GTi
Challenge Racing
2010
Rules – Draft v1.02
Regulations &
Specifications for the 2010
Committee Chairman Lizelle
Van Rensburg
Vice Chairmen Andries
Van Eden
Treasurer Siggi Zimmermann
Drivers Reps Peet vd
Walt
Chief Technical Officer Dave Ingle
Secretary Elke van Heerden
Class Reps:
Class A TBA
Class B TBA
Class C TBA
Technical
Sub-Committee
Chief Technical Officer Dave
Ingle
Technical Officer Giovanni
Ferroli
Technical Officer TBA
Technical Consultant TBA
General:
It is the driver’s
responsibility to ensure that his/her car conforms to all the rules and
regulations contained herein. The GTi Challenge Committee, including the
Technical Sub-Committee, is not responsible for ensuring
the legality of any car regardless of any inspections or checks that they may
perform.
Only modifications
and allowances detailed herein are permitted. All components not referred
to or not specifically mentioned in these Regulations will remain completely
standard to factory specifications. In other words – if it does not
clearly say that you can do it – assume that you cannot!! Ignorance of the
regulations will not be accepted as an excuse. If there is any
uncertainty as to the legality of the modification, it is the responsibility of
the competitor to seek approval in writing from the GTi Challenge
Committee BEFORE the modification is done. If a competitor’s car has
increased or decreased in power, it is his/her responsibility to hand a new
dyno sheet to the Challenge Committee before the next race.
No tyres, stickers,
race number or merchandise will be given to a driver unless the money has been
paid.
NB: Competitors are instructed to note
as per your 2010
All other
regulations as per the 2010
All novice drivers,
to undergo driver’s instruction, before being allowed to race.
The Committee’s
decision is final as to whether or not the driver is permitted to race.
1. Definition – GTi Challenge, A class of racing that
complies with the following regulations.
2. Aim – To declare a GTi Challenge Champion
3. Controllers – GTi Challenge Committee, WPMC
4. Qualifications
5. Championship Scoring
·
Should a class have fewer
than 6 starters, points will be awarded on a sliding scale ie five starters
5-4-3-2-1; four starters 4-3-2-1; three starters 3-2-1 etc.
Procedures
(i)
Official
entry forms to be submitted to WPMC by no later than close of business two
weeks before race day. Any entry accepted after this date may be defined as a
“Late Entry”.
(ii) A “starter” is defined as a
competitor who has participated in the official qualifying session listed in
the regulations for the event or in one of the two heats, with one officially
recorded timed lap. (Cars excluded from the days racing, as per
(iii)
Should the race be
red flagged:
-Refer SSR 43 (i) for race stopped after less than 2 laps
-Refer SSR 43 (ii) for more than 2 laps but less than 75% race distance
-Refer SSR 43 (iii) for more than 75% race distance completed
-Refer SSR 43 (iv) for no restart after Red flag
(iv) There may be a
qualifying session of at least 10-15 mins, in order to determine your starting
position for the two races. You will need to complete at least 2 official
timed laps. Your fastest time will determine your starting grid position
for Race 1, with your second fastest time determining your grid position for
Race 2.
(v) Cars that complete no
laps during qualifying for any reason shall start both heats behind the last
qualifying car in the same class sorted by championship order, number of races
completed or car number, whichever is first applicable.
Cars that complete
only 1 qualifying lap shall start the second heat behind the last qualifying
car in the same class sorted by championship order, number of races completed
or car number, whichever is first applicable.
(vi) All cars have to enter the pit road via the weigh bridge after any
officially timed session. Failure to do so will result in driver being excluded
from that session. Any exclusion from qualifying, for any reason, shall be the
same as if the car completed no timed laps. Rule v) to apply.
(vii) If for whatever reason,
the Stewards of the Meeting/Clerk Of The Course (
(viii) Drivers must complete at least 75% of the full race distance in order to
qualify for position points. Both races will count for points, with
Trophies being awarded for Overall positions for the two races combined.
(ix) There will be approx 10
Rounds consisting of 2 heats each subject to the official calendar published by
WPMC. Away races will count for points as well.
(x) Class points may not be transferred from one class to another.
The Champion will be the competitor with the highest number of points scored
overall at the end of the racing season, irrespective of class.
