2009 MOD LITE RULES
The rules and/or regulations set
forth herein are designed to provide for the orderly conduct of racing events
and to establish minimum acceptable requirements for such events. These rules
shall govern the condition of all events, and by participating in these events,
all participants are deemed to have complied with these rules. No expressed or
implied warranty of safety shall result from publications of or compliance with
these rules and/or regulations. They are intended as a guide for the conduct of
the sport and are in no way a guarantee against injury or death to a
participant, spectator or official. The race director shall be empowered to
permit reasonable and appropriate deviation from any of the specifications
herein or impose any further restrictions that in his opinion do not alter the
minimum acceptable requirements. No expressed or implied warranty of safety
shall result from such alteration of specifications. Any interpretation or
deviation of these rules is left to the discretion of the officials and their
decisions are final.
a.
GENERAL RULES
a.
All vehicles are subject to inspection at any time.
b.
Approval of a vehicle by the inspector shall mean only that the vehicle
is approved for participation in a competitive event and shall not be construed
in any way to mean that the inspected vehicle is guaranteed mechanically sound.
Be it further declared that the inspector should not be liable, nor shall the
sanctioning body, for any mechanical failure not for any losses, injuries or
death resulting from same.
1)
BODY STYLES
Any car
specifications not covered in these body specs are subject to track official’s
interpretation. Any significant
performance advantage will be addressed on an individual basis.
The Track official’s reserves the right to determine what constitutes
an unfair advantage.
a.
1928-1948
American-made production vehicles only, 5/8 scale, two-door sedans, coupes, or
pickup trucks. These are to be known as Classic Modified body styles.
b.
Modified
appearing body style such as IMCA or DIRT modified. These are to be known as
Modified Lite body styles.
c.
All
chassis specifications are the same for both body styles.
2)
CLASSIC MODIFIEDS BODY REQUIREMENTS AND SPECIFICATIONS
Body must be 5/8 scale, stock
appearing. Maximum outside tire width 60", Cars must pass freely through a
hoop 60 1/2” wide by 50” high, 73” wheelbase plus or minus 1".
a.
Must have
grill shell or simulated open radiator matching original body style, any
material.
b.
Doors,
windows, and cowlings must retain stock appearance. Hood louvers allowed for cooling, but must maintain stock
contours.
c.
Engine compartment must conform to scale and match contour of
body. Hole may be cut for breather
clearance only. Ram air induction
system prohibited.
d.
Must have closed trunk lid or fully enclosed trunk access panel
conforming to original bodylines. Louvers allowed no holes.
e.
No fenders.
f.
No wings or spoilers.
g.
Ram air induction system prohibited.
h.
Body will
be metal construction, 26-gauge steel or .040" aluminum minimum. Fiberglass
or plastic grill shells allowed. All exposed edges must be folded or trimmed
over. Legends cars may be allowed under local rules. No lips or spoilers of any
kind.
i.
NO open
top cars (roadsters, convertibles). No panel trucks, station wagons, or
specialty cars.
a. NO car
over 50” tall, top to ground. Body height maximum 44”, bottom edge to top
(including frame rail).
b. Maximum body width: 38” Maximum frame width
34”; min 30”
c.
Body contour must follow frame and roll cage.
Roof hatch entrance allowed.
d.
Frame ride height must not let car bottom out on track.
e. Drivers
door must be operational and equipped with secure latch.
f. Fasteners on hood, trunk, or panels must be
positive, locking type.
g.
124” maximum total length, bumper to bumper.
h. Kick
outs or side nerf bars must be mounted at a minimum three points and run full
length between tires. 1 ¼” max
.125 wall thickness. Cannot stick
out beyond 1” from the side of the tire.
The intent of these preceding
specifications is to follow the bodyline and design of an exciting IMCA or DIRT
modified racecar.
3a)
MODIFIED LITE
OVERALL
DIMENSIONS:
A.
42" min 50" max from ground - total car height.
B.
124" maximum total length, bumper to bumper.
C.
SIDES AND REAR QUARTER PANEL
1) 84" max - Door and rear quarter length.
D. 30"
min 38" max - side height of rear quarter panel from the ground.
30” max height of quarter panel.
E.
HOOD
1)
20" min 27” max - hood height excluding breather protectors
(bottom of frame rail to top of hood). Ram air induction system prohibited.
Rear of hood becomes part of windshield area rules.
No part of nose section (in front of spindle centerline) may be wider
than a maximum of 24”. Hood may taper out to door panels at the rear.
F.
