I`m exactly on that route where your lines are!! but a barrel roll on a ramp!
Number 4, is depending where the spot is and try to keep a ship`s nose down much as possible (to keep it low as possible while flying after a turbo boost) which creates a great boost after landed on a speed pad.
I hope you understand this
stevie
EDIT, Sorry, I didn`t realise there was more post to come! That is for Hellfire (Charlie)