Originally posted by carver9
Goku no longer needs to power up in order to become a SS1, SS2, or a SS3. He can do it at an instant, as seen in the Super Buu and Kid Buu fight.
WROOONNNGGG! Goku always has trouble when powering up to SSJ3. He can sustain SSJ1 & SSJ2 for long periods of time but not SSJ3.