Body & Chassis Dimensions
Overall Body length: approx. 220″ (end of spill plates to front nose)
Front Overhang: 40″ maximum from centerline of front axle to front of body
Overall Body width: 60″ minimum measured at centerline of front & rear axle centerline (normally 63-65 inches wide)
Overall Body height (when mounted): Varies by team & chassis builder
Wheelbase: 125 inches (can vary 2 inches side to side)
Overall weight (with driver at conclusion of run): 2300 lbs minimum screw blower | 2200 lbs roots style blower
(see rules and regulations for additional body design criteria)
Body:
Carbon fiber or fiberglass one piece molded construction
Titanium, aluminum, or steel inner bracing as needed in critical areas.
Lexan windshield and side windows
Chassis:
4130 Steel tubing construction (.058 to .095 wall)
Engine
V8 – 528 Cubic Inches Max with screw blower. 565 cubic inches with roots blower.
Single camshaft, roller followers (lifters), with pushrods.
Compression: 11.4:1 up to 13:1
Hemispherical combustion chamber cylinder heads prefered by most teams (all cylinder head configurations allowed).
Rated at 3500 to 4000 HP @ 9750 rpm.
Maximum Torque –
Supercharged with Screw blower or Roots Blower, with constant flow mechanical fuel injection.
2 stage dry-sump oiling standard
Rebuild as needed
Clutch
3 disc – 2 floaters – pedal clutch standard
Conventional style spring assist foot control launch – combined with (weight adjustable) centrifugal force levers.
Performance
Acceleration: 0 – 80 mph – .90 sec (~60′)
Acceleration: 0 – 212 mph – 3.60 sec (~660′)
Acceleration (performance): 1/4 mile – 5.40 Sec @ 270 mph
Max. Braking deceleration (with parachutes)
Max. Acceleration 3.25 – 4.0 G (depeding on atmospheric and track conditions)
Safety Standards
Full PADR, NHRA & SFI safety standards.
Body: Fireproof undercoating mandatory. Working escape hatch installed
Chassis: SFI Spec 10.1
Brakes: Carbon fiber front and rear mandatory
Parachutes: Dual Parachutes Mandatory with dual tether system
Fire supression: SFI Spec 17.1 | 20 lb system
Driver: Fire Suit 32A/20, gloves-boots-head sock 3.3/20, SFI 38.1 head & neck restraint, fresh air breathing system mandatory
Electrimotion safety shutoff device mandatory
Transmission (Gearbox)
3-speed Planetary (manually or pneumatically shifted by driver)
Reverse gear manditory
Gear changes at 9000 – 10,800 engine rpm – depending upon track conditions, atmospheric conditions, & team preference.
6,000 – 7,800 starting line engine rpm
Fuel Cell & System
5 gallon to 15 gallon Fuel Cell Standard.
Aluminum or Polyethelene (HDPE)
18-20 GPM Gear Pump (Normal)
Intake manifold port & (supercharger) hat injected.
Cylinder head port down nozzels also used
Ignition:
1 – 40 amp magneto
Electronic timing control systems in use
Internal trigger or external crank trigger
1 Spark Plug per cylinder
Electronic Features
Data acquisition computer legal, but cannot control functions of the car other than safety shutoff.
Electrimotion safety shutoff device mandatory
Suspension
Solid mounted Chassis
Adjustable height front spindles legal
Brakes
Driver controled hand brake
4 piston callipers rear
2 piston callipers front
Industry carbon-carbon brake discs and pads.
Wheels and Tires
15″ x 3” front wheel dimension.
16” x 16” rear wheel dimension.
Rear – Goodyear or Hoosier Drag Racing specific slicks
Front – Goodyear or Hoosier Drag Racing specific racing tires
Steering System
Non-assisted steering gear box.
Butterfly Steering wheel with optional dashboard, gear change buttons, & guage display.
Video Equipment
Legal with approved camera attachment devices.