2ltr Saloon Stockcar Rules 2025

1)Bodyshell to be ABS and be representative of a full size modern day 2 litre stock car. Roof fins are
now mandatory with a minimum height of 15mm at its highest point. No hotrod style wings are
allowed.
• Bodyshells any 2litre Saloon shell 

2) Any oval based chassis will consist of one continuous sheet of aluminium or glass-fibre reinforced
plastic (grp), Minimum chassis thickness of 2mm across the entirety of the chassis. The chassis must
extend a minimum 10mm ahead of the front axle line and runs continuously along the car to end a
minimum of 25mm behind the rear axle line. 75% of the chassis by area is to remain uncut. No gt12
/ Lmp chassis allowed. Side protection plates are permitted and can be made out of plastic, grp or
3d printed and kept within the maximum rolling width.
3) Overall maximum width of the rolling chassis to be 165mm (178mm including body and bumpers)
wheel base should be 205mm +/-10mm. Minimum ride height 3mm minimum at all times including
bodyshell.
4) Front suspension must be independent provided that the suspension design does not have any
pivot, rod or other mechanism that alters the wheel camber in roll relative to the chassis during its
full travel. Trailing or inline hubs are allowed in either plastic or alloy, Thrust bearings allowed
between the wishbone and hub, Kingpins to be 3-5mm and can be either rod with e-clip fitting or
bolted in place. Wishbones can be either single or beam type made of plastic (moulded or cnc cut),
grp or 3d printed, the front springs must be fitted over the kingpin. Camber and caster are open
with the use of washers or shims.
5) Rear pod may be alloy or plastic, It should have a single pivot point at the front, two rear springs
and guide pin, Springs must be 1 either side of the guide pin, Ride height adjustable rear pods are
allowed, Damper tubes allowed to be fitted to rear pod (maximum of 3) only basic damper tube
style allowed with no springs inside. No damper disk, oil filled shocks or any other style damper.
Axle to be steel or alloy (No carbon/Graphite axles), Z-drive style/schumacher gear carrier allowed.
Gearing is open to 32dp or 48dp only. No rear diffs allowed. No torsion bars or side links allowed.
6) Battery position is open but must be securely fitted.
7) External plastic bumpers to be fitted to the chassis front and rear. Front to be a grid type bumper
and have a minimum of 3 and maximum of 6 uprights fitted. Min height of 25mm and max height of
35mm from chassis to top of the bumper. If a single rail rear bumper is used, it must be spaced up
from the chassis. Spacers to be a minimum length of 5mm and max length of 10mm. If a grid bumper
is used on the rear it must follow all rules of the front bumper.
8) Metal materials used in the rolling chassis may only be steel, brass or aluminium. Special metals
(such as titanium) are not allowed.
9) Rolling element (ball) bearings are allowed on the front and rear axles.
10) Minimum weight is 1150g for both Brushed and Brushless. All weights must be bolted to the
chassis with a nut and bolt except under lipo weights which must be securely taped in. Brass, lead
and steel only may be used as identifiable weights to meet the weight limit and when removed do
not have any effect on the car’s function as a rolling chassis.
11) Wheels must be standard dog drive type (Kamtec/Mardave/Contact), Single bolt fitting only ,
No high offset kamtec or gt12/lmp wheels allowed. Min 25mm. Max 26mm width of tyres and Max
60mm diameter no Min diameter of tyres, but the tire must cover the wheel. Tyre additive is NOT
allowed.
12) Powered by either a 13.5t/10.5t brushless motor, with a 1s lipo battery esc must be in BLINKY
mode with a max £150rrp or a 6 cell brushed setup with a Kamtec k21 or Core21 motor.
13) All lipo batteries are subject to a voltage test max of 4.2 volts, prior to any race at committees
wishes anyone who fails the test will be not permitted to race that heat, and anybody who refuses to
partake in a voltage test may also be removed from the heat/final.
14) Parts from other manufacturers may be used as long as they serve the same purpose as the part
they are replacing.

