-realize-the-advantages-of-gearbox-auto