4.12 BODY 4.12.1 AIRFOILS/ WINGS Airfoils, canards, wings and spoilers other than original factory equipment are permitted on open vehicles and Power Added Sedans, subject to Class Regulations. Adjustment or movement of any aerodynamic device during a run is prohibited. All devices must be securely supported and mounted. Top Fuel wing supports must comply with SFI 49.1.
4.12.2 GENERAL DIMENSIONS 40.00” Maximum Front Overhang
Maximum rise forward 24.00” of the front axle centreline
Maximum Spill Plate Height 12.00” 3.00” Ground Clearance
Altered Front Dimension Regulations
4.12.3 BONNET SCOOPS
A B ROAD SURFACE Measure between point A (highest point of hood scoop) and point B (highest point of bonnet). All measurements must be perpendicular to road surface.
4.12.4 DOOR ATTACHMENT Where “quick release” door hinges are used on Sedan type vehicles, a positive retaining device must be fitted to prevent accidental detachment of the door from the hinges.
4.12.5 LATCHES Where a vehicle body must be raised for driver access, the latch must be located in the centre of the front face of the body. On other vehicles, a 75 mm (3 inch) diameter circle in a contrasting colour is required to indicate the positioning of all latches used to secure engine covers. Reflective tape is acceptable. Where external hood pins are used this requirement will be waived.