Group Three – Dial your Own Handicaps
Top Sportsman caters for the fastest sedan based vehicles running in GroupThree, using the dial your own handicap system.
Vehicles competing in this class are required to qualify faster than 8.50 seconds(1/4 mile).
Class Designation: TS/
Eliminator: Top Sportsman
Class Details
TS/A: Any unsupercharged sedan with any engine combination
TS/AA: Any supercharged sedan with any engine combination
Field Size
Top Sportsman eliminator will consist of the quickest 32 sedans qualifying fasterthan 8.50 seconds (1/4 mile) with no lower ET cut off, and will be seeded fromthe first round of racing.
Class Regulations
Engine
(a) Electronic Management: OEM equipment / systems controlling theoperation of brakes, steering, fuel / ignition systems or automatictransmission will be permitted where the original engine and drive-train areused. Moveable aerodynamic devices will not be permitted under anycircumstances. Aftermarket Electronic Fuel Injection permitted.
(b) Engine: Automobile type engines required, any modification permitted,any engine location permitted. Engine must be self starting by driver.
(c) Exhaust: Open exhaust permitted but must exit below sill panel level,directing gases out and to the rear (not at the track surface) of the vehicle. All turbocharged vehicles without mufflers must have two diffuser boltsthrough exhaust pipe. Refer General Regulations 4.1.4
(d) Fuel: All classes restricted to methanol, ethanol or petrol only. ReferGeneral Regulations 4.1.6, 4.1.7 and 4.1.8
(e) Liquid Overflow: Refer General Regulations 4.1.9
(f) Lower Engine Containment Device: Required on all piston-engined carsusing a supercharger / turbocharger or nitrous oxide with an ET quickerthan 9.00 seconds (1/4 mile) / 5.70 seconds (1/8 mile). Refer GeneralRegulations 4.1.10
(g) Supercharging: Supercharging, turbocharging or nitrous oxide injection ispermitted. See Class Designations for Classification. Turbochargedvehicle using 4 cylinder, six cylinder or rotary engines are permitted toalso use nitrous oxide injection. Refer General Regulations 4.1.14
Body and Chassis
(a) Batteries: Refer General Regulations 4.8.1
(b) Body: Any body produced by an automobile manufacturer is acceptable.Fibreglass replica bodies permitted. The replacement of removable panelswith fibreglass or other materials is permitted, but with the exception of1948 and earlier traditional hot rod type vehicles, no external panels suchas bonnet or fenders may be removed. Sedans, panel vans, utilities, etc.are permitted. Convertibles of sedan models are acceptable but mustcompete with the hood up. A minimum of two operative doors requiredthat permit entry from both sides.
(c) Chassis: Frame from radiator to rear of car may be replaced. Anyproperly reinforced frame accepted. Additional members may be adheredfor strength and/or roll cage installation. Refer General Regulations 4.4
(d) Upholstery: Optional. Driver’s seat only required. Refer GeneralRegulations 4.6.1
(e) Wheelbases: Wheelbase alterations are acceptable. Cars from2006.6mm (79 inches) – 2260.6mm (89 inches) are restricted to maximumof blown sixes and fours up to 250 cubic inch capacity or single four barrelV8’s to 310 cubic inches. Such cars must have full roll cage and wheeliebars. There are no restrictions on vehicles above 89 inches (2260.6mm).Wheelbase variation from left to right, maximum of 25mm (1 inch).
(f) Windshield and Windows: Must be in good condition and need not beoperative. All non-operative windows must be permanently closed.Plexiglass of a minimum of 3mm (1/8 inch) thickness may be used in anywindow to replace original glass. Other than factory tint, front windscreensmust be clear on all vehicles.
Drive Line
All rules pertaining to Super Stock class drive lines are relevant to these classes,except that any type of transmission may be used. Refer General Regulations4.2.7 and 4.2.4.4. All supercharged sedans quicker than 7.50 seconds (1/4 mile)/ 4.90 seconds (1/8 mile) are required to use fully floating rear hubs.
Suspension
All rules pertaining to Gas class suspension are relevant to these classes, exceptthat rear suspension is optional. Refer General Regulations 4.3.4
Driver and Safety
(a) Fire Extinguisher System: All supercharged cars using enclosedfibreglass or composite bodies running quicker than 9.00 (1/4 mile), arerequired to carry an on-board fire extinguisher system. Refer GeneralRegulations 4.9.4.1 and 4.9.4.2
(b) Helmet: Required. Refer General Regulations 4.10.8
(c) Licence Requirements: UDL as minimum
(d) Neck Collar: Required in all vehicle quicker than 7.50 seconds (1/4 mile) /4.90 seconds (1/8 mile)
(e) Night Lighting: Required. Refer General Regulations 4.7.7
(f) Parachute: Compulsory all vehicles exceeding 130 mph (208 kph), or 140mph (224 kph) where four wheel brakes are fitted. Dual parachutes with
separate shroud line attachments mandatory on vehicles exceeding 200mph (320 kph). Refer General Regulations 4.4.6
(g) Protective Clothing: Required. Refer General Regulations 4.10.10
(h) Roll Bars / Cage: Refer General Regulations 4.4.7
(i) Safety Belts: Required. Refer General Regulations 4.10.11
(j) Self Starting: Required. All vehicles are required to be self starting and must have a permanently attached starter motor and battery. Push starts and remote starters are not permitted.
(k) Technical Inspections: Refer General Regulations 4.9.10
(l) Tender Vehicles: The use of tender vehicles in Top Sportsman Eliminatoris permitted for all vehicles.
Electronics
Delay boxes, driving aids (such as shift solenoid, and pneumatic start linecontrollers) are permitted for all applications.
Down track throttle stops, electronic interrupters (stutter boxes) and tractioncontrol are prohibited.
Note: References to General Regulations are references to the current ANDRA Drag Racing
Rule Book.