[ChipRite]

Hi,
The ladder issue is something to look at carefully and my advice is buy a plastic one, maybe 1 or 2 step. Cover it with padding on the side that faces the vehicle, also put a kick strip on so that your boots/shoes are not able to touch the vehicle.
You may want a second 3 or 4 step for trucks
The hood protector also becomes an issue as you may find yourself laying across the car, so you need something that hangs down the side of the vehicle. A blanket always works well.

The Delta new style injectors have the advantage that they are more robust (no thin shoulders at the back) and have a wider throat, my miniature funnels now work perfectly.
Good luck.