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#Post#: 1718--------------------------------------------------
2015 MDU Tech Requirements
By: tungm Date: March 25, 2015, 10:27 am
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Midwest Drift Union 2015 Rulebook
Please Read:
These are the Midwest Drift Union Competition Rules and
Regulations for the 2015
season. Although we try our best to avoid updates midseason,
they may occur. Please
verify you are using the most current version when reviewing
throughout the season.
NOTE: This rulebook is not as indepth as the Formula DRIFT
Professional Rulebook.
The Midwest Drift Union rulebook should not lead you astray,
however the Formula
DRIFT rulebook is updated more frequently than ours and we may
not catch every
update and/or change they make. If you eventually plan on
competing in Formula
DRIFT, please take the time to familiarize yourself with their
rulebook in addition to ours,
so you can plan your build out accordingly and save yourself
both valuable time and
money. If you have any questions, feel free to contact Nick
Swann at
[email protected]
1. Closed face helmet is required. SA2010 is required. SA2005 is
allowed if
manufactured date is after 3/2008 and clearly marked on the
helmet. Helmet must be in
good condition and show no signs of damage. Chin strap must be
present and fastened.
Open face helmets are not allowed. M helmets are not allowed.
DOT helmets are not
allowed.
2. All drivers are required to wear long pants, closed toe shoes
and sleeved shirts. Long
sleeve shirts are not required.
A. Tandem Drivers: In addition to the aforementioned
requirements, tandem drivers
are required to wear a �racing suit� which must be made of fire
resistant material
and certified to SFI spec 3/2 or greater or homologated to �FIA
2000� specs,
which effectively covers the body, including neck, ankles, and
wrist.
3. Pit area must be kept clean of all trash at end of event. All
used tires must be taken
with you at the end of the event.
4. If you spill any automotive fluids, you must clean it up
immediately. Notify the staff of
any spills. Most of the tracks that we operate at have
facilities for the disposal of
automotive fluid. DO NOT dispose of any motor oil, antifreeze,
and gear oil in the trash
cans.
5. Driver must be 17 or older and possess a valid driver's
license. If under 18, parent or
legal guardian must be present and sign waiver (please see
staff).
6. Driver�s meetings are mandatory. If you do not attend the
driver�s meeting without
making prior arrangements, you will not be allowed on track. No
refunds will be given.
7. Passengers are not allowed in cars on track. If a driver
brings a passenger, they will
be sent directly off track and can return to the back of the
line after they drop off their
passenger.
8. Common sense is required.
9. Driver must be ready to rock at all times. STAY ALERT!
10. No whining. You can always pack up and go home.
11. Drivers must pay very close attention to all flaggers and
course workers. If any of
their instructions are ignored, the driver will be, at a
minimum, kicked off the track for the
session. If the offense is repeated or unsafe, the driver will
be ejected from the event.
No refunds will be given.
12. Failure to follow the rules or any instruction from
racetrack staff will result in
immediate ejection from the event and, depending on severity of
offense, cause you to
be banned from all future events hosted by the group at all
tracks. We�ll also make fun
of you and tell all of our friends that run other events.
Vehicle Requirements
General Safety
1. General vehicle Inspection may include inspection of brakes,
suspension, engine,
drivetrain and chassis for proper operation, condition, and
potential issues.
2. Everything loose in car must be removed, includes floor mats,
dirty clothes, old cd
cases, empty packs of smokes, cans and anything else floating
around in your car.
Dispose of all trash in track provided garbage cans.
3. Fire extinguishers are required for all cars. Fire
extinguishers must be securely
mounted within reach of driver while in seat with harness on.
Driver must be able to
remove it easily for use. Minimum 2lb required. NO SHARING WITH
FRIENDS, YOU
MUST HAVE YOUR OWN. THEY ARE ONLY $20.
Technical Inspection:
1. No fluids can be leaking or dripping from the car. If signs
of a fluid leak are present,
evidence must be shown that leak no longer exists.
2. Heat shield is required around the brake and clutch master
cylinders for any cars with
the exhaust side of the engine on the same side as the driver.
OE heat shield is
acceptable. Bent up license plates or other painted/coated
surfaces are not
acceptable.
3. Coolant overflow is required on all cars. Oil overflow is
required on cars which have
removed or modified OE oil recovery system.
4. A gas cap must be present and be completely sealed. A
firewall is required for all fuel
system components inside the driver's compartment. Stainless
steel braided lines can
pass through driver's compartment, but all fittings and unions
must be behind firewall or
be similarly shielded.
5. All fluid hoses must be the proper hose to use for the
install application and purpose.
All hoses must have correct material and construction. Rubber
hoses should show no
sign of wear or weak spots. All fuel hoses must use fuel line
clamps. Worm gear
clamps are not allowed on fuel lines.
6. The exhaust must be present and exit outside of the body of
the car. It is
recommended that noise from exhaust not exceed 65dB. This rule
can change
depending on venue.
Lighting and Electrical:
1. The battery must be securely tied down with a plastic or
metal strap and proper
hardware. No bungee cord, zip ties, etc. are allowed.
