On occasions situations may arise that are not precisely covered in these rules.
All rulings and interpretations of the rules included herein will be made exclusively by Hilltop Speedway staff and these judgments shall be final.
The rules and / or regulations set forth herein do not express or imply warranty
of safety, from publication of, or, compliance with these rules and / or regulations.
They are intended as a guide for the conduct of Hilltop Speedway and are
in no way a guarantee against injury to participants.
These rules and / or regulations will apply to all Hilltop Speedway racing events.
Officials have full authority over all racing events.
In the event of any dispute the Race Directors decision will be final.
All race cars are subject to be inspected by the Hilltop Speedway
Technical Director at any time during the event.
Hilltop Speedway reserves the right to alter or amend these rules
and / or regulations in the interest of fair competition.

Limited Late Models will follow all specifications plus:

Cars with:
Steel engine must weigh a minimum 2250 lbs with driver after the race.
Steel engine / Aluminum Head must weigh 2300 lbs with driver after the race.
Aluminum small block engine must weigh a minimum 2350 lbs with driver after the race.
Aluminum big block engine must weigh a minimum 2400 lbs with driver after the race.

Weights:
The centerline of the weight must be located
no further back than the firewall.
All weight must be properly secured.

Tires and Wheels:
Racing Tires Only ( Hoosier RC3 or equivilent )
Maximum 10" Racing Wheel ( Steel or Aluminum )



CAR SPECIFICATIONS:

BODY
a) The nosepiece style (GM, Ford, Mopar) must match the body style of the car
and be the same as the motor used.
b) All cars must have a minimum of half inch (1/2”) and a maximum of one inch (1”) radius
at the top of fenders, doors and quarter panels.
A sharp edge will not be permitted.
c) Floor boards and firewall must fully cover the drivers area
and be constructed to provide maximum safety.
d) Legible race numbers, at least eighteen inches (18”) high are required on
each side of the car and on the roof.
e) Race numbers must also be displayed on the front nose and rear fuel cell
and be a minimum of six inches (6”) in height.
f) No fins or lips of any kind are permitted anywhere along the entire length of the car.
g) The body line must be a smooth even line from front to rear.
h) No wedge shape cars are permitted.
i) No “belly pans” or any type of enclosure on the bottom of the car is permitted.
A robust skid plate to protect the oil pan is permitted.
j) No wings or tunnels of any kind are permitted underneath the body or chassis of the car.
k) 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 eighteen inches square (18” x 18”) and mounted only from the upper right
frame rail to the lower right frame rail.
l) No panels of any kind under the rear deck running from the
front to the rear of the car are permitted.
m) Non-approved bodies may at the discretion on the tech inspector,
be assessed a fifty pound weight penalty.
n) Any style air cleaner scoop used must be positioned in front of or around the air cleaner
and can not exceed one inch (1”) in height above any part of the air cleaner.
The scoop may not have fins or raised edges designed to direct air flow.
o) No cockpit adjustable components with the exception of brake bias are permitted.
No adjusters for adjustable shocks, hydraulic or pneumatic weight jacks, trackers, ignition boxes or similar adjustable components of any kind are permitted inside the cockpit of the car or
within reach of the seated driver.
Taping over of the adjuster(s) is not permitted.
The offending component must be removed from the cockpit.

NOSEPIECE
a) All stock nosepieces must be approved by our Technical Inspector.
b) Nosepieces must be made of molded type material.
c) Two piece noses must be fastened together in the center.
Spacers added to gain width are not permitted.
d) The nosepiece must be mounted so as not to alter its original shape.
e) The nosepiece can extend a maximum of fifty two inches (52”)
from the center of the front hub to the farthest point extending forward.
f) The nosepiece must have a headlight decal package affixed.
A one race grace period, running contrasting color tape in the shape
of a headlight will be permitted.
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 width pointed straight.

ROOF
a) The roof length size must be a minimum of forty four inches (44”)
to a maximum of fifty four inches (54”).
b) The roof width size must be a minimum of forty eight inches (48”)
to a maximum of fifty two inches (52”).
c) The roof must be stock appearing and be mounted level within a max of 2 degrees.
d) The 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 the body and near the center
of the car as viewed from the front.
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.
Two (2) bead rolls running length-ways and a rain gutter on each side are permitted at a max height of three eights of an inch (3/8”).
(These rolls are permitted to help strengthen the roof.)
No turn up at the rear of the roof will be permitted.
g) No flat or odd shaped roofs are permitted. No bellied or hollow roofs.
h) Any sun/antiglare shields may not exceed a four inch (4”) drop from the top roof line,
and must hinge for easy exiting.

