A. Nosepiece and roof must match body
style of car.
B. All cars must have a minimum of one
inch (1”) and a maximum of two (2”) inches of roll at top of fenders, doors,
and quarter panels. A sharp edge or angle will not be permitted. Body roll must
go from sides over interior, not interior over sides.
C. Floorboards and firewall must cover the
driver’s area and be constructed to provide maximum safety.
D. Driver’s seat must remain on the left
side of the drive line.
E. Front window bars are mandatory.
F. Legible numbers, at least eighteen inches
(18”) high are required on each side of the car and roof.
G. No fins or raised lips of any kind are
permitted anywhere along the entire length of the car.
H. Bodyline must be a smooth even line from
front to rear.
I. No “slope noses” or “wedge cars”
permitted. Noses must be stock appearing, subject to Series template.
J. No “belly pans” or any type of enclosure
on bottom of cars will be permitted. Skid plate to protect oil pan is
No wings or tunnels of any kind are permitted underneath the body or
chassis of the car. A maximum of one (1) stone deflector, for rear mounted oil
pumps, oil filters, and for the main oil tank will be permitted. The deflector
may be made of steel, aluminum, or heavy gauge wire. The cover may only be
mounted near the unit it is designed to protect with a maximum size of 18”x 18”
and mounted only from the upper right frame rail to the lower right frame rail.
All body panels must be solid. No holes, slots, or air gaps are
All non-approved bodies or any section/s of the body can or will be
assessed a fifty pound (50#) minimum weight penalty at the discretion of the
No panels of any kind under the rear deck running from the front to the
rear of the car. Bracing from fuel cell top from front to rear is legal.
Any air cleaner scoops used must be positioned in front of or around the
air cleaner and cannot exceed one (1”) inch in height above any part of the air
cleaner. The scoop cannot be designed with fins or raised edges to direct
airflow. The scoop cannot extend behind the rear of the air cleaner and must
have a maximum width of seventeen inches (17”) at the rear, with a maximum of
ten inches (10”) width at the front and cannot have more than one inch (1”)
opening in height at the front.
No cockpit or driver adjustable shocks, hydraulic or pneumatic weight
jacks, trackers, MSD boxes or similar adjustable components of any kind are
permitted inside the cockpit of the car. Taping over of any adjuster is not
permitted. The offending component must be removed from the cockpit.
All stock nosepieces must be approved.
B. Nosepieces must be made of molded type
C. Two (2) piece noses must be fastened
together in the center. No spacers to gain width are permitted.
D. The nosepiece must be mounted so as not to
alter its original shape.
E. Adding to the bottom of the nosepiece in
the front achieving lower ground clearance is permitted.
F. A stock nosepiece can extend a maximum of
fifty-two inches (52") from the center of the front hub to the farthest
point extending forward.
G. Front fender flairs must be made of
plastic and cannot alter the original shape of the nosepiece. The front fender
flairs cannot extend beyond the front tire more than one inch (1") in
width with wheels pointed straight.
H. Front fender flairs must have collapsible support.
I. Front fender flairs can extend a maximum of three inches (3”) above the
fender tops and hood.
J. Front fender flairs can extend a maximum of four inches (4”) above where
the filler panel meets the hood.
K. The nosepiece must have a headlight decal package attached. One warning
will be permitted and then the car must run contrasting color tape in the shape
of a headlight.
A. The roof length size must be a
minimum of forty-four inches (44") to a maximum of fifty-four inches
B. The roof width size must be a
minimum of forty-eight inches (48") to a maximum of fifty-two inches
C. Roof must be stock appearing and
D. Roof height must be between
forty-five inches (45”) and forty-eight inches (48”) from the ground.
E. The roof must be mounted parallel
to body and near center of the car.
F. A maximum one and one half inch
(1.5”) roll, turned downward, is permitted along the front edge of the roof. A
maximum one-inch (1”) roll turned downward is permitted along the rear edge of
the roof. (Roll permitted to help strengthen roof).