2. If the battery is located in driver's compartment, the
battery must be sealed and
non�venting. Non�sealed batteries are allowed in driver's
compartment if it is in a fully
sealed box, properly mounted and vented outside the car.
3. Brake lights must be operational. At least 2 brake lights
must come on when using
the brake pedal.
4. ​Hazard lights at front and rear of the car must be
operational. The hazard switch must
be located in the cabin and within reach of the driver while
they are strapped into seat.
5. An OE key must completely shut off the car immediately. If
the OE key assembly is
not used, a kill switch must be used to immediately shut off the
car. The kill switch
needs to be easily accessible from outside of the car and the
location needs to be
clearly marked �KILL SWITCH.�
6. All wiring should be protected, insulated and properly
mounted.
Suspension:
1. Ball joints and suspension bushings must be in good condition
and have no
excessive play or clunking.
2. Wheel bearings must have zero play.
3. Steering must be smooth in operation and exhibit no binding.
4. All lug nuts must be present and properly torqued and have
proper thread
engagement. If using bolt on spacers, all lugs nuts attaching
the spacer to the hub must
be present.
Body and Glass:
1. Body panels are required. Body panels include the fenders,
hood, and hatch/trunk.
Due to the nature of drifting, bumpers and side skirts are not
required at all times,
although they are highly recommended during competition.
2. Tow hooks/straps are required front and rear. Factory tow
hooks are allowed as long
as the driver accepts that their car may be damaged when being
towed. Tow
hooks/straps should be easily found and painted a highly visible
color and their location
marked. Soft tow straps are recommended. Please label TOW on
your car.
3. The hood and trunk must be securely latched either using the
OE latch or
aftermarket pins or latches.
4. The windshield, rear window and fixed side windows must be
present. Door windows
must be operational if installed. Lexan or similar shatter
resistant polycarbonate can be
used. Windshields need to be 1/4" thick. Windshields must have
center supports and
must be bolted or riveted through the window frame. Spacing is a
maximum of 12" and
there must be at least 4 fasteners on each side. Side and rear
windows need to be 1/8"
thick.
Roll Cage:
A roll cage is not required to participate in any event. However
a roll cage is required to
tandem and compete.
Construction Materials: Roll cages may be constructed of either
Seamless Mild Steel
(DOM) or Seamless Chromoly (4130) tubing appropriately sized for
the weight of the
vehicle. Mild Steel (ERW) is not permitted.
Tubing Diameter: Tubing diameter is determined by the weight of
the vehicle, race
prepped, minus driver and fuel. ie: Up to 3500 lbs � 1.500� x
0.095� Chromoly (4130) or
Mild Steel (DOM)
Mounting Points: The roll cage shall be mounted to the floor of
the chassis in at least six
(6) points with either plates or boxes. All attachment points
must be mounted to these
plates or boxes and be welded three�hundred sixty (360) degrees.
Mounting plates can
be no smaller than two (2) inches on any side and have a minimum
thickness of 0.080�.
Mounting Points � Bolt in the cage � The roll cage shall be
fastened to the floor of the
chassis in at least six (6) points.
The attachment points of a bolt�in cage to the body must use
plates, 3/16 inch thick
minimum, to sandwich the body. A minimum of three (3) bolts are
required per mounting
plate. Each plate must be atleast 3/16 inch thick. All hardware
must be at least SAE
Grade 5 or better and be a minimum of 5/16 inch diameter. All
nuts must be held
securely by safety wire, lock washer, nylock, or jam nut.
Welds: All welds must conform to the American Welding Society
D1.1:2002, Structural
Welding Code, Steel Chapter 10, Tubular Structures. All welds
shall be continuous,
three hundred sixty (360) degrees, around each mounting point of
each tube. All welds
shall be visually inspected and must meet the following criteria
in order to be
acceptable.
1. All welds shall be free of any cracks
2. Thorough penetration must exist between the tube and base
material.
3. All craters, if any shall be filled to the cross section of
the weld.
4. Undercut shall be no more than 0.01 inch deep.
Inspection Hole: All tubes must have a 3/16 inch, but no greater
than 1⁄4 inch, hole drilled
in a non�critical area as to verify wall thickness.
Bends: No part of any tube shall show signs of crimping or wall
failure. All bends must
be mandrel bends, crush bends are not accepted.
Main Hoop: The roll cage main hoop should be constructed from
one continuous length
of tubing and be as close to the full width of the interior and
as close to the roof as
possible with no more than four (4) bends totaling no more than
one hundred eighty
(180) degrees +/� ten (10) degrees.
Diagonal Brace: At least one (1) diagonal brace shall be used
during construction of the
main hoop. The diagonal should be in one continuous path. Refer
to diagram 1.0 One
end should attach to the mounting plate, or main hoop as close
to the mounting plate as
possible, diagonally opposed to the drivers head. The other end
shall mount to the
corner, or horizontal part, of the main hoop about the drivers
head, within twelve (12)
inches of the drivers side corner. It is recommended the
diagonal brace be one
continuous length of tubing.
