Classes are split by engine capacity for any Two Wheel Drive (2WD) vehicle, whether Front Wheel Drive (FWD) or Rear Wheel Drive (RWD). Four Wheel Drive (4WD) vehicles have a separate class as they have a traction advantage with all four wheels putting down the power.

Vehicles may be registered, or unregistered. See the How to Start page for some conditions.

Ipswich also runs a separate ladies' class designed for the not too serious femmes, and there are two dedicted Junior classes for the young to have some fun in a controlled environment.

(Vehicles below are just examples, you could be easily be driving something unlisted!)

 A Class – up to 1600cc

Many late model FWD cars, including Civics, Excels, Lasers/323s and Corollas, as well as some older RWD cars like Datsun 1600s (with the 1600 motor), early Celicas and Corollas, some Escorts and early and late Galants/Lancers.

 B Class – 1601–2000cc

A mix of FWD cars like Honda Integras, some Lasers/323s and Corollas, and RWD models like Beetles, Datsuns, Escorts, Celicas, Galants/Lancers, MX5s, Eunos 30X, BMW 318's and even Mazda RX series cars with the 10A motor.

 C Class – 2001–3000cc

A good mix of cars including some six cylinder RWD Commodores, Skylines, 240/260/280Z Datsuns, rotaries with the 12A or 13B motor, many BMWs, FWD Camry's and some VWs. Plus the occasional Porsche...

 D Class – 3001cc and Above

A mix of RWD Commodores (including V6 and V8s), Falcons, big V6 Magnas, Starion Turbos (or any turbo car with an engine capacity above 1760cc), Soarers, 180/200SXs and Silvias, Supras, Focus XR5s and even Cobra kit cars...

E Class – AWD/4WD class

Includes both normally aspirated and turbo cars.  A mix of Subarus (including non WRX, non turbos like the RS2.5), Evo Lancers, Mazda Familias, Skyline GTRs and occasionally the odd Land Cruiser or Patrol. Class E will also include cars that can't be classified elsewhere, such as super lightweight baja buggies...

Juniors are aged 14-17 and have two classes:

• Junior  (J) class is for up to 2 Litre cars (normally aspirated only, 2WD)
• No Changes to Current Junior Class:  This is the preferred option for Juniors.
• Junior A (JA) class is for over 2 Litres (JA Rules amended 18/5/2021)

Note - as it is expected that Juniors are relatively inexperienced, our club’s preference for safety reasons is that Juniors are not to run 4WD/AWD, V8's or turbo/supercharged cars.  To make way for all Juniors to participate in our sport Juniors wishing to compete in a car that is outside the current Junior (J) Class may nominate their car of choice.

1. Parent-Guardian will be responsible for the Junior Driver
2. Each driver must demonstrate to the Club the maturity to drive the nominated vehicle
3. The Club reserves the right to accept or decline all entries
4. At any time during a meeting (event) the officials of the meeting can exclude a driver who shows a lack of maturity and/or control of the vehicle.
5. Junior A is not eligible for the Club Junior Championship

If you have a potential Junior driver but no car, contact the club for more information, and come for a "Come and Try day!" or a "Driver Training Day", as the club will have a vehicle available for use.

For light hearted ladies

Ladies (L) class is for female competitors who want a more relaxed competition, with no restrictions on the type of car.  Any serious competitors are urged to mix it up in the classes described above. To encourage more Ladies to compete and have some fun we have introduced 2 x Ladies Classes 

Ladies Open Class: This will be for all Class “E” type cars (AWD)

Ladies 2WD Class: This will be for all Class A-D type cars (combined)

Capacity multipliers for Turbos and Rotaries

If you are unsure of the capacity of your vehicle, look under the bonnet for the compliance plate which lists what type of vehicle etc, including (normally) engine capacity. If your car is a 2WD Turbo (or Supercharged), simply multiply the capacity by 1.7.

eg A Nissan 200SX is a 2000cc (2 litre) engine, multiply by 1.7 = 3400cc ,which places it in D Class.

Rotary engines have their capacity multiplied by 1.8.

10a (R100, RX3) (just under 1000cc [982cc]) x 1.8 = 1767cc, which is in B class,

12a (RX2, early RX7)(1146cc) x 1.8 = 2062cc, and,

13B (RX4, RX5, late RX7)(1308cc) x 1.8 = 2354cc which are both C Class.

A turbo or supercharged rotary has the above CC's multiplied by the 1.7 factor again,

10a  x 1.8 = 1767 x 1.7 = 3004cc,

so all blown rotaries are in D Class, regardless of which variety.

The details are here on the Motorsport Australia website

The club offers a series of championships througout each calendar year.

1.  Club Championship (Seniors) The overall Club Champion is derived from all points accumulated at any Motorsport Australia event, in competition with other competitors.

2. Junior Championship  The overall Junior Champion is derived from all points accumulated at any Motorsport Australia event, in competition with other competitors

3. Autocross Championship - Club event points only

4. Sprint Championship - Club event points only

as well as class awards for Autocross and Sprints. Note! Driver challenges and Special events will add points to the Club and Junior Championships.

Club Points are awarded 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 1, 1 etc.  If there are only 4 or 3 entries, points are 9, 8, 7, 6 and if only 2 or 1 entries, points are 8, 7.

• If you placed 1^st in a class with more than 5 entries, you receive 10 points.
• If you placed 10^th in class (or lower) with 10 entries or more, you would receive 1 point.
• If you placed 1^st in class with 4 entries, you will be awarded 9 points.
• If you placed 1^st in a class with two entries, you would receive 8 points.
• Any finishing position by a non-member means those points are not awarded.

This places a slight emphasis on classes with greater entries, hence greater competition.

The Club Captain collates the points and keeps the tally.  The Club Captain will score any event that they know about, so if you compete somewhere, please email them with a results sheet or other information on the event and the score will be added.

Members generally score most of their points at our events, however competing at many events, and disciplines, will keep the scoreboard ticking over. Traditionally the Club Champion competes at a variety of CAMS sanctioned events in many locations. (Bonus points)

Autocross, Open Sprints, Rally, Hillclimbs, Gatton/Pittsworth Sprints, Short Circuit Events, Motorkhanas and Khanacross are all events that our members historically compete at.

For Autocross, Open Sprints the points are accumulated in the events at our track.  Each event offers a maxium of 50 points per class.

The Autocross and Open Sprint Champs are the highest point scores from any/all classes, so if a person wins in multiple classes, they may be the Sprint, or Autocross, Champ, but not be a class champion :)

When there are equal points a count back system is used:

1. Number of wins
2. If tied on wins, then no of 2nds, then thirds etc
3. If still unable to split the final tiebreak is the driver with the best time for that discipline at any of the events conducted over the year. 

Bonus Points for Club Champion and Junior Champions:

Note! To qualify to score points towards the Club Champion and Junior Champion from away events the Driver must:

1. Participate in a minimum of 50% of the events run by the IWMAC Club the year to be eligible.
2. Driver must send event/result details to the Club Captain. 

   Email: This email address is being protected from spambots. You need JavaScript enabled to view it. Attn: Club Captain in Subject Line.

3. Points awarded for any away events will be awarded at 50% of club awards

Points are awarded 5, 4, 3, 2, 1, 1, 1 etc.  If there are only 4 or 3 entries, points are 4, 3, 2, 1 and if only 2 or 1 entries, points are 3, 2.