i have a 2000 gsr integra and i have a problem with my vtec, when it starts kicking in i can hear it but i really cant feel it , when it gets around 7k rpm it sounds like when a car tops out on rpm, now i've read some posts and it says that it could be the oil, witch i haven't changed, or the weather cuz is to could out side. please help and tell me what you think. thanks