ignition on 79 280z

[upchuckph]

so im trying to switch out a ignition switch on a 79 dutson 280z there is 4 screws that hold it on the steering shaft. 2 screws have a phillips head and the other two has no head to unscrew it. any ideas???

[slidin280Z]

I'll try and look in my car tomarrow and figure somethin out for ya