The online racing simulator
#1 - dev
Option -> View -> set "Clocks mode" to "Off" ?
#2 - dev
Well you can always use a black marker

/me hides in the shadows...
Well, why not? +1

As far as I know, there are no speedometer in GTR-cars.
Well if not removed atleast changed to Digital RPM or something like that.

FGED GREDG RDFGDR GSFDG