ROOF SUPPORTS and WINDOW SIDE PANELS
a) All roof side panels must extend to the edge of the body.
b) Roof side panel window size must match the dimensions in the drawing
and be a minimum of ten by fifteen inches (10’’ x 15’’).
c) The window area may be covered with clear Lexan or equivalent,
be cut out, or be represented by a decal.
Both roof support openings must be covered or both must be left open.
d) Left and right side window panels must match.
e) A maximum bow of two inch (2’’) outward on the window side panels
as viewed from behind will be permitted.
f) Front roof supports up to two inches (2”) wide must extend forward to the rear of the hood.

FRONT FENDERS, FLARES, and HOOD
a) The hood and front fenders must be level and flat from the left to the right side of the car.
b) The line from front to rear fender heights must slope up.
c) No part of the fender or the hood can be outside of the body line.
d) The front fender can be a maximum of thirty seven inches (37”) in height.
Height is measured vertically from the ground to the top of the fender behind the front tires.
e) Front fender flares must be made of plastic and
cannot alter the original shape of the nosepiece.
f) The front fender flares must cover the front tires and are permitted
to be a maximum of ninety inches (90’’) in width.
g) The front fenders flares may not be higher than the front fender by more than two inches (2”).
h) Front fender flares must have collapsible supports.

DOORS
a) The door to door measurement cannot exceed seventy six inches (76”)
in width at the top of the doors.
b) The door to door measurement cannot exceed eighty two inches (82”)
in width at the bottom in the center of the car.
c) Doors cannot exceed thirty seven inches (37”) in height measured from the ground.
d) At no point can the door sides break inwards from the top seventy six inches (76”)
and bottom eighty two inches (82”) measurements.
No hollow or bellied doors permitted.
e) The minimum ground clearance permitted is three inches (3”).

QUARTER PANELS
a) The maximum distance permitted from the center of the rear hub to the top corner
of the quarter panel is fifty two inches (52”).
b) The quarter panels cannot exceed seventy six inches (76”) in width at any point
behind the center of the rear hub as measured at the top.
c) Rear decks must taper from seventy six inches (76’’), as measured at the top over the rear hubs, uniformly back to seventy two inches (72’’) at the spoiler, either, equally on both sides
or on the left side only.
d) The quarter panels cannot exceed eighty inches (80”) in width in the center (nineteen inches (19”) height off ground) or at the bottom.
e) At no point can quarter panel sides break inwards towards the center of the car.
No hollow or bellied quarter panels permitted.
f) The maximum distance from the center of the rear hub to the end of the quarter panel
is forty eight inches (48”).
g) The maximum height permitted from the ground to the top of the deck
is thirty eight inches (38”).
h) Tire clearance from the body should be a minimum of two inches (2”).
i) No skirting is permitted to extend behind the quarter panel.

SPOILER and SUPPORTS
a) The rear spoiler must be manufactured of adequate strength material
such as lexan or aluminum.
b) The maximum overall length of the material used on the rear spoiler is eight inches (8”).
The maximum width of the rear spoiler and supports is seventy two inches (72”).
c) The rear spoiler is not permitted to be suspended above the deck to create a “wing effect”.
d) The rear spoiler must begin where the quarter panels end.
No extended decks permitted.
e) No more than three spoiler supports are permitted.
The front edge of the spoiler supports must be in line.
f) The outer spoiler supports cannot be mounted wider than the top of the quarter panel.
g) Spoilers will be measured according to the total length of and width of the material,
in any shape or form.
If an aluminum angle is used to brace the upper edge of the spoiler,
it may not add to the spoiler height or length in any way.

INTERIOR
a) No area of the interior of the cockpit can be less than eleven inches (11”)
below the roof and the roll cage for safety and easy exiting of car from
either side measured straight up and down.
b) Side windows must have fifteen inches (15”) minimum opening,
measured at an angle to the door.
c) No support bars are permitted to block the right window exit from the cockpit.
d) A rock guard (lexan screen) can taper back from the steering wheel to a height of
one inch (1’’) in line with the driver’s chest providing the eleven inch (11”) minimum clearance
is met at any point from the roll cage to the body or rock guard.
Easy exit on right side of the car is imperative.
e) Dropped interiors may begin no further forward than the rear engine plate with a maximum
of four inches (4”), and cannot drop below four inches (4”) of the rear of the hood.
The start of the dropped interior may not be open, as this forms part of the fire wall.
The entire width must be closed off in sheet metal.
f) The interior must gradually taper up to the quarter panel height and be level
for twenty inches (20”) from the rear of the quarter panel and deck.