ROOF
PANEL
1) 40"
min 48" max - length of roof panel. 36"
min 42" max - width of roof.
2) No part of roof panel may have more than 14o
of angle rake. No deflector of any type on upper sides or rear of roof
panel. Roof entrance hatch
optional.
G. REAR
UPPER QUARTER PANEL
1) 20"
min 38" max rear upper side panel may contain Plexiglas.
Side panels maybe no higher than 3" at the rear of the straight line
of quarter panel top edge. Side
panel may be no higher than an imaginary line from the rear edge of roof panel
to 3” above the top edge of the rear quarter panel.
H.
SIDE WINDOW
1) 18" min side opening length. 10" minimum side
opening height front and rear.
I.
INTERIOR/EXTEROR
1)
46" min 50" max - width of rear shelf and body panels. Rear
shelf may have no more than a 5o max
rake and may not be concave or convex in design. No lips or spoilers of any
kind. The rear frame area from the rear shelf downward a minimum of 16” must
be completely enclosed the width of the frame.
Louvers allowed, no holes.
J.
ADDITIONAL INTERIOR SPECIFICATIONS
1)
36" min 56" max - length of right side pod area with max 30o.
Left side pod may be altered for driver access.
2) Rear
quarter distance from center of rear 20" min 30" max.
3) Cockpit
cover with a max of ½” lip will be permitted providing the on/off cutoff
switch is reachable from outside the car by safety personnel.
4) Deck
lid height from ground 30” minimum, 36” maximum with NO rear lip extending
upward.
5) Side
pod may not extend rearward past the centerline of rear axle.
6) Body
must be centered on chassis.
7) If
windshield is used, it must be flat.
8)
All body dimensions will be teched + or – ½” unless otherwise
specified.
a.
All cars
following the “Stock
Motor” program must weigh a minimum of 1240 lbs, with driver after race.
b.
All cars following “the Open Motor” program, smaller than
1100 cc and all air cooled and oil cooled engines larger than 1127cc, must weigh
1300 lbs, with driver after race.
c.
All cars following “ the Open Motor” program, larger than
1100 cc must weigh 1340 lbs with driver after race
d.
No weight outside of car body, i.e. on nerf bars.
e.
Hood will be clearly marked with cc displacement and minimum
weight as outlined in Engine Specification, Para 12.
f.
This weight program will be monitored for parity and
competitiveness and may be changed at the discretion of Track Officials.
5.
BUMPER DIMENSIONS
a.
Front maximum width
30", Bumper height 6” to 8" with 2-bar loop. Ground to top of
bumper: 12” minimum, 16” maximum. Bumper
may not extend more than 12" forward of front tires.
b.
Rear
maximum width 56” with 3 vertical bars. Bumper height 6” to 8" with
2-bar configuration. Ground to top of bumper: 12” minimum, 18” maximum. May
not extend more than 8” behind rear body panels.
c.
Bumpers must be hollow with max wall thickness of .125
6.
FIREWALL
7. WINDSHIELD
8. NERF
BARS
9. SEAT
10. NUMBERS
AND GRAPHICS
11. WHEELS AND TIRES
12. ENGINE SPECIFICATIONS
12a)
“MODIFIED LITE & CLASSIC MODIFIED Stock Motor” Specifications:
12b) “Modified Lite Open Motor” Specifications:
12c) “General Motor” Specifications:
12d)
Engine Tech Procedures
13. BATTERY, FUEL SYSTEM
14. DRIVE TRAIN
15. FRAME AND ROLL CAGE
16. SUSPENSION
1.
Arms may
have a maximum length of 30”.
2.
Torque-absorbing devices are permitted.
3.
Maximum 3 radius rods or 3 link suspension.
c)
Wheel
offsets are allowed.
d)
Hub
offsets are NOT allowed. Hubs front and rear must be within 1/2” distance from
mainframe rail on either side of car, measured from center of rotor to vertical
plane of frame rail.
e)
Coil-over shocks are the only allowable means of supporting the
chassis. One shock and spring per wheel only.
f)
Shocks must be of all-steel construction, non-adjustable type.
May not be of a type that allows disassembly.
g)
No driver shall have the ability to adjust suspension from inside
car.
h)
Straight front axles are prohibited. Local clubs may grandfather
existing cars for competition.
i)
No leaf springs.
j)
No birdcage type rear linkage.
k)
Anti-roll (sway) bars permitted front or rear.
Must be connected without adjustments to arm location.
l)
No torsion bar suspension system of any type allowed.
17. STEERING
18. BRAKES
1.