G. No flat or odd shaped roofs
H. All roof side (sail) panels must extend to the edge of the body. Maximum
(no tolerance) right side sail panel size – seventeen inches (17”) at the
top, forty-three inches (43”) at the bottom. Maximum (no tolerance) left side
sail panel size – seventeen inches (17”) at the top, forty-three inches
(43”) at the bottom and minimum fifteen inches (15”) at the top, forty inches
(40”) at the bottom. The window area may be covered with clear Lexan or
transparent material. Both roof support openings must be covered or both must
be left open, if left open the openings must
remain the same size. Decals will be permitted but must meet the
dimensions in the drawing and must be approved by the Technical Inspector.
Maximum two-inch (2”) bow in either direction in rear roof side panels is
I. Sail Panel Windows Openings must be the
same size on both the left and right sides, they must be in the same location
and orientation on both the left and right sides.
All cars must have a minimum of three inches (3”) and a maximum of four
inches (4”) between sail panel and spoiler side where they meet the deck.
Front posts must be flat and in uniform width from top to bottom –
four inch (4”) maximum width.
Any sun shields, four inch (4”) maximum, must be able to hinge for easy
exiting of car.
FENDERS AND HOOD
A. Must be level and flat from left to
right side of car.
B. Fenders are not permitted to gain
height from rear to front of car.
C. No part of fender or hood can be
outside of the bodyline.
D. The front fender can be a maximum
of thirty-six inches (36”) in height. Height is measured vertically from the
ground to the top of the fender behind the front tires.
A. Door to door cannot exceed
seventy-seven inches (77”) in width at the top of the doors.
B. Door to door cannot exceed
eighty- two inches (82”) in width at the bottom in the center of the car.
C. Doors cannot exceed thirty-six
inches (36”) in height measured from the ground.
D. At no point can the door sides
break in towards the center of the car between the top and bottom measurements.
E. The minimum ground clearance
permitted is three inches (3”).
A. No offset quarter panels permitted.
Must be equally tapered towards the center of the car.
B. Tire clearance from body must be a
minimum of two inches (2”). No wheel skirts permitted.
At no point can quarter panel sides break in towards center of the
Right side quarter panel must be straight in line with the door or taper
in a maximum of one inch (1’).
Left rear quarter panels must extend downward from the deck a minimum of
thirty-three inches (33”) and a maximum of thirty-six inches (36”) including
the plastic. Measured at the front and rear of the quarter panel. Right rear
quarter panels must extend downward from the deck a minimum of twenty-seven
inches (27”) without the plastic and thirty-one inches (31”) with plastic.
Measured at the front and rear of the quarter panel. One inch (1”) tolerance.
A. No aluminum
frames permitted in construction of car.
C. Rectangle or Square Tubing:
frame of all cars must be constructed of two inch (2”) by two-inch (2”) minimum
rectangular or square tubing with a minimum of eight inch (8”) circumference
and a minimum of eighty-three thousands inch (.083”) wall thickness.
D. Round Tube Frame:
The frame of all cars must be
constructed of a minimum of one and three-quarter inch (1¾”) round
tubing and must have a wall thickness of eighty-three thousands inch (.083”)
wall thickness minimum.
E. If rear
bumper is stubbed, it may only extend a maximum of eight inches (8”) beyond
frame. Any stubbed rear bumpers that extend eight inches (8”) or more beyond
frame must be rounded and directed towards the front of the car.
F. It is
recommended that all cars be equipped with a tow hook or strap.
G. All battery
supports must be braced in two axis - two horizontal and one vertical.
A. Cars must have a suitable steel roll cage in
drivers’ compartment including headrest.
B. Side roll
bars are mandatory and must extend into the door panels.
C. A minimum of
three (3) bars must be used on the left side of the car. Each bar must be a
minimum of one and one-half inch (1½”) in diameter with a minimum
thickness of ninety-five thousands inch (.095”).
D. Roll cage must
be welded to the frame.
E. Roll cage
must be above the drivers’ helmet.
