wheel hub/studs
 

I just bought my 6th car a few months ago and it has just been problem after problem with her

1991 rx7 fc3c

Most recent problem I was driving last week and a wheel completely fell off and dented the fender pretty good. Anyways come to find out the guy who had it before me was running spacers but didn't get longer studs for them, ALSO almost all the wheel studs on the car are stripped. I have taken off the caliper and rotor and I don't know where to go from here. I tried taking the hub cover thing off with a flat head and had no luck. If any one has any tips it would be much appreciated :)

-Michelle