DRIVER COMPARTMENT
a) A full metal firewall must encompass the driver’s compartment from front to rear,
on both sides and the floorboards.
Aluminum or sheet metal is required.
b) The driver’s seat must be of a proper high back aluminum racing seat design,
located on the left side of the car and securely attached to the frame.
This seat must incorporate a padded headrest.
A right side padded head rest must be incorporated in the absence of a head net
or padded head support attached to the roll cage.
c) All cars must have a quick-release type steering wheel.
d) All cars must have a working starter, operated from inside the car.
e) No mirrors are permitted.
f) No radios are permitted in the car or on anyone connected with car.
g) The edges around the driver’s cockpit must be suitably protected with trim or beading.
Care must be taken not to have any sharp, jagged or rough fasteners, brackets or anything
that could snag the driver’s suit when the driver exits the car.
h) A substantial rock guard steel screen must be mounted in front of the driver to protect
him from flying debris, and rocks.

FRAME
a) The wheel base width must be between a minimum of one hundred and three inches (103”)
and maximum of one hundred and five inches (105”).
b) All frames must be of steel construction and must be a minimum of two inches by two inches square (2” x 2”), or rectangular, with a minimum material thickness of
eighty three thousandths of an inch (.083”).
c) If a round tube frame is used, the tubing must have a minimum of one and three quarter inch (1.75”) outside diameter, with a minimum material thickness of
eighty three thousandths of an inch (.083”).
These frames must use 4130 Chrome Moly Steel or DOM for construction.
d) If the rear bumper is stubbed, it may only extend a maximum of
eight inches (8”) beyond the frame.
Any stubbed rear bumper that extends in excess of eight inches (8”) beyond the frame
must be rounded and directed eight inches towards the front of car.
e) No external rub rails are permitted.
f) It is recommended that all cars be equipped with a tow hook or strap.
g) All battery supports must be braced in at least two axes, two horizontal and one vertical.

ROLL CAGE
a) Cars must have a suitable steel roll cage in the driver’s compartment.
b) Should the drivers seat not have a suitable right side padded headrest,
or right side head net, one must be attached onto the roll cage.
c) Side roll bars are mandatory and must extend into the door panels.
d) A minimum of three bars must be used on the left side of the car.
Each bar must be a minimum of one and one half inch (1 1/2”) in diameter
with a minimum thickness of ninety five thousandths of an inch (.095”).
e) The roll cage must be welded to the frame.
f) The roll cage must be above the driver’s helmet.
g) For all new frames built in 2006 on, an extra vertical side brace bar of
one and one half inch (1 1/2’’) dia. x ninety five thousandths of an inch (.095”)
is required on left side in line with the steering wheel.

TRANSMISSIONS
No direct drives are permitted.
The transmission must be bolted to the engine, and must have forward and reverse gears
and must be able to shift to forward or reverse with engine running.
All cars must be self starting.

DRIVE SHAFT
a) The drive shaft must be a minimum of two inches (2”) in diameter.
All drive shafts must be painted white.
b) Only one drive shaft is permitted.
c) The drive shaft must be protected with a minimum of one secure drive shaft hoop or sling.

REAR END
a) Any type of rear end differential is permitted.
b) No “live axle” rear ends are permitted.
c) No independent rear suspension is permitted.
d) Only floater “wide five” hub assemblies are permitted.

BRAKES
All cars must be equipped with a sufficient braking system.

SHOCKS
Shocks must be constructed of aluminum or steel.
Remote reservoirs are permitted.

SPRINGS
Coil springs must be steel.
Leaf springs may be composite or steel.

WHEELS
a) Only steel or aluminum wheels are permitted.
b) The wheels must be mounted with lug nuts. No “knock-off” mounting devices are permitted.
c) Wheel spacers are permitted provided they do not cause the
front track width to exceed eighty eight (88") inches maximum
or rear track to exceed the eighty six (86") inches
maximum measured outside to outside of the tire.

ENGINE
a) Only V8 engines will be permitted with no limit on cubic inch displacement.
b) Engines must be based on a factory design and must be naturally aspirated.
Aluminum or steel blocks are permitted.
c) Magnetos are permitted, However, the engine must have an operating self starter.
d) The engine is permitted to be set back a maximum of twenty five and one half inch (25 1/2”) from center of the ball joint to the front of the motor plate / engine bell housing flange.
e) The carburetor is limited to 1 four barrel unit.
f) All engines are limited to one spark plug and two valves per cylinder.

TRACTION CONTROL DEVICES
a) All traction control devices utilizing wheel sensors, automated brake controls
or any means of measuring ground speed to control wheel spin are strictly prohibited.
b) Adjustable ping control devices, dial a chip controls, timing controls,
or automated throttle controls are NOT permitted in the cockpit
or any other position accessible to the driver.
c) Any remote controlled components inside or outside the cockpit
of any competitor’s race car are NOT permitted.
d) No data acquisition systems are permitted.
e) Any competitor found with any of the above will be fined,
will be disqualified and could be suspended for up to a year.
f) A competitor may be asked for his electronic ignition at any time for inspection.
Failure to do so will result in Disqualification and/or suspension.

