2023 Boronia Bash Rules


Any brand of IFMAR/ROAR legal independent suspension 1/10th Scale touring car chassis.

Muchmore Racing – Fixed Timing Spec FLETA ZX 17.5T Type W Brushless Motor with Zero timing.
Muchmore Racing – Fixed Timing Spec FLETA ZX V2 17.5T with standard rota – Brushless Motor with Zero timing.

Tampering in any way at all is NOT ALLOWED!.
The Motor selected must be run as is out of the box. General cleaning of motor and lubing of original bearings is allowed.

Any ESC that does not have dynamic timing i.e.: boost or turbo options,
Any ESC that has a Blinky Mode i.e. ; A flashing light denotes that no dynamic timing is enabled /allowed .

Body Shell: 
2 Door GT Style Bodies ONLY – 190mm.
36 Rubber tyres only (24mm)

Hop-Ups Unrestricted hop-ups.
FDR Gearing – is to be set between 3.5 Minimum to 3.8 Maximum


IFMAR/ISTC legal 190mm touring car four-wheel drive. (Two-wheel drive to front or rear wheels is also allowed.) Flat Pan (1/12th and 1/10th Track Style) chassis are not allowed. Chassis must have independent suspension on all four wheels. Each driven wheel must have a flexible joint, eg: dog bone/s or universal joint/s in its driveshaft. Drive train and suspension design is free from restriction. The Chassis must not be shaped to gain an aerodynamic advantage. In principle the underside of the chassis must be flat and parallel to the ground along the entire length of the body-shell. Aerodynamic shaped parts (splitters/diffusers/tunnels/etc) may not be fitted to the chassis.

Any ROAR or BRCA approved motor. All brushless motors for the Stock class will be wind rating of 21.5 turns, clearly indicated by the manufacture on the external casing. Stator, Stock Motor: Only three slot “Y” wound stators are permitted. No delta wound or slot less stators are allowed. Only circular (round) pure copper magnet wire permitted. The three slotted stator must be wound with 21.5 turns of 2 strands of a maximum diameter of 0.0724 mm per slot.

Any ROAR or BRCA approved (stock class) Speed controller. Stock classes ESC must provide zero timing advance, along with disabling advanced motor control functions (i.e. Boost, Cheat Mode, Turbo, etc). When the “0 Boost” profile is enabled, it shall be indicated by a blinking LED while the ESC is armed and in neutral position

Open – No restrictions.

HPI tyre part No #4793 (Front) and #4797 (rear), using stock tyre insert provided with the tyre. Any HPI wheels designed to fit these tyres. Wheels and tyres designated as “Front” must be used as front tyres/wheels, “Rear” wheels/tyres must be used as rears. Some tyre tread must be visible. Grinding of tyre is not permitted.

Protoform wheels and tyres

10140-00 – PROTOform VTA Front Tyres (26mm)
10139-00 – PROTOform VTA Rear Tyres (31mm)

2766-03 | PROTOform VTA Front Black Wheels (26mm)
2766-04 | PROTOform VTA Front White Wheels (26mm)
2765-03 | PROTOform VTA Rear Black Wheels (31mm)
2765-04 | PROTOform VTA Rear Wheels (31mm)

No “double stuffing” of foam inserts allowed—only single stock vintage tyre inserts are allowed.

Any two (2) cell Hard-cased 7.4volt Lipo pack. As per the approved listed on the ROAR or EFRA websites .

Body Shell: 
Any pre 1990 model, 2 door or 4 door road / race car. Deck
lids and spoilers that come out with the car are allowed. No
additional skirts, raised/extended wings or air controlled
surfaces are permitted. Body must be trimmed to trim lines.
Full rear bumpers required. If unsure check before racing.
Bodies considered outside the spirit of the sport can be
excluded without notice.

Any hop up available from any manufacturer.

Minimum 1450 grams ready to run including transponder.

12th Pan Car (13.5)

As Per RCRA rules.  GT Bodies acceptable


As per RC Formula 1 Ozzie Rule set


Eligible chassis: 
Tamiya M03/M05/M07 series and/or 3 Racing MG EVO Mini, assembled as per Instruction Manual.

No chassis/power train modifications allowed, with the exception of the differential which may be of any style (eg – spool, ball diff, open gear diff, or sealed gear diff, no one ways), from any manufacturer. Original internal ratio must be retained.

Any commercially available or old stock 55mm or 60mm nominal OD rubber mini-sized tire, in any combination and/or compound, with any insert, and standard 0 deg offset mini-sized wheels.

Body shells are open, with the following restrictions – No Post 1980 4 door Touring Sedans, or 12th scale type Wedge/Can-am bodies.

Tamiya Cars: 
20 Tooth (AV pitch) pinion max.
3 Racing MG EVO Mini: 80/28 (48 dp) combo only.

Motor/ESC Combo: 
Hobbywing Max 10 Combo – 60 Amp ESC Model No 30102602, 3300kv Motor Model No 30402600 – COMPLETE SYSTEM
Or – 13T/3000KV Hobbywing OEM or re-branded COMPLETE SYSTEM with max 60 amp ESC and engraved /etched can. No modifications are permitted to motors or to ESC to Motor wiring.
3400kv max when tested.

Bearings and Tamiya/3 Racing Hot-ups intended for the specific car permitted.
Exceptions – official Tamiya optional alloy/carbon components may be replaced with an equivalent aftermarket part.
M07 may additionally use aftermarket alloy front uprights (but not C-Hubs) and also the Arion Racing and Yeah Racing SWB conversion alloy rear uprights.
No Carbon chassis/upper chassis plates.
Dampers/Springs are open.

Any 2S, Hard-cased 7.4 Lipo packs that will fit the mini chassis (without modification to pack or chassis).
Minimum weight limit of 1330 grams (with transponder).

Tamiya Trucks

Tamiya TT-01E series chassis only, assembled to the instruction manual. No power train or chassis modifications allowed.
Hop ups allowed listed below.

540 brushed as supplied in the kit. (Replaceable Part)
No modifications allowed.

Body supplied in the kit (Replaceable Part)

Tires supplied in the kit (Replaceable Part)

Ball race bearings, part no. #BTE01 (#54025)
Aluminium propeller joint and shaft set part #54206
Metal motor mount part #53620
Racing steering arms only in kit #54058 (DO NOT USE THE ADJUSTABLE CUPS IN THIS KIT)

58T Spur gear #50357
22T Pinion #53665

NIMH or LIPO Stick pack, Dean plugs allowed.

Kyosho Fazer & Kyosho Fazer Pro

Kyosho Fazer Class is for adults or juniors that do not or have not run in any other class

Kyosho Fazer Pro Class is for adults or juniors that have run in another class or classes


Any Kyosho Fazer Mk.2 Ready To Run 4WD models.

ESC & Motor

Kit supplied ESC & motor must be retained.
Motor Bullet connectors may be removed or shortened and soldered directly from the ESC to motor


Kit body or any 190-200mm scale Touring Car, sedan, rally or GT body. Body may be painted in any scheme.


Kit tyres and wheels or any 24mm on-road rubber tyres.
No tyre warmers allowed.
No tyre additive allowed.
Tyre cleaner allowed.

Permitted Modifications

Shock oil may be changed.
Steering servo may be changed.
Receiver and transmitter may be swapped.
The plastic 32T 48P pinion gear may be replaced to steel/aluminum for durability.


Any 2S LiPo battery and must not exceed.
Batteries must be hardwired Deans, Tamiya, or XT60
No bullet type connectors or adapters to convert from bullet.


As per kit

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