Juniors & Novice Juniors

• For the younger drivers – 10 to 16 years old with little or no racing experience (note: to be eligable for the SEGTO championship the minimum age is 12 years)
• Novice Juniors are permitted to carry a responsible adult in the passenger seat
• The build specs are the same as ‘Production A’ class with some exceptions such as no locked differentials, additional roll cage requirements, etc.

Production A

• Maximum engine capacity: 1,000cc FWD or 1,100cc RWD
• OHV, OHC and single point injection engines subject to homologation list
• 0.060″ (or metric equivalent) overbore permitted
• Any carburettors or injection must be as per manufacturers specification/supply
• ECU’s if used MUST be of manufacturers supply and unmodified with original stickers and markings visible and unmodified
• Locked differentials ARE permitted, limited slip differentials are NOT
• Shock absorbers may be uprated, coilover shock absorbers are only permitted if they are fitted as standard by the manufacturer
• Maximum tyre width: 175mm with relevant markings to show they are suitable for road use

Production B

• Maximum engine capacity: 1,300cc FWD or RWD
• OHV, OHC and single point injection engines subject to homologation list
• 0.060″ (or metric equivalent) overbore permitted
• Any carburettors or injection must be as per manufacturers specification/supply
• ECU’s if used MUST be of manufacturers supply and unmodified with original stickers and markings visible and unmodified
• Locked differentials ARE permitted, limited slip differentials are NOT
• Shock absorbers may be uprated, coilover shock absorbers are only permitted if they are fitted as standard by the manufacturer
• Maximum tyre width: 185mm with relevant markings to show they are suitable for road use (with the exception of Yokohama A-021R tyres)

1450 Hot Rods

• Maximum engine capacity: 1,450cc FWD or RWD with engine over the driven axle
• Modified shells/space frames permitted
• Single engine only
• Multi valve engines permitted
• Engine modifications are free (no turbocharging, supercharging, or other forced induction permitted)
• Suspension and all other modifications are free
• Tyres are free (to a maximum rim width of 10″ wide)

Super Saloons

• Maximum engine capacity: unlimited
• Modified shells/space frames permitted
• Twin engine drive is permitted
• Multi valve engines permitted
• Engine modifications are free
• Suspension and all other modifications are free
• Tyres are free (to a maximum rim width of 10″ wide)

Nudge and Spin

• A “nudge and spin” style formula with limited contact permitted
• Engine capacity and build spec may vary at some meetings so it is advisable to contact the ‘Rookie Rep’ to check what will be racing and when

Specials

• Unlimited engine capacity
• Any non-production car with open wheels, with any drive configuration
• Unlimited modifications
• Single or twin engines

Thunder Rods

• Engine capacity: over 1600cc FWD or RWD
• ‘H’ frame cages permitted
• Standard suspension
• All glass to be removed and windscreen to be replaced with 25mm (1″) square mesh
• Drivers window to have a window net
• Original fuel tank to be removed and replaced with a maximum 2 gallon tank in a box or behind a fire wall
• Isolator switch must be fitted on drivers side rear window and clearly marked on/off
• Original seats may be used
• Dashboard to be left in
• Wheel size can vary but tyre width must stay as standard