(xi) Should 2 or more drivers end on the same
points – Refer
6. Bonus Points: Bonus points will
be awarded for the following:
(i) Race Appearance – 1 point per race meeting
(Driver must complete at least 1 officially timed lap)
(ii) Fastest
lap – 1 point per heat, per class
·
Subject
to there being no official qualifying session
·
There
must be 3 or more starters in that class
(iii) Pole Position – 1 point per race
·
Subject
to there being an official qualifying session
·
(Driver must qualify
at the front of his/her class)
·
There
must be 3 or more drivers qualifying in that class
(iv) Lap Record – 1 point (Driver breaks the record for
the fastest lap in his/her class, during a heat)
** Lap Records will be reset:
(v) GTi Challenge Meetings – 1 point per meeting.
All
drivers who are in possession of a GTi Challenge race number and are paid up
members of the GTi Club are deemed to be competing in the series and are
required to attend all
meetings called by the GTi Challenge Committee (whether they competed in the
last race or not). A driver may excuse himself/herself from a maximum of 2
meetings (and still earn the points for those meetings) per year. Apologies may
only be given to a committee member before the start of the meeting. Out of
town drivers (or an allocated representative) must attend at least 4 meetings
during a year.
7. Penalty Points: Points will be deducted for the following:
A. Classes:
There will be 3 points scoring classes:
CLASS A: This section will be split into 3 sub
classes, for the sake of power to weight calculations:
CLASS B: Modified 1800 8v – to a max of 115kw (up to
200nm)
CLASS C: Modified 1800 8v – to a max of 95kw (up to
180nm)
Non-points scoring classes:
CLASS P: All current spec VW Cup / Polo
Cup cars, running as per the current Polo Cup specifications.
Invitational drivers
will be allowed to compete at the discretion of the GTi Challenge Committee
(non
scoring).
B. Eligibility of Cars:
(i) Cars and drivers will register with the GTi Club of SA and are subject
to pre-race inspection
before race day, to determine its class.
(ii) No car may race without carrying the full set of sponsor’s decals.
Stickers that are supplied by the committee must be ordered at least 1 week
before the race day. Stickers ordered after that date will be charged at double
the normal rate.
(iii) Cars entering by invite in Classes A/B/C/P, do not qualify for points,
or prize monies, but Trophies will be awarded on National invitation.
Traveling monies for visiting drivers, or for away races, will be awarded at
the discretion of the GTi Challenge Committee.
(iv) Cars not meeting the safety
standards judged by the GTi Challenge Technical Committee will not be
allowed to race.
(v) Cars must be run on the official Dyno before being allowed to race in
their Class. The car’s power must be the same or less than the maximum kilowatts
for that class or class division as per Rule A.
(vi) Cars found to be
underweight after any officially timed session will be excluded from the
results of that session.
(vii) The GTi Challenge Committee reserves the right to request that any
car at random be inspected at any time.
(viii) No spare or T cars allowed.
C.
Driver Conduct:
Drivers will abide by
It is hereby confirmed that the Clerk of the
Course for GTi Challenge and (or) Challenge Committee is empowered to make use
of yellow and red cards in connection with driver discipline and
conduct, subject to the following:
·
A yellow card shall have the effect of placing a
competitor's driving conduct 'under observation' for the following four (4)
heats (excluding the race day when card was issued), forming part of the
championship. Penalty points as per
rule 7 will apply
·
A competitor racing 'under yellow' shall be required
to prominently display a supplied yellow decal on both rear windows of his/her
race car at all times during the affected events.
· If a competitor is found guilty of an offence while 'under yellow',
he/she may, following a hearing, be issued with a red card.
· The effect of a red card is to bar a competitor from taking part in the
next race meeting forming part of the championship.
· In the event of the
· 'Card decisions' need not be made at an event. The
·
Where a 'card decision' is made on the day of an
event, the affected competitor shall NOT have the right of protest to the
Stewards of the Meeting (and the right of subsequent appeal).
·
Where a 'card decision' is made between events, the
affected competitor shall NOT have the right of protest to the Stewards of the Meeting (and
the right of subsequent appeal).