“fin-shaped” or “foil-shaped” add-ons permitted on any part of the roll cage.
The entire roll cage must be constructed of round tubing only.
G. Roll cage padding certified to
SFI Spec 45.1 is required anywhere the driver’s helmet may contact the roll
cage while in the driving position.
A. Interior is permitted to be dropped to the middle of the car a maximum of three
inches (3”) below the top of doors and a minimum of twelve inches (12”) below
the roll cage.
must gradually taper up to the quarter panel height and be level for thirty-two
inches (32”) from the rear of the quarter panel.
Interior must be fastened flush at the top of the door and quarter
panels and must taper gradually towards the center of the car not creating a
D. Interior must run
in a straight line from behind the drivers’ seat to the rear spoiler.
E. If interior is flat
through the car, it must maintain a twelve-inch (12”) clearance from roll cage
for easy exiting from either side of the car.
F. All cars with interior
panels must at NO point in the car be over three inches (3”) in height. The
portion of the panel running beside the driver must taper to zero or end in
line with the steering wheel.
G. If interior is dropped at
firewall, that portion of the firewall must be filled for safety reasons.
Dropped Interiors will be monitored by the Technical Director and his calls on
dropped interiors are final.
A. Rear spoiler must
be manufactured of material of adequate strength such as Lexan or Aluminum.
B. Rear spoiler
material maximum eight-inch (8”) height measured from deck to tip of material.
Maximum seventy-two inch (72”) width.
C. Rear spoiler is
not permitted to be suspended above the deck to create a “wing effect.”
D. Rear spoiler must
begin where quarter panels end. No extended decks permitted.
E. Maximum of
three (3) rear spoiler supports. Option of two (2) additional one-inch (1”)
F. Spoiler supports cannot be mounted wider than the top of the quarter
A. Engines must be based on a factory
design and must be naturally aspirated. Aluminum or steel blocks permitted.
B. No fuel injection devices,
electric fuel pumps, turbo chargers, or blowers permitted.
C. Magnetos are permitted.
However, the engine must have an operating self-starter.
D. The engine may be set back a
maximum of six inches (6”) from the center of ball joint to front spark plug
E. Carburetor is limited to one
F. All engines are limited to one
spark plug and two valves per cylinder.
G. No engines using coil packs are
allowed. Engine must operate using a single distributor. No distributor-less
H. A harmonic balancer certified to SFI
Spec 18.1 is required.
I. No overhead cam engines.
A. An approved fuel
cell (32 gallon maximum) must be securely mounted in the trunk area of the car
inside a 20-gauge metal box supported by two (2) 1/8 x 2" steel straps.
B. A firewall must be installed between the fuel tank and drivers’
C. Gasoline or Alcohol only. Nitrous gases or other nitrate additives are
No titanium chassis or suspension components
No titanium fasteners
CLUTCH AND REAR END
A. Any transmission
with working reverse and working forward gears is permitted.
transmission must be equipped with an operational clutch.
transmissions are permitted.
D. The transmission
must be mounted to the rear of the engine and lead to one drive shaft.
“live-axle” rear-ends are permitted.
independent rear suspensions are permitted.
G. All rear-ends
using a cable to lock-in the rear-end must have the cable mounted outside the
cockpit area and not in reach of the driver.
A. All drive shafts
must be a minimum of two inches (2”) in diameter. All drive shafts must be
painted silver or white.
B. Only one
drive shaft is permitted.
C. The drive shaft
must be protected with a secure drive shaft hoop or sling.
EFFECTIVE 5/1/2013 - The Late Model Tire Rule will change to allow ONLY the following tires:
28.5/11.0 - 15 Rib 1300
92.0/11.0 - 15 LCB
28.5/11.0 - 15 Rib 1350
92.0/11.0 - 15 LCB 03(1350)
LM90/11 - 15 LCB M40 - (Note: this is the standard LM 40)
LM92/11 - 15 LCB M40 - (Note: this is the standard LM 40)
28.5/11.0 - 15 LCB Rib 1640
92.0/11.0 - 15 LCB 06(1640)
Largest permitted tire is twenty-nine inches (29") by eleven inches
(11") by fifteen inches (15").
