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15112 National Pike, Hagerstown, MD 21740
PHONE (301) 582-0640 VM#201 FAX (304)-274-6722
2014 4-Cylinder Rules
Dirt Capitol LLC
DIVISION SPECIFICATIONS
1.
RACE PROCEDURE:
A.
B.
C.
D.
E.
F.
2.
11 Competitors and under will have a second warm up session that will be under
time.
The fastest time will draw first.
All 11 competitors will draw for feature starting positions.
If there are 12 competitors or more then heat races will be heads up.
Raceceivers are required during all races in the 2014 season
Transponders are required during all races in the 2014 season
CARS:
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
Any year car permitted
Gremlin, Vega, Toyota, Plymouth Arrow, Dodge Colt, Pinto, Etc.
NO Trans Am, Camaro, Convertibles, Roadsters, or Station Wagons Allowed
MUST have 102 Inch Wheelbase
NO rear engines, coil overs or setback engines allowed
MUST have a hole cut in the dash 6”x6” on the left hand top with a removable or
hinged lid
MUST have 16 gauge steel or .080 Aluminum plate on outside of driver door
This is a 22” x24” MINIMUM plate
MUST have 16 gauge steel or .080 Aluminum under driver feet from pedals to
drain hole under seat
MUST have 3 bars of ½” diameter, square or round in front of driver.
THE DASH OF THE CAR CANNOT EXCEED 16 INCHES BACK FROM
THE CENTER OF THE WINDSHIELD AND SEVEN INCHES DOWN
TOWARD THE FLOOR (16” X 7”)
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3.
SUSPENSION:
.
A.
B.
C.
D.
E.
F.
G.
H.
4.
MUST have complete stock suspension
Shackles on rear leaf spring not to exceed five inches
Coil Spring adjusters are permitted but wedge bolts are not allowed.
NO heim end joints on suspension
ALL mounting brackets MUST be completely stock and MUST be in original
location
ALL suspension parts MUST be completely stock with the exception of the
following:
1.
Top A Arms may be cut for camber gain
2.
Top trailing arms may be cut for pinion angle MUST be the same length
3.
May replace stock bushings with steel or Teflon
4.
Racing Springs, Shocks, and Racing Struts will be permitted.
No tubular or aftermarket cross member suspension.
Stock front cross member suspension
BODY REQUIREMENTS:
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
M.
N.
O.
P.
MUST remain stock appearing
Hood, Doors, Quarter Panel, Fenders, and Trunk can be fabricated using metal or
aluminum.
NO Rub Rails
One Hoop behind front bumper and neat appearing
Full front and rear firewalls and floorboards
A sheet metal cover MUST be placed over the trunk firewall and must follow the
original contour of that model car.
Front Fire Wall and Floor Pan must be original. Fire Wall and floor pan may have
a hole cut in them to run exhaust through.
Interior may be box in using metal steel or aluminum with area on the right side
of car for driver to exit through door window opening.
NO rear view mirrors
Rear of car body must be closed in from deck to frame rails and no holes or
hinges permitted.
All side panels must have factory lines and brakes.
No straight of flat side panels.
NO front wheel bodies on rear wheel drive cars
Skirting will be permitted.
1.
A minimum of 5 inches clearance from the ground to the bottom below
both doors of car and any other area used on the car.
Aluminum, steel, or lexan spoilers are allowed
1.
NO ends or sides allowed on the spoilers
2.
3” Tall, 58” Wide, 37” Ground to top of deck, 40” ground to top of spoiler
Aluminum or steel bodies permitted but must be stock appearing
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5.
ROLLCAGE:
A.
B.
C.
D.
E.
F.
G.
H.
6.
ENGINES:
A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
M.
N.
7.
Each car must have a full roll cage
1.
Minimum of four bars on driver’s side
2.
Minimum of three bars on passenger side
Pipe must be of 1 ½ inch O.D. mild tubing or mild steel, with a minimum of 0.095
wall.
ALL points must be welded to the frame
1.
