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1JZ.747
Forums Junkie

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Osama's hideout
Registered:
February 2003

Re: sport compact classes	Wed, 01 June 2005 02:45

chris et brackets are your friend et brackets are as harsh on trim. Class Designation: ET proceeded by car number NB: Unqualified vehicles from other categories will not be permitted to drop into ET Brackets, but a separate bracket for non-qualifiers may be provided by the track. The ET Bracket categories are considered non-electronics classes. Delay devices, throttle stops, air shifters, trans-brakes, etc., or any device that transmits real-time on-track data to the driver or any remote location are prohibited. All applicable ANDRA rules apply based on elapsed time. Under-subscribed classes and non qualified competitors from other brackets may compete in this bracket, under full relevant class compliance. ET Bracket class uses a .4-second, full-countdown tree. CLASS REQUIREMENTS 1. Engine 1.1 Engine: Any 4, 5 or 6-cylinder or rotary automobile engine permitted. 5 and 6 cylinder must be overhead-cam. 1.2 Exhaust: All cars competing in ET Bracket classes must be equipped with effective muffling devices. Any vehicle that did not come equipped with a muffler(s) from the factory permitted, provided complete, unmodified (except for header) OEM exhaust system is utilized. 1.3 Fuel: Restricted to alcohol or petrol only. Refer ANDRA General Regulations 1.6 and 1.7. 1.4 Fuel System: See General Regulations 1.8. 1.5 Liquid Overflow: See General Regulations 1.9. and 2.0 1.6 Nitrous Oxide: Commercially available nitrous oxide permitted, including for supercharged and turbocharged engines. Nitrous bottle(s) in driver compartment must be equipped with a relief valve and vented outside of driver’s compartment. Hoses from bottle(s) to solenoid must be high-pressure steel-braided. Commercially available, thermostatically controlled, blanket-type warmer accepted. Any other external heating of bottle(s) prohibited. See General Regulations 1.12. 1.7 Supercharger, Turbocharger: Permitted. High-helix and screw-type superchargers prohibited. Liquid intercoolers limited to water and/ or ice ONLY. Dry or wet ice permitted in intercoolers. Units must be sealed to prevent cooling medium or fluid dropping onto track surface at any time. See General Regulations 1.13. 2. Driveline 2.1 Driveline: Driveshaft loop required on all RWD cars running 12.99 or quicker. See General Regulations 2:4. 2.2 Flywheel Shield: All manual-transmission-equipped RWD cars running 10.99 or quicker must have a flywheel shield labeled as meeting minimum SFI Spec 6.1 or 4.1 or a fabricated shield made of 1/4-inch (6mm)-steel, surrounding the bell housing 360 degrees, extending 1 inch (25mm) forward and 1 inch (25mm) rearward of the rotating clutch assembly. Shield must be securely attached to frame or frame structure, may be multi-piece. All rotary engine vehicles equipped with nitrous-oxide injection and/or turbo/supercharger running 9.99 or quicker, or any vehicle exceeding 135 mph must use a flywheel shield labeled as meeting SFI Spec 6.1 or 4.1 minimum. All FWD or transverse-mounted applications using a clutch and running quicker than 10.99 must be equipped with a flywheel shield made of 1/4-inch (6mm) minimum-thickness steel plate. Shield must surround the bell housing completely except for area of flywheel shield adjacent to differential and axle shaft. Shield may be multi-piece, with pieces bolted together using minimum 3/8-inch (10mm) diameter Grade 5 or M10 class 8.8 bolts; may be attached to engine and/or bell housing. See General Regulations 2.6. 2.3 Automatic Transmission: See General Regulations 2.1. 2.4 Rear End: See General Regulations 2.7. 3. Brakes & Suspension 3.1 Brakes: Four-wheel hydraulic brakes mandatory. See General Regulations 3:1. 3.2 Steering: See General Regulations 3.3. 