Wat i do is i look and compare. If there is another way to check, i havent found it yet
You have to beat 01.03.752 to get a fast staff ghost unlocked on that track. The normal ghost time is 01.06.595 and the expert ghost is 00.59.907.
by beating a ghost super awesomely on time trials
to unlock any expert staff ghosts in Mario Kart Wii, you gotta beat the normal ghost in the time trials.
You need to unlock 12 expert ghost staff trials in Time Trials.
Beat a normal staff ghost by 5 seconds or more.
beat a normal ghost and expert ghost by 4 seconds
An expert staff ghost is a fast ghowt that you unlock after you beat a normal ghost by seven seconds
beat your old data by 4 secs
You have to unlock 8 Expert Staff Ghost Data in Time Trials
You get 8 fast staff ghost data in time trials.
You have to unlock 4 expert staff in ghost data in Time Trials.
Get 24 expert ghost staff on time trials you unlock a ghost staff by beating a member of staff on Mario kart ( name always ends with NIN ) by 7 seconds or more hope this helps