Well its not as bad as the picture, but sometimes it seems that way.
For all Z cars 70-84, you do not have to remove the dash to gain access
to the clock.
240Z-
Remove the glove box to remove and install clock. Remove 8mm screw/bolt
on clock bracket, disconnect light socket, and two electrical connections
(blue and black wires). Push clock into dash and remove through glove
box.
280Z-
Remove vent panel under three center gauges(4 screws), remove vent,
remove center duck brackets on left and right side (2 screws each
side-total of 4 screws), remove center duct, remove one screw under
clock, push bracket back into dash, squeeze electrical connector with
thumb and fore finger while pulling on connector. Push clock back
into dash and remove through center vent opening.
280ZX-
Remove glove box. On left side top of glove box opening remove large
electrical connector, remove large phillips screw, pull clock cluster
out through glove box.
