For the GSR you can:
Hold in clutch
Hold in gas pedal (car will start limiting revs at 5500)
Start slipping clutch pedal out at a decent speed so you don’t roast the clutch.
-or-
(preloading)
Get to the line put in 1st
Keep letting off the clutch until you feel it grab
Once it grabs pull e-brake up
Hold the clutch at that point and rev to w.e you want to (5k)
When light turns green drop the ebrake
You can have your tuner up the rev limiter since 5500 can bog somewhat.