Mark all true statements according to the FS Rules

1. After technical inspection a complete damper can be changed
2. The minimal bend radius for hoops is 2.5 times the outside diameter of the used tubular material
3. The minimal material outside diameter (without any decimal place) of a closed section steel tube with wall thickness of 2 mm for the main hoop is 30 mm Correct
4. The minimal fuel pressure for the injection system is 1.5 bar
5. A team can receive penalty points for issues in Technical Inspection Correct
6. For the Cost and Manufacturing Event, all costs must be displayed in Dollar
7. For the VSV the car must run under its own power Correct
8. The outer diameter of a skid pad track circle is 31.25 m