21 3.3 Suspension: Full, automotive-type suspension, front and rear. Minimum 1 working shock absorber per wheel, rigid-mount suspension prohibited. Lightening of stock components prohibited. See General Regulations 3.4 3.4 Wheelie Bars: Permitted. May be adjustable, but must be fixed during run. Any movement or adjustment during run prohibited. Pneumatics, hydraulics, electronics, etc. prohibited. Wheelie-bar wheels must spin free at the starting line. Any preload prohibited. 4. Frame 4.1 Ballast: Permitted. See General Regulations 4.2. 4.2 Chassis: Tube chassis permitted. See General Regulations 4.7. 4.3 Ground Clearance: Minimum 3 inches (75mm) from front of car to 12 inches (305mm) behind centerline of front axle, 2 inches (50mm) for remainder of car (except for exhaust more than 12 inches (305mm) behind centerline of front axle). 4.4 Parachute: Mandatory on any car running 140 mph or faster. See General Regulations 4.6. 4.5 Roll Bar: See General Regulations 4.7. 4.6 Roll Cage: See General Regulations 4.7. 4.7 Wheelbase: Minimum 90 inches (2885mm) unless car has original engine. Maximum wheelbase variation from left to right is 1 inch (25mm). 5. Tyres & Wheels 5.1 Tyres: Must be DOT or racing tyre. Retreads, space saver spares, or any other non-DOT approved tyres prohibited. Cars quicker than 12.50 (1/4 mile) using independent front suspension and cross ply rear tyres are not permitted to use radial from tyres. 5.2 Wheels: Must be automotive-type wheels suitable for street or racing use. Minimum wheel size 13 inches (330mm) unless originally equipped with smaller wheels and vehicle is equipped with original engine. Wheel studs must be threaded into hex portion of wheel nut a distance at least equal to the diameter of the stud. See General Regulations 5.3.22 6. Interior 6.1 Interior: Upholstery, headliners, carpets, dashboard, etc. optional. Must be equipped with one seat minimum for driver, properly installed. Holes, slots, or other openings in floor and/or firewall prohibited. See General Regulations 6.1. 7. Body 7.1 Body: Any 4,5 or 6-cylinder or rotary automobile, light truck or 4WD permitted. Mild Customizing permitted, but must retain full-bodied appearance and silhouette, with minimum 2 functional doors. Doors must open and close from inside and outside. Glass may be replaced with Lexan or other shatterproof material, minimum thickness 1/8-inch (3mm). Side windows need not be operative, but must be in fully closed position for run. See General Regulations 7.8, 7.9. 7.2 Firewall: Mandatory. See General Regulations 7.4. 7.3 Street Equipment: Headlights and taillights must be present or painted on; need not be operational except for one working taillight. 8. Electrical 8.1 Batteries: Batteries must be securely mounted; and may not be located in driver compartment unless sealed off per General Regulations. See General Regulations 8.1. 8.2 Ignition: Two steps, rev limiters, etc. permitted. Two steps, rev limiters, or any other rpm-limiting device, legal unto themselves but altered and/or installed so as to function as a down track rpm controller, prohibited. See General Regulations 8.3. 9. Support Group 9.1 Computer: Vehicle Management System’s prohibited. Electronic fuel injection permitted. See General Regulations 9.2 Data Recorder: Permitted. See General Regulations 9.3. 9.3 Fire Extinguisher System: Permitted; must be securely mounted. See General Regulations 9.4.23 9.4 Tow Vehicles: Only permitted where use of a parachute is required. See General Regulations 9:9. 9.5 Warm-Ups: See General Regulations 9:10. 10. Driver 10.1 Credentials: All drivers running 12.00 seconds or slower (1/4 mile) require ANDRA DDL as a minimum. Drivers between 11.99 and 10.99 (1/4 mile) must hold an ANDRA SSL. Drivers running quicker than 10.99 (1/4 mile) require an ANDRA UDL. See Section 1 -Credentials. 10.2 Driver Restraint System: See General Regulations 10.11. 10.3 Helmet: See General Regulations 10.8. 10.4 Neck Collar: See General Regulations 10:10. 10.5 Protective Clothing: See General Regulations 10:10. [Report message to a moderator]

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