Harness Bar: The main hoop shall contain a horizontal mounted
harness bar, which is
to be constructed of like material, and be located no higher
than shoulder height. The
harness bar must extend from each leg of the main hoop and
intersect the diagonal
brace.
Front/Side Hoops/Halo � All hoops and/or down tubes must be
mounted to the floor, as
forward as possible, and following the �A� pillar and door frame
back to the main hoop.
There shall be a tube connecting each of the two (2) side hoops
at the top of the
windshield mounted as close to the roof as possible. Each side
hoop shall contain no
more than four (4) bends totaling no more than one�hundred
eighty (180) degrees.
Halo Hoop: A Halo Hoop is one (1) continuous length of tubing.
The halo extends from
the main hoop, in a forward direction, following the roof line
about the doors and
windshield. The halo must be connected to the floor with two (2)
front down tubes. The
Halo bar must not contain more than four (4) bends totaling no
more than one�hundred
eighty (180) degrees.
Front Hoop: A front hoop is one (1) continuous length of tubing.
Starting at the floor, as
far forward as possible, and then following the �A� pillar up to
the roof. Then, following
the roof, windshield line across the vehicle and down alongside
the other �A� pillar to
the floor. No more than four (4) bends totaling no greater than
one hundred eighty (180)
degrees will be permitted. The front hoop must be connected to
the main hoop by
means of two (2) horizontal bars, one (1) on each side above the
doors.
Rear Braces: The main hoop must have two (2) braces extending to
the rear. The
braces must attach as near to the top of the main hoop as
possible and no more than
six (6) inches below the top. The rear braces must not contain
any bends. There must
be a minimum of thirty (30) degrees between the rear braces and
the main hoop.
Diagram 3.0 When viewed from the top the rear braces are to form
no more than a
one�hundred five (105) degree angle Diagram 3.1 and no less than
a seventy�five (75)
degree angle.
Door Bars: All cars are required to have at a minimum two (2)
bars across each front
door opening. The door bars may run parallel to one another or
form an �X�. Diagram
4.0 If a parallel design is used a minimum of two (2) vertical
bars must be installed,
joining the upper and lower bars.
Padding: All roll cage surfaces that may contact the driver
should be padded with
high�density padding. It is not required though recommended that
all padding meet SFI
specification 45.1
Drivers that fail to follow this rule will not be eligible to
tandem.
Roll Cage FAQ:
1. Aftermarket roll bar, at a minimum, is required for all
convertibles for road course
events. For parking lot events, if no roll bar is present, roof
must be up and properly
fastened.
2. 6�point roll cage with harness bar and door bars required for
Group A.
3. Roll cage must have X or NASCAR bars on both front doors.
4. Must have diagonal in main hoop extending from above driver's
head to passenger
floor and harness bar must extend the full length of the main
hoop and be positioned for
proper harness mounting.
5. Rear mounting bars must tie in at the rear shock tower.
6. Front cage design can be halo or a�pillar bars. Roof bar is
required if using a�pillar
bars.
7. Dash bar is recommended but not required.
8. Minimum tubing specification for all cars is 1.5�x0.095 DOM
SAE 1018.
9. Cage must comply with current SCCA/NASA specification.
10. For bolt�in cages, OE crash structure cannot be removed or
modified. Ebay or
�Tuner� bolt�in cages are not sufficient for tandem.
11. Roll bar padding is required wherever the driver or
passenger may come in contact
with the roll cage, i.e. halo, door bars, lower a�pillar bar.
Roll bar padding can be any
type of foam padding designed to be used for this purpose. No
pool noodles, home
depot pipe insulation, etc. SFI rated padding is recommended but
not required.
Harnesses and Seats:
1. Harnesses must be properly mounted and not expired. Harnesses
must be FIA or SFI
rated and within the date range specified on the belts.
2. Harnesses must be mounted using correct hardware. If using
eye bolts and bolting
through the floor, must use fender washers on both sides to
spread the load. Harness
shoulder straps must be mounted to a roll cage or separate
harness bar and should not
be outside of 20* of horizontal. The seat cannot be used as a
guide for the harness. No
harness mounting points can be attached to the seat or seat
rails, they must be
attached to the chassis.
3. If car does not have a roll cage, a harness bar can be used
to mount the shoulder
belts when using a 4, 5 or 6�point harness. Must meet mounting
requirements listed in
item 2.
4. 4, 5 or 6�point harness required for car with a roll cage
installed. 5�point belt
recommended.
5. If harnesses are not properly installed and in compliance
with FIA or SFI
specifications, you will not be allowed to drive until this rule
can be met.
6. Please refer to manufacturer's specs for proper installation
and maintenance
procedures.
7. If stock seats or non�FIA approved reclinable bucket seats
are used, stock seat belt
must be used. Aftermarket harnesses are not allowed to be used
with these seats.
8. If race seats are intended to be used with stock seat belt,
the lap belt part of the seat
belt must pass through the holes in the side of the race seat.
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