pasensiya. newbie

guys ask ko lang. i often see sa thread that the idle rpm should be a notch below 1k rpm, tapos to upshift to the higher gear nasa around 2k rpm. pero parang di ko pa nakita yung ideal rpm at which you just stay on the gear (or downshift for that matter).

for instance, i am at 4th gear and i don't want to switch to 5th gear or go lower at 3rd gear. anong rpm dapat ang i-maintain ko? how about going to a lower gear? thanks.