A ‘X” bracing MUST be installed behind the driver and attached to the
main cage
Small window bars MUST be used on both front side windows from the top hoop
down to the upper door bars
Driveshaft holders MUST be used
1.
MUST be painted white
2.
Attached to the roll
ALL doors and hatches MUST be welded shut
1.
Two or Three inch box tubing (four sides) used to tie in the front frame
with rear sub frame
Roll cage MUST be welded to the sub frame
Box tubing may be extended front and rear for strength
Stock ignition, no dual overhead cams or flat top pistons
Car must be self-starting at all times
Cooling system cannot stick out of the hood and MUST be in front of the engine
One radiator
NO aluminum engines or rotary engines
Aftermarket rods and crank may be used
Headers are permitted and must have an external muffler
1.
Which must be attached to the end of the exhaust pipe with no
modifications of any kind.
Ford Aluminum heads are allowed with stock intake.
Head will be checked
1.
Head #M-6049-E23A D
Port Rollers Cams and Roller Rockers can be used.
NO ARCA or SVO Heads allowed.
Ford Production intakes only.
Holly intakes allowed no porting or polishing.
Esslinger intake E2724-5K Iron Head Holly Manifold ok with no porting or
polishing allowed.
ENGINE LOCATION:
A.
It needs to be in the original location from stock.
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8.
CARBURETORS:
A.
B.
C.
D.
E.
9.
DRIVE SHAFT:
A.
B.
C.
D.
E.
F.
10.
C.
D.
E.
F.
G.
H.
I.
J.
ALL exposed fuel lines in the interior of the race car must be covered
Fuel Line must be in steel pipe 1 ½” diameter from firewall to firewall
1.
It is to be on the rights side of the car away from the driver and mounted
to frame or floor pan.
NO wires in pipe
Fuel cells must be ten (10) gallon maximum
Gasoline or Racing Gasoline ONLY.
No Fuel Additives.
Fuel cells MUST be in a steel box located in the trunk.
If using an electric fuel pump it MUST be wired into the oil pressure switch
Fuel cell MUST have two straps around the entire fuel cell that have to be a
minimum of two (2) inches wide.
Gasoline and Racing Gasoline can be checked at anytime.
CLUTCH:
A.
B.
C.
12.
The drive shaft must be a minimum of two inches (2”) in diameter.
All drive shafts must be painted white.
Only one drive shaft is permitted.
A minimum of one (1) driveshaft hoop / sling must be fastened securely to the
frame. It is recommended that two (2) driveshaft hoops / slings be used.
No aluminum
Steel ONLY
FUEL:
A.
B.
11.
Stock Holley (4412) 500 CFM Carburetor with 1.375 Venturi and 1.687 Throttle
bore
Maximum 2” spacer (1”Spacer/1”Adapter = 2”) with (2) Paper gaskets 0.60
thickness
NO Cutting or grinding allowed with the exception of choke removal
MUST set straight NOT turned
Must have choke horn
ALL cars/trucks MUST have safety approved blow proof bell housing
Any type of clutch and flywheel is permissible but MUST have stock
transmission with forward and reverse working gears.
NO automatic transmissions allowed
BRAKES:
A.
ALL cars MUST have four wheel sliding brakes
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B.
C.
D.
E.
F.
G.
H.
13.
REARENDS:
A.
B.
C.
14.
No winter tires.
Tires not to exceed body panels.
American Race Tires only
McCreary dirt or asphalt allowed.
BUMPERS:
A.
17.
8” wheels with 13x8 tires maximum allowed.
Approved. Race wheels are permitted.
Bead locks allowed
TIRES:
A.
B.
C.
D.
16.
Stock unaltered rear assemblies, which may be locked
NO four link
NO changing housings
WHEELS:
A.
B.
C.
15.
MUST be completely stock
NO aftermarket brake cylinders, rotors, and/or calipers
Stock brakes for that make of car ONLY
NO aluminum brake components or 4 wheel disc
Disc brakes are allowed on front only
NO disc brakes on rear
Brake proportion valve adjuster ok, front to rear bias only
Stock bumpers maximum two inch square tubing or 1 ½ inch round tubing behind
the bumpers
SAFETY:
A.
