RALLY2
RALLY2 – 2WD Rally Cars
* Group N: This class is typically for production-based cars with minimal modifications. They often feature engines around 2.0 liters and have a focus on reliability and handling.
* Group R: This class includes rally cars based on production models but with more extensive modifications, such as upgraded suspension, brakes, and engines.
* AP4: This class is a New Zealand-specific category for locally built rally cars. They are designed to be competitive and affordable, with a focus on performance and safety.
Typical Specifications – While specific details can vary, here are some common technical specifications for two-wheel drive rally cars in New Zealand:
* Engine:
* Capacity: Typically between 1.6 and 2.0 liters
* Type: Often naturally aspirated, but turbocharged or supercharged options are available
* Modifications: May include upgraded internals, performance cams, and higher compression ratios
* Transmission:
* Type: Sequential gearbox with close ratios
* Gear counts: Usually 5 or 6 speeds
* Differentials: Limited-slip differentials are common
* 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