Ur tire spin or not? Cos when u rev and suddenly engage the gear u will cause the gearbox synchromesh to be put under sudden high stress.. Later then ur gearbox got engaging problem cos the synchronesh worn out..
Nope.. Never makan minyak eventhough after change i went to genting at least 3 times,  ulu yam 1 time and high speed on the highway back and forth JB-KL for 4 times day.. 5.5k mileage and still standing strong!! But the oil quite black lah. haha..
NEW TERED MANA?