Maximum circumference permitted is ninety-three inches (93").
Maximum cross section width permitted is sixteen and three-quarters inches (16
Hoops for inspection must pass over tire freely.
F. No tire softeners,
no conditioners, no altering of tires with any natural or un-natural, no
hazardous or un-hazardous components or chemicals which alter the factory set
baseline-settings of a given tire.
G. All sidewall
markings must visible at all times. No buffing or removing of the compound
H. Any chemical treating of
tires is illegal.
Officials reserve the right to check and or confiscate any tire used in
competition at any time. A driver is fully responsible for any tire used in
competition regardless of the source of the tire and/or when the tire was put
on the car.
Officials can take tire samples using two methods.
Officials can remove samples using destructive methods. In this case, no
tires will be returned regardless of results. Drivers with treated tires will
receive no compensation. Drivers with untreated tires will have the tire
Officials can remove sample grooves from the tread of the tire. No
compensation will be given to the driver for tires.
Any tire used in competition may be protested for chemical treating by
any driver competing in that same individual event(same feature, heat,
qualifications, etc). Protest must be made to track officials prior to when the
protested car returns to pit area. Protester must present $500 cash to official
at time of protest.
If tire is found to not have been treated, the protested driver will
receive $150 for tire replacement even if destructive methods are not used.
If tire is found to be treated, protester will receive $400 of their fee
back with $100 being held for processing fees.
All prize monies of drivers with tires taken for testing will be held
until lab tests are received. If tire samples do not match the factory
benchmark for that compound, the driver forfeits all monies won that night, not
only those from the specific race where the driver was protested. (ie – A
driver using a tire during qualifying that is found to be illegal will forfeit
any monies won in heats, consis, or features that night.)
Drivers with tires that do not match the factory benchmark will be
disqualified for the event the samples were taken, be suspended 5 races, lose
all championship points earned up to that point, be disqualified from any
contingency programs for that season, and be subject to a $1,000 fine. These
penalties are for a driver’s first offense. Further offenses will be handled on
a case by base basis.
Any driver refusing to submit tires for any testing or intentionally
avoiding officials attempts to secure tires will be subject to the same
penalties as those found using chemically altered tires.
Any driver making a protest then backing out of protest may be subject
to fines, suspensions, and/or other penalties.
A. Steel, aluminum,
carbon fiber or plastic wheels are allowed.
B. Wheels must
be mounted with lug nuts: no knock-off mounting devices are allowed.
C. Maximum wheel
width is fourteen inches (14”).
D. Maximum width
outside of front tires is ninety inches (90”).
width outside of rear tires is eighty-eight inches (88”).
A. Must be equipped with sufficient four (4) wheel braking system.
B. On track three wheel braking is allowed.
C. No titanium or carbon fiber brake rotors are permitted.
A. Shocks must be
constructed of aluminum or steel. Remote reservoirs are permitted.
springs must be steel. Leaf springs may be composite or steel.
CONTROL SUSPENSION DEVICES
"in-cockpit driver controlled" suspension devices permitted. NO
weight jacks of any kind permitted. (This includes fifth [5th] coils, etc.).
ANY driver using "in-cockpit driver controlled" suspension devices or
weight jacks WILL BE DISQUALIFIED FROM COMPETITION!
A. Mufflers are
B. Exhaust is
not permitted to be directed towards ground. Exhaust must be parallel to the
A. All Traction
Control Devices are strictly prohibited during any form or portion of a Lucas
Oil Late Model Dirt Series sanctioned event, race or practice/test session.
traction control devices whether electronically controlled in the ignition
system, wheel sensors or any means of measuring ground speed to control wheel
spin are strictly prohibited. All devices not mentioned in the above that are
found to control wheel spin, timing or fuel delivery control will be considered
C. At NO time will
there be any type of ping control devices, dial a chip controls, timing
controls or any modifications to the ignition control boxes, distributors, or
any other part of the Ignition System. This includes any add on component or
components inside or outside the cockpit of any competitors racecar. There
shall be NO driver controlled wheel spin, timing or fuel delivery control
devices in the cockpit area of any racecar.