Steel
rotors mandatory, .250 minimum thickness.
2.
Steel OEM calipers or aluminum calipers.
3.
Cutting & scalloping of rotors will be allowed with no rotor
surface being less than 3/4” in width.
4.
Drilling of rotors is permitted.
c.
Adjustable brake bias and wheel shut offs allowed.
d.
Competition-type master cylinders allowed.
19. SAFETY EQUIPMENT
a.
Fire bottle system HIGHLY recommended must
be fastened down with metal spring bands and not plastic.
b.
Driver uniform will consist of:
1.
Fire suit
(single layer minimum, one or two-piece).
2.
Fireproof gloves.
3.
Fireproof shoes.
4.
Approved helmet with SA2000/SA2005 or higher.
5.
Full-face helmet.
6.
Head and neck restraint systems recommended.
c.
Car must
be equipped with 5-point safety harness, no more than 3 years old, with minimum
of 3-inch belts.
d.
Aluminum, high-backed racing seat mandatory.
e.
Window
nets, arm restraints and head & neck restraints HIGHLY recommended.
f.
NO two-way radios. One-way communication from officials only is
allowed.
g.
NO mirrors allowed.
20. DRIVER QUALIFICATIONS
a.
All drivers must be minimum of 14 years of age or track policy.
All drivers under 18 years of age MUST have a signed waiver by parent or legal
guardian.
21. Modified Lites & Classic Modifieds:
a.
All vehicles are
subject to inspection at any time.
b.
Approval of a Modified Lite vehicle by the inspector shall mean
only that the vehicle is approved for participation in a competitive event and
shall not be construed in any way to mean that the inspected Modified Lite
vehicle is guaranteed mechanically sound. Be it further declared that the
inspector shall not be liable, nor shall the sanctioning body, for any
mechanical failure not for any losses, injuries or death resulting from same.
c.
All drivers are REQUIRED to be in their designated line-up
area prior to the two laps to go signal from the previous race.
If the driver fails to be in his/her designated starting position by the
designated time the driver will start on the tail of the event.
22. GENERAL
REGULATIONS
a.
The rules
and/or regulations set forth herein are designed to provide for the orderly
conduct of racing events and to establish the minimum acceptable requirements
for such events. These rules shall govern the condition of all events, and, by
participating in these events, all participants are deemed to have accepted and
compiled with these rules. NO
EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATION OF OR
COMPLIANCE WITH THESE RULES AND REGULATIONS. They are intended solely as a guide
for the conduct of the sport and are in no way a guarantee against injury or
death to a participant, spectator, or official. Any interpretation or deviation
of these rules is left to the discretion of Mercer Raceway Park Track Officials
and the decision is final. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL
RESULT FROM SUCH DEVIATION OF SPECIFICATIONS.
b.
No
intoxicating spirits or controlled substances are to be consumed before or
during race events by anyone entering the pit area of tracks.
c.
Mercer
Raceway Park Officials reserves the right to reject or allow entry of any driver
or car.
d.
Abuse or confrontation of any racetrack or Track official and/or use of
abusive language is strictly prohibited. FAILURE TO ABIDE BY THIS RULE MAY
RESULT IN SUSPENSION, LOSS OF POINTS, WINNINGS, RECORDS, AND/OR CASH FINE.
Any disputes involving qualifying times, lap scoring, finishing position
is under the jurisdiction of Mercer Raceway Park officials and will address
winnings, points, or rules interpretations.
e.
THE
DRIVER ASSUMES RESPONSIBILITIES FOR THE ACTIONS OF THEIR PIT CREW AND GUESTS.
f.
Drivers,
owners, and/or crew shall have no claims or actions of any kind against or cause
of action for damages of any kind, expenses, or otherwise against any track
owner, promoter, or official by reason of disqualification or damage to either
car, driver, or both. This regulation shall be deemed a covenant not to sue made
by each driver, owner, and/or crewmember to track owner, promoter, or official
with respect to any alleged act or omission or agreement by any of
him or her.
g.
Track
officials at any time for safety, mechanical, or rules compliance may inspect
any car.
h.
ANY RULES
OR REGULATIONS NOT COVERED IN THIS BOOKLET WILL BE DETERMINED ON A TIMELY BASIS
BY TRACK OFFICALS AND THE DECISION IS FINAL.
i.
Effective
date of these rules January 1, 2009.
j.
MOTOR
RACING IS A DANGEROUS SPORT AND MAY RESULT IN INJURY, BODILY HARM, OR DEATH.
k.
Rules updated March 1, 2009.