With my save, getting the platinum will be a breeze once Xploder/Save Wizard supports 4.70 saves.
Originally posted by another user
If you start the game up a bunch of trophies will pop.
For the trophies that will not pop, simple start a race one one of the tracks, that are related to the trophie you are looking for.
You dont need to finish the race. The trophie will pop instantly.