·
The decision of the
·
Refer SSR’s 46 to 66 (where applicable)
(i) Bumping and (or) pushing
of other vehicles on the circuit is not allowed and any drivers found doing
this will be penalized by the
(ii) Any competitor that
disadvantages another competitor by bumping said competitors vehicle, even
unintentionally, which results in the loss of place(s) during the race will, at
the discretion of the
(iii) The vehicle ahead of any
other vehicle in any “train” of two or more vehicles on the circuit may only
change direction once in a straight-line from the exit of one corner up to and
including the entrance to the next corner.
(iv) When attempting an
overtaking maneuver coming into a turn, at the end of the braking area, the
front bumper of the overtaking vehicle must be past the “B” pillar of the
vehicle ahead before entry to the turn.
- If this is not the
case then the overtaking vehicle must back of and allow the vehicle ahead to
take the racing line through the corner.
- If the bumper of
the overtaking vehicle is past the “B” pillar of the vehicle ahead, the
lead vehicle must take a line so as to allow both vehicles to successfully
negotiate the corner and exit.
· Drivers who are black flagged
during a race, for any reason will receive an automatic Yellow Card. Refer to
rule 7.
D. Sponsors Decals:
Refer to
· Top of windscreen
· Top of rear window
· Front number plate area
· Rear number plate area
· Front right and front left doors
· Any other area as decided by the committee
from time to time
· All series sponsor decals remain the property of the GTi
Challenge.
· Numbers are for driver’s account.
· The first set of series sponsor decals are for sponsors
& GTi Challenge accounts. Decals are not to be tampered with.
· Replacements are for driver’s account.
· Failure to comply with this regulation will result in the loss of points
for the meetings in which the infringement occurred.
E. Engines General:
(a) On board data collection systems and
sensors are not permitted. Only timing equipment is allowed.
(b) Oil Coolers and Spark Plugs are Free
(c) The Breather system must discharge into a transparent catch tank or catch tank with an oil level indicator
of 2 litre minimum capacity and must be empty at the start of practice and
heat.
(d) Sumps may be altered but remain wet sump.
(e) Sump plugs, oil filters, radiator filler cap, oil filler cap, gearbox
filler / plug must all be wire-locked.
(f) The position of the radiator may not be changed, but larger or smaller
VW radiators may be fitted. This is to be approved by the technical committee. No artificial cooling of radiators will be
allowed e.g. water spraying etc.
(g) Only standard VW Fuel tanks allowed NO Fuel cells.
(h) Alternators must be operative at all times, but bigger pulleys
are allowed.
(i) Batteries to remain in standard mounting position in engine bay. “hold down” clamp bracket to be fitted to
battery.
(j) Engine mounting points must remain in standard position. All
classes may replace std material with Polyurethane or similar material.
F. Exhaust Systems:
Must comply with
G. Cylinder Blocks:
Only VW
mass-produced blocks available through recognized commercial outlets are
permitted.
H. Induction Systems:
Additional air pipes
may be used to supply the engine air intake with cool air. However, NO
artificial cooling of induction systems / intake manifolds, such as the use of
dry ice, is allowed.
Any VW fuel rail and
Injector may be used. The Fuel rail may be modified to accommodate an
adjustable fuel regulator.
CLASS A: 45 Side Draughts, Throttle Bodies or VW
Fuel Injection.
Slide Throttle Bodies are not allowed.
CLASS B: VW fuel injection or
carburetor. Only standard throttle bodies allowed for both MP9 & K-jet
models. Inlet manifolds may be matched up to 80mm into the port of the
manifold.
Carburetors allowed
are Keihin, 2B2, 36DCD or 40mm Single or
twin Side Draft (Choke Size – 34mm).
CLASS C: VW fuel injection or
carburetor. Only standard throttle bodies allowed for both MP9 & K-jet
models. Inlet manifolds to remain standard.
Carburetors allowed are Keihin, 2B2 or 36DCD.
I.
Management Systems:
CLASS A,B&C: MP9 control box with any locally manufactured piggy back or the following
stand alone South African made management systems may be used: Gotech Mfi, Gotech
Pro, Dictator Standard, Dictator 60-2, Dictator wasted spark. No multiple map
management systems allowed (e.g. Uni-Q)
J.
Pistons and Rings:
CLASS A: Pistons and bores are free.
CLASS B&C: Only GTi
Challenge Technical Committee approved standard replacement pistons may be used
– 1,5mm Max oversize is allowed.
