RALLY4

RALLY4 – Four-Wheel Drive Rally Cars 

Technical Specifications – Four-wheel drive rally cars in New Zealand are typically more powerful and capable than their two-wheel drive counterparts. They often compete in higher-level championships and events.

Common Classes and Regulations

* Group A: This class was popular in the past and featured production-based cars with extensive modifications. It has since been replaced by other classes.

* Group N: While primarily for two-wheel drive cars, some four-wheel drive models can also compete in this class.

* Group R: This class includes rally cars based on production models with significant modifications, including upgraded engines, suspension, and drivetrains.

* World Rally Championship (WRC): New Zealand has hosted WRC events in the past, and the cars that compete in these events are at the pinnacle of rally technology.

Typical Specifications

While specific details can vary, here are some common technical specifications for four-wheel drive rally cars in New Zealand:

* Engine:

   * Capacity: Typically between 1.6 and 2.0 liters for production-based cars, but larger engines are used in top-level competitions.

   * Type: Often turbocharged or supercharged for increased power and torque.

   * Modifications: Extensive modifications, including upgraded internals, performance cams, and higher compression ratios.

* Transmission:

   * Type: Sequential gearbox with close ratios.

   * Gear counts: Usually 5 or 6 speeds.

   * Differentials: Active or center differential control systems to manage power distribution.

* Drivetrain:

   * Type: Symmetrical all-wheel drive (AWD) system.

   * Components: Center differential, front and rear differentials, driveshafts, and axles.

* Suspension:

   * Type: MacPherson strut or double wishbone setup.

   * Adjustments: Adjustable ride height, spring rates, and damper settings.

   * Components: High-performance shocks, springs, and control arms.

* Brakes:

   * Type: Disc brakes front and rear.

   * Materials: High-performance brake pads and rotors.

   * Systems: Anti-lock braking systems (ABS) are often used.

* Safety:

   * Roll cage: Fully welded roll cage to protect the driver and co-driver.

   * Fire suppression system: Automatic fire extinguishers.

   * Safety harnesses: FIA-approved racing harnesses.