                  1300 stock car construction rules 2025

1) Body to be ABS and a reasonable representation of a full size1300/1400 stockcar.
Spoilers are not permitted. Shells to be of a hatch back type shells, no estates or saloon type
shells. Shells are to be standard style shells, no hot rod/wide arch shells like the mk7 fiesta
hot rod or wide arch starlet etc. Windows Must be fully cut out. Roof fins must be fitted and
must be a minimum of 15mm above the roof line.
2) The chassis component will consist of one continuous sheet of aluminium or glass
fibre-reinforced plastic (GRP) only. Minimum thickness of 2mm across the whole chassis.
Chassis is to be a minimum width of 74mm +/-0.5mm, with tapers at the front and rear of the
chassis, outside the wheelbase by a maximum of 30mm
The chassis must extend from a minimum 10mm ahead of the front axle line and run
continuously along the car to end a minimum of 25mm behind the rear axle line. 75% of the
chassis by area is to remain unmachined in any way. This includes mounting holes, slots cut
for motor cooling, holes for clearance under the servo saver, slots/holes in the centre of the
chassis for battery mounting/cooling. Slots cut in the side of winged chassis are allowed. Any
holes or slots other than mentioned above are NOT allowed. Grp or 3d printed side
protection plates fitted to the chassis may be used if wanted to protect the battery from side
impact.
Body posts are to be constructed from plastic only.
3) Mardave/ Kamtec type rear pod base plate, pivot ball and standard V12 spring location, or
equivalent parts in shape and construction and mounting locations. 2 rear springs only.
4) standard Mardave/Kamtec front wishbones only, this includes the new style mardave
wishbones. Wishbones are to be made of plastic only. Trailing steering blocks are allowed,
but must be made from plastic, no alloy ones allowed. They must use the standard two bolt
fixing and not modified/elongated.
Gt 12 style parts are not permitted except for the shumacher kingpins part number U8150,
hub carriers part number U8376, stub axle part number U3954 with schumacher springs or
mardave equivalent parts. King pins are to be 3mm to 5mm in thickness. Springs must be
fitted over the kingpins.
Ride height/castor can be adjusted with washers, shims, or wedge-shaped spacers.
5) External plastic bumpers to be fitted to the chassis front and rear. Front to be grid and
representative of a full-size stock car. Min height of 25mm and max height of 35mm from
chassis to top of the bumper. If a single rail rear bumper is used, it may be spaced up from
the chassis. Spacers to be a minimum of 5mm and maximum of 8mm, rear bumpers
shouldn't be mounted direct to the chassis. If a grid bumper is used on the rear, it must
follow all rules of the front bumper. Bumpers are to have a minimum of 3 and maximum of 6
posts between the rails. Fixings are not included in height measurements.
6) Overall maximum width of the rolling chassis to be 161mm bumpers may exceed this by
3mm to allow for impact damage and distortion (178mm including body and
bumpers)
6a) Wheelbase of 205mm +/-5mm only.
6b) The wheelbase of the car to be the same on each side of the car. The front wishbones
should not be staggered, there is a 0.2mm tolerance allowed when measuring.
7) Materials used in the rolling chassis may only be steel, brass or aluminium. Special
materials (such as titanium or carbon) are not allowed. Brass and lead only may be used as
identifiable weights
8) Damper tubes are not allowed. Oil filled shocks and dampers are not allowed.
9) Rolling element (ball) bearings are allowed on the front and rear axles.
10) Min 25mm, max 26mm width of tires, wheels must be of standard offset, wheels must be
fitted the correct way round as intended. Max 60mm diameter no Min diameter of tyres,
but the tyre must cover the entire wheel edge to edge.Tyre additives are NOT allowed
11) Diffs are NOT permitted
12) Gearing is limited to a 32dp pitch for pinion and Spur gear.
13) Z drives and alloy pods are permitted. height adjustable rear pods are not permitted
14) Any 12th scale single bolt dog drive wheel to be used, Hex drive or gt12 3 bolt wheels
CAN NOT be used. Mounted onto a metallic axle only, no special Materiels like carbon fibre
etc are to be used.
15) Powered by 4cell brushed setup. cell layout is free and open for driver's choice.
Motors Kamtec K21 and Schumacher Core21.

16) Speed controller maximum RRP of £60 BUT must be commercially available. Electronic
speed controller or mechanical resistor type speedo controller permitted.