Pistons may not be modified
in any way except to remove metal below the lowest point of the gudgeon pin
position for balancing purposes. No machining marks are allowed on
the piston tops. At least one piston must remain unmodified.
K.
All Classes: Pistons heights free & head gaskets
free.
L.
Connecting Rods:
CLASS A: Free.
CLASS B/C: Standard unmodified VW. One small-end and one big-end must remain
unmodified. May not be lightened but may be balanced.
M. Crankshaft:
All
Classes: Only VW mass-produced crankshafts available through
recognized commercial outlets are permitted. May be balanced and reground. No
knife edging or lightening of the crankshaft is allowed except for drilling and grinding of main webs for balancing
purposes.
CLASS A: Standard 2.0L crank – max stroke 92.8mm
CLASS B/C: Standard 1.8/1.6L crank - max stroke 86.4mm
N. Flywheel and Clutch:
CLASS A: VW, Competition or sintered
(button) clutches may be used. Flywheel may be lightened & balanced.
Only standard VW production pressure plate may be used, and Strengthening of
Diaphragm permitted
CLASS B/C: Standard replacement clutch kits only. Flywheel may be lightened
& balanced.
** All classes may use standard 16v pressure plates
O. Cylinder Heads:
Only VW
mass-produced cylinder heads available through recognized commercial outlets
are permitted. Vernier Gears are allowed in all classes. Competition valve
springs only allowed in Classes A&B.
CLASS A: Free – All VW 8v, 16v or 20v.
CLASS B: Only 8v hydraulic heads allowed.
Cylinder heads can be modified, ported
and run larger valves.
Minimum Cylinder
Head height may not be less than 132mm. MP9 minimum head height is 131mm.
Only standard VW cam followers may be used.
CLASS C: Only 8v hydraulic heads allowed.
Cylinder head ports
must remain standard as per factory spec, however 3 –angle valve seats may be
cut.
Only standard VW cam followers may be used.
P. Camshafts:
CLASS A: Free
CLASS B/C: Maximum 288 degree hydraulic cam allowed (max lift -
11.7mm).
Q. Compression Ratios:
CLASS A/B/C: Free
R. Gearbox and Diffs:
· Only VW
mass-produced casings available through recognised commercial outlets are
permitted.
· Only standard VW production
gears allowed.
· Strengthened after market 5th gears of “091”
ratio allowed which may only be purchased from GTi Challenge Committee
· No Limited Slip
Differentials.
· Short shift gear linkage
allowed.
CLASS A: Maximum 4.2 diff ratio allowed.
CLASS B&C: Maximum 3.94
diff ratio allowed.
S. Suspension:
(a) Top shock turrets
must remain in standard position.
(b) Track width, ground
clearance and spoiler minimum heights as per specification sheet.
(c) Standard steering
rack and standard mounting positions only.
(d) Spacers may not be
fitted between ball joints.
(e) Polyurethane bushes
permitted for all classes.
(f) Pick-up points on
body / chassis may not be changed or moved.
(g) Shocks / uprights
may be slotted to achieve camber settings only.
(h) Ball joints and
their mountings may not be slotted.
(i) Top and bottom stress bars are allowed in all classes.
(j) Steering rack
mounting on Golf/Jetta MK1 may be reinforced.
(k) Only
locally available and serviceable shocks may be used (see below).
(l) Struts and uprights and hubs not interchangeable between different
models - i.e. Mk1 with Mk1, Mk2 with Mk2, etc.
(m) Rear axel not
interchangeable between different models.
(n) Rear axle maybe
stiffened.
CLASS A: Shocks, shock mountings & springs are free - ride Heights may be
adjustable.
Caster plates allowed - max offset 40mm.
Standard lower control arm & ball joints; mounting positions to
remain unchanged.
CLASS B: Strut Casings may be shortened.
Only standard lower control arm and ball joints are allowed.
Coil over suspension allowed but non adjustable for compression and
rebound.
CLASS C: Strut Casings may be shortened. Springs are
free. Standard spring seats
to remain in the standard position of a factory style VW shock. Coil over
springs allowed with appropriate non-adjustable adaptors to ensure proper fit.
Spring seat heights:
Front suspension leg / shock absorber: From the top of
the mounting ears to the bottom of the spring cup – minimum 153mm.
Rear
suspension leg / shock absorber: From the centre of the bottom mounting bolt to
the bottom inside of the spring cup – minimum 178mm.