B.
C.
D.
E.
F.
G.
H.
5 point Safety belt system, including crotch belt MUST be race approved
1.
And attached to the roll cage
Racing seats are mandatory and als must be mounted to the roll cage
Battery MUST be in battery box and strapped securely
Approved Helmets with face shield
Driver’s side window net MUST have a full size window net and must be race
raced approved nylon net.
ALL glass removed
NO seat belts over 36 months/3 years old are to be used
NO driver shall compete in any event with head or arm extended outside of a
closed body race car.
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I.
J.
K.
L.
M.
N.
O.
P.
Q.
R.
S.
T.
U.
V.
W.
X.
Y.
Z.
AA.
BB.
CC.
DD.
All belts and harnesses must be secured to the framework of the car, have
frequent inspections and be kept in sound condition at all times.
All belts shall be of the quick release type, no thread through type belts will be
permitted.
Installation per manufacturer’s specifications and 5 point harness not more than 3
years old.
Driver suits are mandatory. Double layer HIGHLY RECOMMENDED.
Driver gloves & shoes are HIGHLY RECOMMENDED.
Drivers must wear a helmet carrying at least a valid SA 2000 standard SNELL at
ALL times on the race track including but not limited to track packing, warm ups,
and competitive events.
Any modification to the helmet, for any purpose, should not detract from its
effectiveness.
A master kill switch shall be placed on the rear speaker deck of all 4 cylinder race
cars.
This kill switch must have a bright circle or contrasting color around it for easy
access and recognition for the emergency personnel.
All crews must carry an operable fire extinguisher of 20 pounds marked with the
car number in 2 inch numbers/letters in the rear of their transporter, capable of
extinguishing gas and oil fires.
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.
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 1/8 inch smooth
radius will not require vinyl trim.
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 36 months.
The date sewn into the webbing should be used as a guide.
Where the seat belt date is known to be “new old stock”, it is acceptable practice
to extend the replacement date on that set of belts to 36 months from date of
manufacture.
Damaged belts will also not be permitted.
All belts shall be of the quick release type, no thread through type belts will be
permitted.
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EE.
There must be no sharp or protruding edges in or around the cockpit, which would
impede the driver’s rapid exit from the car.
FF.
A headrest (behind the head) with padding is required.
GG. Neck collars or similar restraints are suggested.
HH. Flame retardant seat, roll bar, knee and steering pads or padding are
recommended.
II.
No batteries located in the driver’s compartment.
JJ.
Battery MUST be in box and strapped securely
KK. NO driver shall compete in any event with head or arm extended outside of a
closed body race car.
LL.
Fire extinguisher must be mounted within drivers reach.
MM. All drivers must attend the driver’s race meeting each week.
18.
DRIVER COMPARTMENT:
A.
B.
C.
D.
E.
F.
G.
H.
H.
I.
19.
TOW CHAINS:
A.
B.
C.
20.
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..
All cars must have a quick-release type steering wheel.
All cars must have a working starter, operated from inside the car.
No mirrors are permitted.
No radios are permitted in the car or on anyone connected with car.
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 else that could snag the driver’s suit when the driver exits the car.
A substantial rock guard steel screen must be mounted in front of the driver to
protect him from flying debris, and rocks.
Tow chains are mandatory and must be on both ends of the race
NO EXCEPTIONS!
Chains ONLY
APPEARANCE:
A.
All cars must comply with the following identification and markings
requirements:
1.
Numbers must be at least 18 inches high and neatly painted on both sides
of the car on the center of door.
2.
A number 18 inches high must be painted on the roof, reading from the
driver’s side.
3.
The use of number decals is acceptable if the number is legible.
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21.
TRUCKS:
A.
B.
C.
D.
E.
22.
BALLAST:
A.
B.
C.
D.
E.
23.
G.
H.
I.
J.
A minimum weight limit is in effect.
This weight limit is with driver at the finish of the race without adding fuel.
The weight limit is 2200 pounds.
Scales will be available for weighing at any time during the racing event.
