vibration problem need an expert my rsx is falling apart need HELP!!!

[2003rsxtypes]

ok so it vibrates the whole car ONLY at about 1000 to 2000rpm then is fine up to 8000 it can be in N or any gear clutch engaged or not any speed NO codes tho


engine mounts "seem" ok no clunking or any abnormal engine movement .
car has 100,000 mi 2003 rsx type s

pleas help the vibration is unbearable

does any one know if the k20a2 has a counter balance shaft and can it go bad


thanks in advance for any help

[somick]

Could a balancer belt brake (if it has one)?

Sam