Text display time is on client side, so only way to change it is to use OTC.
ex. OTCv8:
Code:
ANIMATED_TEXT_DURATION = 1000,
STATIC_DURATION_PER_CHARACTER = 60,
MIN_STATIC_TEXT_DURATION = 3000,
Default minimum time is 3000 ms (3 seconds), but it can be longer. Text display time is 'number of letters' * 0.06 sec, so 200 letters text will be displayed for 12 seconds. Change
MIN_STATIC_TEXT_DURATION
to
1000
and
STATIC_DURATION_PER_CHARACTER
to
0
to make it show all texts for 1 second.