|
ARTICLES
|
|
CAPACITY
INCREASES WILL BE CALCULATED AS FOLLOWS:
|
|
SINGLE
POWER ADDERS
|
| Single
Turbocharging only: |
50%
|
| Twin
Turbocharging only: |
60%
|
| Single
Supercharger only: Standard
Roots: |
40%
|
|
Single Supercharger only: Roots
Hi-Helix: |
50%
|
|
Nitrous Oxide only: |
50%
|
|
TWO
POWER ADDERS
|
| Nitrous
Oxide with single Turbocharging: |
90%
|
| Nitrous
Oxide with twin Turbocharging: |
100%
|
| Nitrous
Oxide with single standard Roots-Type Supercharging: |
80%
|
|
Nitrous
Oxide with single Hi-Helix Roots-type Supercharging:
|
90%
|
|
OTHER
|
| In
conjunction with the above (if applicable), the following
capacity increases must also be calculated: |
| Hemispherical
and/or Pent Roof Heads |
20%
|
| 4
Valves per Cylinder: |
20%
|
| NOTES |
| 1.
Rotary engines will be classified as 1.8 x the swept volume. |
| 2.
All the capacity increases must be compounded before calculated. |
| 3.
All weights are applicable after a vehicle has completed
a run and must include driver. |
| 4.
Note: One cubic inch measures 16.3872 cubic centimetres. |
| 5.
MSA is currently evaluating cars/vehicles and performance
and will create certain minimum weight requirements for
specific engine, car and drivetrain combinations to compensate
for increasing performance and maintaining of safety standards.
(MSA circular to follow). |
|
|
PS
1 : BALLAST
|
|
A
|
Ballast
is permitted but must be securely mounted. (Refer to the Safety
Regulations). |
|
PS
2 : BATTERY (Refer to the Safety Regulations)
|
| PS
3 : BODY / CHASSIS |
| A |
3.1
|
The
complete original body must be retained except that the bonnet,
boot-lid and fenders may be replaced with components of identical
size and shape made from fibreglass or any similar non-flammable
lightweight material. |
| A |
3.2
|
Moderately
customised vehicles may compete in this class but bodies may not
be chopped, channelled, sectioned or otherwise altered in height,
width or contour. Convertibles, panel vans, bakkies, cars and readily
available, locally produced replicas, (i.e. Cobras), may compete
in this class providing all requirements are met. All vehicles must
have at least two fully operative doors with door handles that permit
exit and / or entrance from both sides. |
| A |
3.3
|
Stock
automobile chassis for car body used must be retained, except where
rear wheel "tubs" are installed, in which case adequate
chassis reinforcing is required. Front to rear frame strengthening
members may be added to any unibody, constructed vehicle to connect
front and rear sub-frames. If material passes through the floor,
the floor must be welded to the member leaving no holes. Floor boards/panels
may be removed, cut or altered. (Refer floorboards). |
| PS
4 : BRAKES |
| A |
All
vehicles in this category must be equipped with four-wheel hydraulic
brakes operated by a foot-mounted pedal in the conventional manner.
A back-up brake system is mandatory on all vehicles, i.e. handbrake
and/or parachute |
| PS
5 : BUMPERS |
| A |
Bumpers
are mandatory. Any lightweight composite material can be used. |
| PS
6: COOLING SYSTEM |
| A |
A
stock-type water pump is required but may be electrically driven.
Catch tank/overflow must be securely fitted, completely leak proof,
sealed and isolated from the driver. Radiator may be moved forward
to permit the installation of longer engine. The use of Anti Freeze
is prohibited. |
| PS
7: DIFFERENTIALS |
| A |
Any
rear axle assembly and any ratio may be used. Narrowed rear-ends
are acceptable and locked rear-ends are permitted. (Refer to the
Safety Regulations regarding "axle retention") Fabricated
rear linkage system is permitted. Front wheel drive cars (as per
OEM) may not be converted to rear wheel drive cars and vice versa. |
| PS
8 : DRIVELINE |
| A |
Any
driveline with drive shaft loop is allowed. (Refer to the Safety
Regulations) |
| PS
9 : DRIVE SHAFT LOOP |
| A |
360°
front drive shaft loop is highly recommended on all cars running
under 13.0 seconds and/or over 160kph. (Refer MSA Drag Racing Rules,
Regulations and Specifications). |
| PS10
: DRIVER AND SAFETY |
| A |
For
all requirements regarding driver and safety regulations, see the
appropriate "General and Safety Regulation" chapters.