16a) Brushless cars to be powered by 1 cell lipo Speed controllers Orca Inca/Pace 95r/Pace 100r Motors 17.5t fixed timing core rc/toro/surpass/orca/hobbywing.
17) Minimum weight of 1100 grams
18) Additional holes may be drilled for the re-mounting of the body post and aerial mast
locations only.
19) Parts from other manufacturers may be used as long as they serve the same purpose
20) All added weight must be bolted to the chassis with a nut and bolt except under lipo/
Nimh battery weights. Under battery weights must be fixed to the chassis using double sided
servo tape or equivalent. Care must be taken so the under-battery weights cannot short out
on the battery, so we suggest covering any weight to insulate it.
21) 1300 chassis are to be readily available for anyone to buy from a reputable manufacturer
like kamtec, mardave, ark engineering (rat out), ginja rc etc. One off chassis will not be
permitted, the 1300 class is regarded as a basic entry level formula into the national series,
any chassis being used is to be able to be purchased by any driver with a 6 week lead time
from the order being placed to delivery.
22) Shell list
Toyota starlet standard version, not box/wide arch
Vauxhall nova standard version
Vauxhall nova stock saloon
Vauxhall corsa
Vauxhall tigra 1300 version not hot rod
Honda civic ek
Honda civic mk3
Honda crx

Renault Clio
Ford mk1 escort standard version
Ford mk2 escort standard version
Ford mk3 escort
Ford mk7 fiesta 
Talbot sunbeam

 

                         Mini stock construction rules 2025.

1) Body shells to be a representation of a full size classic Mini type car, the only exception to
be the Riley Elf and Wolseley Hornet body to be ABS or Lexan. Roof fins are now mandatory
with a minimum height of 15mm at its highest point. Mini-pickup shells aren’t allowed.
2) Chassis Must be Made from GRP (No Carbon Mix or Special Mix GRP) and have: - -
Maximum length including bumpers to be 292mm. - Overall maximum width of the rolling
chassis to be 161mm. Bumpers may exceed this by 3mm to allow impact damage and
distortion; this does not include the body shell - wheel base to be 175mm +/-2mm - Chassis
to be single piece & constructed in GRP only, measuring no more than 230 mm in length
and 100 mm in width. Standard rectangular chassis only. Servo saver cut outs are allowed
but must NOT exceed the servo saver.
3) No suspension whatsoever, including dampers, springs, shocks, "O" rings notching the
chassis or plates that allow any part of the front or rear axle assembly to move
independently
A. The rear pod or axle/motor carrier and front suspension must be bolted to the chassis, a
spacer may be used to achieve ride height but this must be solid in design and firmly fixed
not allowing any movement between the chassis and axle assembly, the rear pod or
axle/motor carrier must be secured to the chassis with a minimum of 4 bolts, the motor must
be secured by at least 2 fixings the design of the motor pod is free, Any holes drilled or cut
must be used or filled.
B. Front wishbones may be made of plastic moulded, cnc cut or 3D printed. GRP wishbones
are not permitted. Caster and camber settings are open. Trailing and inline hubs are allowed
made from plastic only. (alloy hubs are not allowed). Kingpins can be pin and e clip or
shouldered bolt, min diameter 3mm max 5mm. Thrust washers or bearings are allowed
between the wishbone and the steering hub.
4) Minimum chassis thickness to be 1.2mm across the chassis. Wheel base to be parallel on
each side of the car front wishbones not staggered
5) External plastic bumpers to be fitted front and rear. Front bumper to be a grid type and
have a minimum of 3 and a maximum of 6 uprights fitted.
6) Metal materials used in the rolling chassis may only be steel, brass or aluminium. Special
metals (such as titanium) are not allowed.
7) Rolling element (ball) bearings are allowed on the front and rear axles.
8) Min 25mm. Max 26mm width of tyres and Max 60mm diameter no Min diameter of tyres,
but the tyre must cover the wheel.
9) Only single bolt dog drive 12th scale wheels allowed. No gt12 type wheels allowed front or
rear (Schumacher wheels JM prefix only)
10) Diffs are not permitted
11) Z drives and alloy pods are allowed. Ride height adjustable pods aren’t allowed.
12) Powered by either a 17.5t brushless motor and a 1s lipo battery, esc must be in
BLINKY mode with a max £150rrp, or a 4 cell brushed esc and either a Kamtec K21 or Core
21
13) All lipo batteries are subject to a voltage test max of 4.2 volts, prior to any race at
committee's wishes. anyone who fails the test will be not permitted to race that heat, and
anybody who refuses to partake in a voltage test may also be removed from the heat/final
14) Gearing is open both 32dp and 48dp are allowed z drive
hubs are allowed
15) Tyre additives are NOT allowed.
16) Parts from other manufacturers may be used as long as they serve the same
purpose as the part they are replacing
17) Minimum ride height of 3mm including body shell 1mm for the spur gear
.
18) All added weight must be bolted to the chassis with a nut and bolt except under lipo
Weights these should be secured by tape or glue.
19) Floating style battery holders are permitted as long as the battery is securely fixed.
Battery position is open as long as it is securely fixed,

