
Originally Posted by
marcs
Overdrive off simply means the transmission will lock out the highest gear. So maglalaro lang sya sa 1st to 3rd gear kung baga. Usually used when you're going up and down steep roads (e.g. on climbs baka kapusin yung 4th gear (overdrive gear), or when going down so you get a bit of engine braking).
The overdrive (or 4th gear) is usually there, not to really get you faster, but to let the engine run more efficiently at faster speeds. So if you have the overdrive off, then hindi efficient ang pag takbo ng engine mo and most likely why ang taas ng FC mo.