A full fire retardant suit is mandatory, including gloves, racing
shoes and balaclava. (Refer to Safety Regulations). |
| PS11
: ELECTRICAL |
| A |
Each
vehicle in this section must have a full working wiring harness.
All lights and charging systems must be fully operational. Starter
motor must be retained. |
| PS12
: ENGINE |
| A |
12.1
|
Only
one automotive type engine is allowed. |
| A |
12.2
|
Front
mounted engine position must be such that the forward most spark
plug does not fall behind the front spindle unless supplied as standard
from the manufacturer. Engine swaps are permitted and firewall/transmission
tunnel/floor pan may be modified or altered to suit alternative
driveline/engine providing the forward most spark plug does not
fall behind the front spindle. (Refer to Firewall section). Any
modification is permitted to installed engine and aftermarket cylinder
heads are allowed. |
| PS13
: ENGINE RELOCATION |
| A |
Relocation
of engine is not permitted, i.e. front engine cars may not be converted
to rear engine cars and vice versa. |
| PS14
: EXHAUST |
| A |
Any
extractor or exhaust system may be used, providing it adheres to
safety regulations. |
| PS15
: FIRE EXTINGUISHERS : Mandatory - (Refer to the Safety Regulations) |
| PS16
: FIREWALL |
| A |
Original
firewalls must be retained but may be modified or altered to suit
alternative engine/drivelines, but modifications must be of a permanent
nature, i.e. welded back into position. All firewalls must be sealed.
(Refer to the Safety Regulations). |
| PS17
: FLOORBOARDS |
| A |
17.1
|
Original
floorboards must be retained but may be modified or altered to suit
alternative drivelines, but modifications must be of a permanent
nature, i.e. welded back into position and/or replacement panel
of similar material and thickness as per the original floorboard. |
| A |
17.2
|
The
above ruling also applies to vehicles with loading bays, i.e bakkies,
panel vans and LDV's. |
| PS18
: FLYWHEELS (Refer to the Safety Regulations) |
| PS19
: FUEL |
| A |
Any
fuel complying with general regulations. Racing fuel and Methanol
is allowed. If Methanol is used, a Methanol indicator must be visible.
The use of Nitromethane as a fuel or separate injection and/or additive
is strictly prohibited. (Refer to Safety Regulations). |
| PS20
: FUEL SYSTEMS |
| A |
20.1
|
The
original fuel tank or an SFI approved fuel cell or a fabricated
fuel tank of no less than 25 litres can be used but must be isolated
from the driver compartment. |
| A |
20.2
|
All
fuel tanks must be positioned either in front or behind the driver. |
| A |
20.3
|
Only
SFI approved fuel cells will be allowed to be located in the driver
compartment, if the vehicle is of such a nature that the tank cannot
be isolated from the driver completely, i.e. hatch-backs, etc, in
which case, full protective clothing is mandatory (Refer to the
Safety Regulations). |
| A |
20.4
|
No
pressurised fuel lines are allowed in the driver compartment including
mechanical fuel pressure gauges. (Refer to the Safety Regulations). |
| A |
20.5
|
When
used, fuel cells must have a metal box protecting the part of the
fuel cell that is outside of body lines or trunk/boot floor excluding
hose connection area in rear. |
| A |
20.6
|
Non-metallic
fuel cells or tanks must be grounded to frame. If any non-OEM fuel
tank is used, refer to the Construction and Safety regulations. |
| A |
20.7
|
Cool
cans are permitted providing they are installed a minimum of 150mm
forward of flywheel/bell housing and firewall area. |
| A |
20.8
|
For
fuel lines, (Refer to the Safety Regulations). |
| A |
20.9
|
Re
positioning of fuel tanks are permitted. (Refer to the Safety Regulations) |