 

                   BANGER CONSTRUCTION RULES 2025

 

Chassis

• It must be as per the standard 3mm counter sunk Mardave alloy chassis available in various anodized colours, hot rod chassis with rear lip, or the 3mm Kamtec/Large It/Tic alloy chassis with the following limitations: - If left to the original kit length, the chassis must be used with a shell that is made to fit its size properly.  Countersunk chassis and screw set may be used.

• Limousine chassis must be the same thickness as the alloy V12 (maximum 3mm) & must have the correct body shell to fit, maximum length for a Limousine chassis with body shell is 2 ½ ft.

• Any Limousine entered must represent a full counterpart.

• No GRP or Carbon chassis are permitted.

• All holes must line up with a 1mm tolerance.

• Any sharp edges must be smoothed out on the chassis.

• There must be no additional strengthening of the chassis, by adding material along the length of it to prevent the chassis from bending.

• Rear extension plates are allowed, but should be no wider than the chassis, be no thicker than 3mm alloy or GRP and must be covered by the shell and must have a minimum of  1" (inch) or 25mm gap between the shell & mounting plate.

• Stepped chassis (benno)  maybe used but not in any micro meetings, if used at any time there must be a minimum gap of 1" (inch) or 25mm between the chassis & body shell.

• No front extensions allowed.

• A chassis will be used for scrutineering.

• Chassis and Top Plate maybe off-set a maximum of 5mm from the centre of the chassis.

 

Top Decks

• Original Mardave alley top plate; or GRP top plate maybe used, Kamtec or Large-IT ones are recommended.  Milsy and Fuller top plates are also permitted.

• Any top plate must not protrude any further forward than in line with the steering servo saver.

• The width of the top plate should not extend past the centre line of the wheels.

• Top plate must have a maximum 3mm thickness.

• No full length double decks.

 

Batteries

• Only 4 cell Sub C Ni Cads & ni-mh cells permitted.

• Max 5000 Mah for heats and finals and max 3700 Mah for DD.

• They must be covered in clear heat shrink or the manufacturers covering with identification clearly visible. Battery bars must be no wider than the battery.

• Only plastic or nylon battery retainers permitted no extra plates inside the car.

• Cells running down the centre of the chassis / top plate may have a 5mm off-set tolerance from the centre of the chassis plate.  All components must remain within the width of the chassis plate unless the battery is in the standard Kamtec / Large-IT position.

 

Speed Controllers

• Mardave/Large It/Tamiya/Kamtec mechanical & resistor type speed controllers only (K9 microswitch is acceptable).

• No Electronic Speedos (ESC).

• No additional material allowed on the top plate, with the purpose of it being to protect the manual speed controller. The top part of the K9 is permitted however.

• Speed Controllers maybe off-set a maximum of 5mm from the centre of the chassis.

 

Gears, Motor Pod & Axle

• 32dp pinion gears only. Pinions Minimum 12 Tooth, Maximum 18 Tooth.

• Only standard spur gears to be used - Mardave / Kamtec / Tic / Lee12, 46, 48, 49, & 50 tooth only.

• Gear sleeves/clips are allowed on the gear arms.

• Derlin gears, alloy drive hubs or Z Drives are not permitted.

• Standard Mardave / Kamtec /  TIC / Lee 12 axles can be used.

• Ball races may only be used on the back axle.

• Standard Plastic Mardave / Kamtec  / TIC  / Lee 12 motor pod only.

• A pivot ball must be used and the pod base must be fastened to it by the cup on the plate as originally intended. However the use of a small clip, the same width as the cup may be used to prevent it coming off and a bolt/screw can be fastened through the cup into the pivot ball.  The new Kamtec motor pod set is permitted.

• No GRP or alloy rear pods.

• Any new release Gear, motor pod or axle hop up be agreed on by the RCBWS committee before use.

 

Wishbones, Steering Arms & King Pins

• Steering arms can be standard or may be modified to the ball and link type.

• Wishbones are to be standard; either the basic injection moulded Mardave / Kamtec / TIC / Lee 12 ones and must be hollow. No alloy wishbones. The Mardave diamond wishbone is not permitted.