Officials have the right to weight a car at any time.
The Speedway's certified scales will be the official weighing device for all
sanctioned races.
Competitors must abide by the track scales.
Ballast or weight will be allowed, but must be securely fastened, as stated below.
If a car fails to make the legal weight following a racing event, car and driver will
be disqualified and additional penalties as officials deem necessary.
Must remove helmets and lower window nets before crossing scales, to properly
identify driver.
MUFFLERS:
A.
25.
Each ballast weights MUST be made of lead and secured by bolting
MUST be bolted on the car frame or roll cage at floor pan, with two (2) blots in
each weight.
Bolts that have to be used are ½” minimum grade “5” and NO other thread
allowed.
NO WIRE TIES, NO TIE STRAPS, NO SAFETY WIRE, ETC.
All lead ballast MUST be painted white and have your car number on each piece
WEIGHT LIMIT:
A.
B.
C.
D.
E.
F.
24.
Any Mid-sized truck (1982-1998)
Truck rules same as the 4-cylinder car rules listed
Only cutting allowed is for minor wheel clearance and fuel cell
Truck beds can be covered by steel
ALL suspension mounting must remain in original location.
All cars are required to be equipped with mufflers
DRIVER COMPARTMENT:
A.
B.
C.
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.
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.
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D.
E.
F.
G.
H.
I.
J.
K.
26.
MISCELLANEOUS:
A.
B.
C.
D.
27.
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.
DEVICES:
A.
B.
C.
D.
28.
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..
All cars must have a quick-release type steering wheel.
All cars must have a working starter, operated from inside the car.
No mirrors are permitted.
No radios are permitted in the car or on anyone connected with car.
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 else that could snag the driver’s suit when the driver exits the car.
A substantial rock guard steel screen must be mounted in front of the driver to
protect him from flying debris, and rocks.
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.
Any remote controlled components inside or outside the cockpit of any
competitor’s race car are NOT permitted.
No data acquisition systems are permitted.
Any competitor found with any of the above will be fined could be disqualified
and suspended for up to a year.
PENALTIES:
A.
B.
At any time the conduct of any team member or driver is a discredit to the
speedway, the racing industry, or to himself, he may be removed from all racing
activity at the speedway.
The driver is responsible for all the people associated with his car or signed in
with the car.
**NOTE:** This is a stock class, if it doesn’t say you can do it, then you CANNOT do it.
THE OFFICIAL'S INTERPRETATION OF THESE RULES SHALL BE ACCEPTED AS
BINDING.
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NOTE: ANYTHING NOT COVERED IN THESE RULES WILL BE UP TO THE
DISCRETION OF THE SAFETY OFFICIALS WITHOUT RECOURSE FROM DRIVERS OR
OWNERS. ALL OF THE PRECEDING RULES ARE SUBJECT TO REVISION. THE
OFFICIAL IN CHARGE RESERVES THE RIGHT TO MAKE DECISIONS AND JUDGE
ACCORDINGLY. RACE DIRECTOR HAS THE RIGHT TO REFUSE ANY CAR OR
DRIVER THAT DOES NOT MEET SPECIFICATIONS.
Disclaimer:
This technical rule packet maybe amended before or during the racing season if it is necessary.
Any future edition of these rules will immediately supersede this one and have full precedent
over the rule that is stated. The official Dirt Capitol LLC management’s interpretation of any
rules on any unspecified areas will be final. 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,
any by participation in these events, all participants are deemed to have complied with these
rules. No express of implied warranty of safely 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 race official.
The Race Director shall be empowered to permit minor deviations from any of the specifications
herein or impose any further restrictions that in his opinion do not alter the minimum acceptable
requirements. No express or implied warranty of safety shall result from such alteration of
specifications. Any interpretations or deviation of these rules is left to the discretion of the
officials. Their decision is final.
ALL RULES ARE SUBJECT TO CHANGE AT ANYTIME!
We hope to see you in the 2014 Racing Season at Hagerstown Speedway!
Good Luck to ALL racers!
Dirt Capitol LLC