Here's new footage of the Lightning Cruiser with the Red Ranger right by it
Here's new footage of the Red Ranger and Elgar fighting
Once you seed Artillatron and the Rescuezords then it's the start of Sentai footage.
Once you see the display of the Turbo Megazord's decreasing from 20% to 18% then that's a sign that the footage is coming from Car 43.
All Giant footage is Sentai footage.

Sentai footage comes from Car 42 and Car 43