| PS21
: HOOD / BONNET SCOOP |
| A |
Permitted
with a maximum height of 250mm as measured from the base of the
scoop. |
| PS22
: INSTRUMENTS |
| A |
Dashboard
and supplementary gauges may be installed at owner's discretion. |
| PS23
: INTERIOR |
| A |
Vehicle
must be fitted with door panels and/or fabricated door panels are
permitted. A full dashboard is mandatory, i.e. factory or aftermarket/fabricated. |
| PS24
: PARACHUTE - Permitted - (Refer to the Safety Regulations) |
| PS25
: ROLL BARS - Permitted - (Refer to the Safety Regulations) |
| PS26
: SAFETY HARNESS - Permitted - (Refer to the Safety Regulations) |
| PS27
: SEATS - DRIVER'S SEAT |
| A |
May
be relocated forward or backward not more than 100mm from stock
location. A minimum of one front seats and/or one bench seat (bakkies)
as a minimum is allowed. Removal of rear seats is permitted. |
| PS28
: SUSPENSION FRONT |
| A |
Full
automotive-type front suspension is required. No solid axles allowed.
Each point of suspension must be equipped with at least one effective
shock absorber with a minimum of 25mm movement in each direction.
Excessive cutting or machining of suspension parts is prohibited.
Raising or lowering permitted but attention must be taken of minimum
ground clearance requirements. A minimum of one hydraulic or pneumatic
shock absorber is required per wheel and rear suspension must be
operative automobile type. (Refer to the Safety Regulations). |
| PS29
: SUSPENSION REAR |
| A |
Four-link
suspension/Ladder Bar etc, is permitted. Back halving is also allowed.
(Refer to the Safety Regulations.) |
| PS30
: STEERING |
| A |
Properly
fitted rack and pinion steering may be used in lieu of standard
steering. |
| PS31
: TRACTION BARS - Permitted (Refer to the Safety Regulations) |
| PS32
: TRANSMISSION |
| A |
Manual
transmissions may be either production or aftermarket assembled
but must require the use of a clutch to shift gears. Full automatic
and clutched automatic transmissions are acceptable. (Refer to the
Safety Regulations). |
| PS33
: WHEELS AND TYRES |
| A |
Any
size slicks or street tyres are permitted providing they do not
protrude more than 50mm outside the fender flare measured at the
top of the slick. Any wheels are permitted. No re-treaded, re-moulded
or re-grooved tyres will be permitted. (Refer to the Safety Regulations). |
| PS34
: WHEEL BASE |
| A |
The
wheelbase must not be altered more than 5% from standard measurement.
All vehicles in these classes may not have a wheelbase variance
from left to right of more than 25mm measured from centre of front
wheel to centre of rear wheel. |
| PS35
: WHEEL TUBS |
| A |
Wheel
tubs may be enlarged or replaced to allow use of larger wheels and
tyres. If new tubs are constructed, they shall completely cover
the inside and top 180° of the tyre, and completely isolate
the driver's compartment. While fenders may be cut to accommodate
tyres, all new edges must be adequately beaded. |
| PS36
: WHEELIE BARS - Permitted - (Refer to the Safety Regulations) |
| PS37
: WINDSCREENS AND WINDOWS |
| A |
37.1 |
A
windscreen must be fitted on all vehicles. All windscreens must
be transparent and in good condition. Other than factory tint, all
front screens must be clear. |
| A |
37.2 |
Plexiglas,
Lexan, Perspex or similar lightweight material may be used provided
it is of sufficient thickness and not flex at speed and it complies
with the above conditions. The placing of advertising or other decals
on either the front windscreen or front side windows must be restricted
to a maximum of the top or bottom 10% of the area so as not to obstruct
the visual passage of the driver. |