• All wishbone holes must remain in their original position.

• No wishbone protectors or any other strengthening of wishbones.

• Front springs must be fitted to all lengths of vehicles.

• Only standard, hardened and stainless Kingpins allowed.

• No pipe to be fitted to kingpins.

• No adjustable kingpins to be fitted.

• Strut braces are not permitted.

• Any new release wishbone, steering arm or king pin hop up be agreed on by the RCBWS committee before use.

 

Inner Wings

• Kamtec / Danza Salvage & Signs inner wing kits only.

• Front Wings must be cut to replicate their full size counterpart.

• A small ABS bumper may be added to the front of the wings for realism, by using 2 small screws/bolts (Granadas & Crowns only). These must be for decoration and not strengthening.

• Inner wings can be either body or chassis mounted and can be melted to fit inside the shell.

• If the wings are body mounted then you can use 4 bolts to fasten the wings to the shell.

• If the wings are chassis mounted then no more than four bolts to be used.

• No folding under or gluing of the wings.

• Any new release inner wing kits to be agreed on by the RCBWS committee before use.

 

Permitted Motors

• Mardave G1 & G2.

• Kamtec Satan 20T.

• Kamtec 21T.

• Core 21.

• Etronics 20T.

• Minimum 20T, any motors not listed are to be approved in advance by the RCBWS Committee.

• Tamiya Mabuchi 540 Silver Can with black end bell.

• Heat sinks can be fitted.

• Original label must remain intact and motor tabs remain untouched.

• Fans must remain intact for RCBWS Heats & finals, no part of the motor internals can be modified.

• Use of motor cleaning fluids and additives allowed.

• TAMPERING WITH MOTORS WILL NOT BE TOLERATED - Anyone seen or any evidence of tampering or anyone suspected of tampering, the driver will be asked to change the motor.  If found to be tampered with, the driver will lose all points scored and excluded.

 

Tyres & Wheels

• Must be foam tyres and commercially available.

• No tyre additives permitted.

• Any aftermarket wheel must be of the same diameter as per Mardave, Kamtec, Contact Wheels, or TIC Bruno Wheels.

• Ball raced front wheels are not permitted. 

• Alloy wheels are NOT PERMITTED.

• No cut down wheels that allows shells to be slammed.

• Wheels must be 26mm width.

 

Shells

• All shells to be cut to the cut lines.

• Wheel arches must be cut to the lines or lips marked not above or below unless running inner arches when the front arches can be cut higher.

• No flared arches on shells.

• Sills may be cut or folded to resemble a full scale counterpart.

• Windows must be completely removed as close to original car as possible.

• Front window must have at least ¾ of the plastic removed to allow a name visor.

• No window gussets.

• Roping and gluing of pillars is permitted.

• No unsightly, rude or offensive slogans or gestures on the shells.

• Shells must be in line with the agreed shell lists.

• When mounting the shell the arch must not come lower than the top of the wheel lip unless the shell has a low rear wheel arch (e.g. mk10 Jag, DS420), when the rear arch must not be lower than the top of the rear wheel nut.

• There must be a 3mm gap between the shell and the floor.

• Any shell with bumpers removed the shell must remain the same height as if they was still fitted, for example mk7/8/9 Jaguar bumpers maybe removed but the shell must remain the same height as if they was on there, in other words no slamming!.

• Shells used must be correct to the chassis, i.e. no SWB shells on LWB chassis, , no LWB on minster or XL chassis.

• No unpainted shell permitted for Championship finals.

• XXLWB Shells maybe held together by 0.5mm alloy (same as used in alloy bangers).

 

Body Mounts

• Cars to have 4 mounting points.

• These may be of any non-metallic material, not exceeding 10mm in width and must not protrude more than 10mm through the body shell.

• Mardave V10 & Kamtec B10 style mounts may be used. If you use two V10 or B10 style mounts, no other shell securing points, i.e. posts can be used,. Only 2 V10 or B10 mounts can be used to secure the shell to the chassis.

• If you are using V10 or B10 mounts at the front and on the top plate, you must remove any rear V10 & B10 mounts. 

• If you are using front and rear V10 or B10 mounts, you can keep the bottom part of the V10 or B10 on the top plate, provided it is not used to secure the shell.  (We recommend using front posts).

• If anyone loses their boot, they are permitted to use the bottom half of a V10 or B10 mount to protect the rear pod.