D. A competitor
found with any of the above mentioned will lose the complete device permanently
lose all points earned to that point in the season. NOTE: A competitor may be
asked for his electronic ignition at any time by the Technical Director to be
sent for testing and inspection. Failure to hand over the electronic ignition
will result in the holding of any purse monies won.
and/or any other type of electronic tracking and/or locating device will not be
permitted for any reason.
A. A minimum weight limit of 2300lbs
will be in effect at all times. No burnoff allowance will be given.
B. Any attached weights must be
securely attached to the frame, painted white or bright silver and have the car
number clearly displayed on them. Weights of up to fifty (50) pounds must be
secured by two (2) half inch (1/2”) Grade 5 or higher bolts on two (2) weight
clamps. Weights secured by one bolt and/or held on by a means other than
accepted by the Technical Inspector will not be permitted. Due to the high
risk factor involved, any car that loses lead weight during an event may be
fined or face disqualification.
C. No weights may be attached to rear
D. No driver-operated weight adjustment devices are permitted.
A. NO batteries to
be located in the drivers’ compartment/cockpit.
B. Full containment
racing seats are Strongly Recommended. All seats
must be mounted properly & securely per the Technical Directors
recommendations. The use of Grade 5 or better hardware is also required to
attach the seat to the chassis.
C. The use of a 5, 6 or 7 point driver restraint system
certified to SFI Spec 16.1 or 16.5 is REQUIRED no exceptions. All driver
restraint systems shall not be in excess of 3 years of age past the date of
manufacture. The use of a 7 point driver restraint system is strongly
recommended. All mounting points of the racing harness MUST be mounted properly
in accordance with the manufacturer’s instructions, and securely mounted to the
chassis with the use of grade 5 or better hardware.
D. Window Nets certified to SFI
Spec 27.1 are highly recommended and must be mounted in accordance with the
manufacture’s instructions and technical director’s satisfaction.
E. A driveline
"sling" is REQUIRED.
F. A helmet
certified to Snell SA2000, SA2005 or SA2010 Standard or SFI Spec 31.1A,
31.1/2005 or 31.1/2010 is REQUIRED.
G. A driver suit certified to SFI Spec 3.2A/5 is REQUIRED.
H. Gloves certified to SFI Spec 3.3/5 are REQUIRED.
I. Fire resistant socks are Required.
J. Eighteen (18)-gauge steel or one and one-eighth inch (1 1/8")
aluminum "cockpit tub" to protect front, sides and rear of driver is
K. Drivers under the age of 18 are REQUIRED to have a window net, gloves, and either a neck collar or a head and neck restraint system in addition to all other required safety equipment in place.
L. Head and Neck Restraint Devices/Systems
are Highly Recommended
1. At all times during an Event (practice, qualifying, and
competition), drivers must connect their helmet to a head and neck restraint
device/system certified to SFI Spec 38.1. The device/system must display a
valid SFI Spec 38.1 label. The head and neck restraint device/system,
when connected, must conform to the manufacturer’s mounting instructions, and
must be configured, maintained and used in accordance with the manufacturer’s
2. It is the responsibility of the driver, not speedway
officials, to ensure that his/her device/system is certified to SFI Spec 38.1,
correctly installed, maintained, and properly used.
A. You may be given
a simple warning.
B. You may be
asked to correct the infraction.
C. You may be
assessed a weight.
D. You may be
disqualified when found and/or noticed with an infraction.
E. You may choose
A. NO two-way
radios. No crew to driver radio or transmitted communications of any kind.
"in-cockpit driver controlled" electronic devices of any kind
C. NO computer
controlled devices of any kind permitted.
D. NO rearview
mirrors of any kind permitted.