I found out there are 2 types:- 3 speed and 4 speed automatic
http://www.internetautoguide.com/car-specifications/09-int/1996/toyota/corolla/index.html
i have a problem that want tips of kampung style tuning. dun say dyno tuning or wide band tuning or aftermarket knock sensing becos i'm in kelantan and to go KL...huuhuu far far away lah