T. Brakes:
Only VW
mass-produced brake calipers available through recognized commercial outlets
are permitted. Imported/other after
market brake discs allowed (powerbrake, ferodo ds etc.)
Adjustable brake balances allowed, but may
not be adjustable inside the car while in motion. Only GTi Challenge Committee
approved brake pads are allowed.
CLASS A: Maximum
diameter - 288mm.
Booster
may be removed. Master Cylinder's free but must remain VW product. Standard VW
production rear disks & calipers allowed.
CLASS B: Maximum
diameter - 256mm.
Larger volume VW Production Master Cylinder may be
fitted.
Rear brakes must remain standard as per model.
CLASS C: Maximum diameter - 239mm.
Master Cylinder to remain as per factory
spec.
U. Bodywork and General:
(a) Only locally
produced body shells (2/4 door) will be allowed.
(b) Only VW spoilers and aerodynamic devices available for road use may be
used (can not be interchanged between models, i.e. Mk1 with Mk1 or Mk2 with
Mk2.).
(c) Commercially available air scoops allowed, brake cooling ducts
may be fitted, but must not protrude beyond the silhouette of the car.
(d) The width of the original body shell may not be altered/increased in any
way and the top of the tyre may not protrude outside the body perimeter.
(e) You may not
cut the rear bumper and apron, wheel well to remain standard (see j below)
(f) Chassis may be seam welded. Inner fender lips may be rolled or removed.
Outside lip to remain standard as per factory spec (no flare).
(g) Outer headlights
must remain in working order, but the inner lights may be removed for
cooling.
(h) Spot light holes
must be covered by mesh
(i) On Mk1 (2 Door) models, rear passenger windows, may be replaced with
Perspex/lexen should glass not be available.
(j) Mk1/2/3/4/ 5 & Polo 1/2 may
remove rear windows and hatch window and replace with Perspex/Lexen ONLY if it can be demonstrated to the satisfaction of
the technical committee that the weight limit cannot be achieved. such approval
must be obtained in writing before replacement.
(k) Top valance at wiper
motor may be removed for fitting of side drafts.
(l) Material may be removed from interiors of Golf/Jetta MK1/2/3/4/5 and
Polo 1/2, only if it can be
demonstrated to the satisfaction of the technical committee that the weight
limit cannot be achieved. such approval must be obtained in writing before
removal. drivers door to remain standard including working window winder
mechanism; only door panel may be removed.
(m) Racing seats and
race steering wheels may be fitted.
(n) Racing Harness is
Compulsory.
(o) Roll cages in compliance with
(p) Driver’s side-impact
bar compulsory!!
(q) Dashboard must remain standard apart from localized cutting for roll
cages. Any form of instrument cluster may be used and additional gauges may be
fitted.
(r) Front
Wipers and motor compulsory and in working order.
(s) Bonnet clips & cut-off switches must be
fitted (as per white book). Driver’s side window net recommended but not compulsory.
(t) No towing brackets to protrude beyond the
front bumper.
** All weight
reductions or material replacements to be approved in writing by the GTi
Challenge Committee.
V. Wheels and Tyres:
All Classes: No Chrome plated or
split rims allowed. Wheels to a max of 15” x 7” only. Standard wheel bolts may
be replaced by studs. Wheel spacers are permitted but must have location spigots to match wheels being used.
All Classes: Dunlop D01J -
195/55R15 “S” or D01J - 195/50R15 “S” or DZ02G 195/55R15 or DZ03G 195/55R15 compound
only permitted.
Only 10 new tyres
per year will be permitted.
W. Fuel:
As per
X. Specification Sheet
(A) – Heights/Widths
Ground Clearance: 135mm
minimum from the center of the bolt on the front inner lower control arm
(standard mounting point). Spoiler minimum height 85mm.
(With driver in the car)
Track Width:
|
Model |
Front (mm) |
Rear (mm) |
|
Golf / Jetta Mk1 |
1690 |
1620 |
|
Golf / Jetta Mk2 |
1740 |
1680 |
|
Golf / Jetta Mk3 |
TBA |
TBA |
|
Polo 1 Classic |
1680 |
1630 |
|
Polo 2 Hatch |
1680 |
1630 |
The measurement will
be taken between the two tyres, from the outer edge of the wheel rim, on the
vertical point closest to the ground.
