spin the fan with engine off, should be smooth, ie no grinding sounds. however the fan don`t normaly run when at speed, it`s supposed to work at low rpm, when you don`t have alot of air across the rad. go spin it and see what you think.
__________________
SHIFT_old school
399.5 hp 430 tq on 95k mile junkyard motor
12.0 @ 118.22 1.89 60`
DILLIGAF?