• If you use the V10, you can use all six mounting points and secure the shell using clips through all 6 lugs.

• You may use 4 M3 coach screws or M3 nuts, bolts and washers to secure the shell, rather than body clips.

• Body clips/M3 nuts can be cable tied at the ends and together to prevent them coming loose from the body mount. Tape must not be used to cover the cable ties.

• Shell strut. Only plastic/rubber/metal washers, slightly bigger than the post size but not exceeding 1" square to be allowed to raise the shell up off the posts.

• Body mounting for XXLWB (600mm chassis) you may use two body mounts per 200mm so six would be allowed.

• Cable ties must be trimmed back.

 

Roof Fin

• The roof fin must be fitted to the roof of the car and must not have sharp edges.

• It must be plastic and no larger than the standard Kamtec roof fin.

• It must have the driver's number clearly visible on both sides.

• It must not be mounted forward of the half way point on the roof.

• No mascots, dummies, or bolt on engines etc. on the outside of the body shell.

 

Shell Repairs

• You may use glue sticks, tape, cable ties, and plastic/solvent weld with joining plates in conjunction with nuts & bolts as to their full size counterparts for REPAIRS only.

• The above repair methods are allowed anywhere on the INSIDE of the body, except if using tape, whereby you can use tape on the outside, but can only overlap the crack/split/decimation by 1" either side of the damage.

• If using plastic for repairs;

•          1. Any size piece of plastic for the repair can be used, but it can only overlap the crack by 1" either side.

•          2. If you lose the front, rear or corner of the shell you can replace this, but it can only be attached with a 1" overlap of the original shell.

•           3. 1 layer of plastic repair only (no overlapping patches).

•           4. Cable ties only to repair broken patches after that.

• Neither armouring nor the use of mastic allowed.

• No double skinned body shells.

• Each club to specify what repair methods can be used (i.e.. Pipe weld is not permitted at Fast Food Raceway, Devon).  

• NO REPAIRING OF SHELLS BEFORE THE FIRST RACE.

 

Ride Height

• Scrutineers will have a 3mm clearance plate, which your vehicle must run freely over the top of, including the shell. Should it scrape in any way your vehicle will fail scrutineering.

• This is in the interest of protecting the race carpet from damage.

 

Ballast and Weights

• Adding extra corner weights or ballast is not permitted.

 

Bumpers

• No internal or external bumpers permitted.

 

Servo Savers

• Any type of servo saver or bell crank style servo saver is permitted.

• A small piece of ABS is allowed behind the servo saver as a servo saver protector.

• Servo Saver protectors are permitted.

 

Roof Grades

• The only roof grades to be used on shells at BWS events, roof grade meetings and feature events, are the recognised ones which have been won at BWS clubs.

 

Stretched Limousines

• Limousine chassis must be the same thickness alloy as the alloy V12 (maximum 3mm) & must have the correct body shell to fit, maximum length for a Limousine chassis with body shell is 2 ½ ft.

• Limousines / scratch builds, re-melts must be of a genuine full size counterpart, that has been raced.

• There must be no struts or braces along the length of the chassis.

• Any top plate must not protrude any further forward than in-line with the steering servo saver.

• The width of the top plate should not extend past the centre line of the wheels.

• The top plate must have a maximum 3mm thickness and be made of grp only.

• The top plate must be fixed to the chassis in a similar style to the Large-IT / Kamtec top deck.

• Stretched Limousine shells must have the front and back sections of an existing shell and represent a full size stretched limo.

• The stretched sections must be made of 2mm abs or 0.5mm aluminium, and no other material.

• Stretched Limousine shells must use a 2mm thick abs plate to join each of the sections.

• The joining plate can stretch no more than 1 inch either side of the join, on both the sides and the roof.

• The maximum depth of the plate on the sides should be equivalent to the depth of the original shell.

• The maximum width of the plate for the roof join must be equivalent to the width of the shell.

• The joining plates must be on the inside of the shell.

• To fix the joining plates to the shell you can use EITHER a maximum of 4 2cm, M3 style bolts or rivets, one in each corner, or you can use glue. You cannot use both.

• You can use filler on the outside of the shell to disguise the joining crease, but it must be skimmed back flush with the surface of the shell.

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DD RULES

• After 15 or 20 minutes, any car stuck on it's side or roof, or in a pile-up, that is unable to right itself after 10 seconds of time will be counted as out.

• Only 3700 Mah cells permitted.