FUEL SYSTEM
a) All cars must have approved fuel cells - 35 gallon maximum.
The fuel cell must be in a completely enclosed, in minimum 20-gague steel
or sixty thousandths of an inch (.060”) aluminum container.
The entire container must be visible.
The driver must be prepared to drain fuel upon request for measurement.
b) Only racing gasoline or alcohol is permitted.
No nitrous oxide, nitro-methane, or propylene oxide is permitted.
Fuel may be checked at any time.
c) The fuel cell must be securely mounted behind the rear axle between the rear tires,
a minimum of four inches (4”) ahead of the rear bumper, no lower than the quick change housing. It must be mounted with a minimum of two one eighth of an inch (.125”) thick steel straps
two inches wide around the entire cell.
Cells mounted in a square tubing frame are permitted.
All cells must be securely mounted to the frame.
The bolts used to mount the fuel cell must be a minimum of seven sixteenths of an inch (7/16”).
e) No fuel injection system or electrical fuel pumps or any type of pressurized
fuel system is permitted.
Only mechanical or belt driven fuel pumps are permitted.

EXHAUST
a) The exhaust is not permitted to be directed towards the ground.
(The exhaust must be parallel to the ground so as to disturb as little dust as possible.)
b) All headers must end with a collector.
c) Mufflers may be required at some tracks.

WEIGHTS
a) Any attached weights must be securely attached to frame below the decking,
painted white and have the car number clearly displayed on them.
Weights of up to 50 pounds must be secured by two half inch (1/2”)
Grade 5 bolts on two weight clamps.
Weights secured by one bolt and / or held on by a means
other than accepted by the Tech 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.
Clamp around weights are permitted.
b) No weights may be attached to rear bumper.
c) No lead pellets or liquid weights are permitted.
d) No driver-operated weight adjustment devices are permitted.
e) Engine variance weight must be located no further back than firewall.
f) Steel engine must weigh a minimum 2250 lbs with driver after the race.
g) Steel engine / Aluminum Heads must weigh 2300 lbs with driver after the race.
h) Aluminum small block engine must weigh a minimum 2350 lbs with driver after the race.
i) Aluminum big block engine must weigh a minimum 2400 lbs with driver after the race.

OTHER
a) No car will qualify without Tech Inspector approval.
All cars must be available for inspection prior to the advertised time of the driver’s meeting.
Following the drivers meeting, covers of any type are prohibited until the feature is completed.
All race cars are subject to inspection by officials at any time.

SAFETY EQUIPMENT

SEAT BELTS
a) The use of at least a five point seat belt system including a crotch belt is required.
The system is to be mounted to the frame and not to the floor pan.
The mounts must be run at the same direction, as the belts are intended to secure the driver.
The belt webbing must be protected from any sharp cutouts
in the sheet metal or any other sharp edges.
The date on the belt must not exceed 3 years.
b) Seat belt webbing that comes into contact with any sharp or unradiused metal edge
must be protected from that edge by means of push on grip vinyl trim.
The areas of concern are the webbing slots in the metal racing seats.
All the seat manufacturers either roll the edge or supply the seat with trim
protecting the webbing from abrasion or cutting under impact conditions.
Webbing entry slots into the seat with an existing metal roll of one eighth inch (1/8”)
smooth radius will not require vinyl trim.
c) The areas where the webbing slot has been enlarged
by filing or cutting are of particular concern.
In most instances the edges have been left sharp, increasing the incidence of belt failure.
As racing seat belts are subjected to severe conditions, it is encouraged that worn / frayed
belts are replaced immediately and undamaged belts are replaced every 24 months.
The date sewn into the webbing should be used as a guide.
Damaged belts will also not be permitted.

OTHER
a) There must be no sharp or protruding edges in or around the cockpit,
which would impede the driver’s rapid exit from the car.
b) A headrest (behind the head) with padding is required.
c) A right head net in the absence of a padded right headrest is required.
Head nets must be equipped with quick release mechanisms.
d) There must be a marked electrical kill switch in reach of driver.
e) There must be a marked fuel shut off valve in reach of driver.
f) All drivers must wear a clean one or two piece fire resistent driver’s suit,
quilted or with underwear, head socks, gloves, foot socks and shoes to approved specifications.
g) An undamaged Snell SA95 or newer spec full face helmet is mandatory for all events
including track packing.
h) All crews must carry an operable fire extinguisher of 20 pounds marked with
the car number in 2 inch (2”) numbers / letters in the rear of their transporter,
capable of extinguishing gas and oil fires. For pitside or highway emergencies.
i) Neck collars or similar restraints are suggested.
j) Arm restraints are suggested.
k) Flame retardant seat, roll bar, knee and steering pads or padding are required.
l) Driver’s suits, gloves, shoes and helmets must be presented at Tech inspection.
m) All cars must have an approved fire extinguisher securely mounted within reach of the driver