no "special tools". (this thing was made before man had invented special tools).
Do you want to remove the entire distributor?
Bring the motor up on compression stroke tdc #1 cylinder, remove the cap to confirm the rotor's position, removing the spark plugs makes this easier.
take the nut off the stud and remove the "y" shaped clamp and the thing pulls straight out.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.