(B) – Power to weight
CLASS A: This class
will run on 3 weight divisions, to get an ideal power to weight figure of
around 138.
·
A3: Min 910kg: up
to a max of 125kw and up to a max of 200nm
·
A2: Min 980kg: from126kw to a max of 135kw
and up to a max of 215nm
·
A1: Min 1050kg: from
136kw to max 145kw and up to max 230nm
CLASS B: Min 950kg: up to a max of 115kw and up
to 200nm
CLASS C: Min 920kg: up to a max of 95kw and up to 180nm
(b.1) The above
weights are for Driver and Car combined.
(b.2) Cars will be
weighed after qualifying and after both heats.
(b.3) Additional
weight may only be added within the confines of the passenger or hatch compartment.
(b.4) All ballast
attachments must be approved by the GTi Challenge Committee or
(b.5) A 20kg
penalty will be awarded to the winners of each class after each heat, to a max
of 40kg. Weights will be supplied by the committee (at the beginning of
the year) and must be added, irrespective of whether the car is already
overweight or not. The minimum weight of a car shall be the base weight as per
(B) above plus the penalty weight.
(b.6) Class Reps
will be responsible for tracking and making sure the Class weights are
available on race days.
(b.7)Should you
lose, 20kg will be taken out and given to the new winner. If you had 40kg and
lose again, the other 20kg will also be removed and awarded to the new victor.
(b.8) All drivers
will purchase the compulsory bracket for weight penalties, as supplied by the
Challenge Committee and must be secured in the front passenger seat area with
the weight secured to the bracket.
* Specifications for
new model cars will be accommodated as they are built ie New Beetle, Golf
4 and 5 as well as New Polo (Hatch and Classic)
Y. Protests / Technical Checks:
- All cars will be
run on the GTi Challenge designated dyno before they are allowed to
race. The dyno owner, committee and car owner will be given copies of the
results. In order to protest a car/driver, a fellow competitor must fill
in a “Protest Form” within ˝ hour of the 2nd Heat of
the day. These forms will be available at the CoC office.
- The protest is to
be specific ie Motor, Power, Gearbox, Suspension or Brakes, Bodywork etc.
- The Car(s) in
question will have their bonnets locked and will be locked away in a designated
area at the race track.
- Checks will be
done at an agreed venue and time. Should the car(s) be illegal and the
fault be seen as an unfair advantage, the GTi Challenge Committee will exclude
the driver(s) from the results for the day and no points will be awarded.
Fuel may not be added, so drivers are required to finish a race with at
least 5 Litres of fuel left in the tank. Cars may only be transported by
trailer to the GTi Challenge designated dyno for checking unless
otherwise agreed by the Technical Sub-Committee. The car(s) will be given 2
runs, with the average taken between the two. Cars will be allowed a 3%
tolerance (Kilowatts and Torque on the flywheel) on the applicable maximum
Class (power & torque) to weight figures. If the car is over by more than
3%, he/she will be excluded from the results for that day’s races.
Technical Checks:
For Technical Checks
by the GTi Challenge Technical Committee, the same procedure will be
followed. If the checks are too difficult to be done at the track, the
cars will be locked away and an agreed time will be arranged. For power
checks, all drivers will meet at an agreed time.
i) The
GTi Challenge Technical Committee reserves the right to request that any car,
at random be checked.
ii) The
Technical Committee reserves the right to mark and seal the motor, as well as
ECU’s and On Board ports (for laptop interfaces).
iii)
Should any of these seals/markings be tampered with, the driver will be
excluded from the day’s results.
iv) If
there is any uncertainty as to the legality of potential modifications
affecting these markings/seals, it is the responsibility of the competitor to
seek approval in writing from the Technical Committee.
v)
Failure to do so, will result in exclusion, should these markings /seals be
inspected (see i above)
Z. Ceramic coating:
ONLY exhaust manifolds may be ceramic coated.
For further
information or clarification contact:
(Chairperson)
Cell:
(Vice Chairman)
Cell:
(Chief Technical Officer)
Cell:
GTi Challenge 2010
Rules Updates:
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Date |
Version |
Changed By |
Changes |
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25/12/09 |
1.01 |
Howie |
2010 Comm included. |
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1.02 |
Howie |
2009 |
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