RULE BOOK DISCLAIMER
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/her opinions 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. Their decision is final.
2019 STREET STOCK RULES
2019 revised rules will supersede all previous Batesville Motor
Speedway Street Stock rules.
TECHNICAL INSPECTIONS - The top four (4) finishers in the main event
and any other racecars as instructed by officials, are required to
report to a designated area after the completion of the main event
where mandatory and varied post-race technical inspections will be
required to take place. At the discretion of the BATESVILLE MOTOR
SPEEDWAY officials overseeing the event, any participant may be
disqualified by the official for violation of any BATESVILLE MOTOR
SPEEDWAY rule and/or equipment or action(s) deemed to be hazardous
to other participants or officials. All racecars are subject to
inspection by an official at any time. Any driver whom refuses to
allow any inspection by an official, or terminates an inspection in
progress, shall be subject to a fine of one thousand dollars
($1,000), suspension from all events for fourteen (14) days, loss of
all points earned to-date for the current season and forfeiture of
all cash and/or awards earned at the event. Any illegal part
discovered through inspection will be subject to confiscation by an
official and forfeited by the driver.
For first infraction, driver discovered to be using illegal parts of
any kind shall be subject to loss of all points earned at the event
and forfeiture of all cash and/or awards earned at the event.
For second infraction, driver shall be subject to a fine of one
thousand dollars ($1,000), suspension from all events for 14 days,
loss of all points earned to date for the current season and
forfeiture of all cash and/or awards earned at the event.
For third infraction, driver shall be subject to a fine of
twenty-five hundred dollars ($2,500), suspension from all events for
one (1) year, loss of all points earned to date for the current
season and forfeiture of all cash and/or awards earned at the event.
Confiscated parts are subject to being sent to manufacturer for
inspection. Failure by the driver to surrender any illegal part for
confiscation shall result in a separate penalty, in addition to
other applicable penalties under this rule. All measurements must be
made while the race car is stationary on a flat horizontal surface.
TRANSPONDERS & RACECEIVERS: RaceCeivers and transponders are
mandatory. RaceCeivers must be worn at all times when on the track.
Transponders must be mounted on the bottom left side front bumper
support frame horn area in front of radiator core support area.
EXCEPTIONS - USRA, and IMCA Legal Stock Cars will be allowed to run
with the BATESVILLE MOTOR SPEEDWAY Street Stocks so long as the car
is 100% USRA Legal or 100% IMCA Legal. For USRA Stock Car Rules,
please visit www.USRAracing.com for the complete USRA Stock Car
Rules. For IMCA Stock Car Rules, please visit www.imca.com for the
complete IMCA Stock Car Rules.
NESMITH Street Stocks will be allowed to run with the Batesville
Motor Speedway Street Stocks so long as the car is 100% NESMITH
Legal. For complete NESMITH Street Stock rules, please visit
SAFETY - Drivers should have in their pit area as part of their
equipment, at all times, a fully charged dry chemical, Halon (or its
equivalent) fire extinguisher. Ten (10) or thirteen (13) pound fire
extinguishers are highly recommended. Driver must wear required
helmet, head and neck restraint system, fire suit, fire resistant
gloves, shoes and five-point safety harness whenever the racecar is
on the racetrack.
Helmets are mandatory and must be certified to Snell
SA2010/FIA-8860, Snell SA2015/FIA-8860, SFI 31.1/2010 or SFI
31.1/2015 is REQUIRED. Helmet must accompany driver and racecar at
time of inspection. Complete one- or two-piece fire suits of a
flame-retardant nature are mandatory. A fire suit certified to SFI
Spec 3.2A/5 is strongly recommended. SFI approved fire-resistant
gloves and shoes certified to SFI Spec 3.3/5 are mandatory. Fire
resistant socks are strongly recommended. The use of a five- six- or
seven-point driver restraint system (safety belts, sub-belt and
shoulder harness) is required.
Factory-type shoulder belts or straps are not allowed. The use of a
seven- point driver restraint system certified to SFI Spec 16.1 or
16.5 is strongly recommended. Metal to metal buckles are required on
shoulder and seat belts. Shoulder harness must be mounted securely
to the roll cage. Where the belt passes through the seat edges, a
grommet must be installed, rolled and/or padded to prevent cutting
of the belt. Driver restraint systems must be no more than two (2)
years past the manufacturer's date. Full-size window net mounted in
the left side driver's window opening is mandatory. Window net
mounts must be welded to the roll cage. Window nets certified to SFI
Spec 27.1 are strongly recommended and must be mounted in accordance
with the manufacturer's instructions and technical director's
satisfaction. All bars around the driver must have approved roll bar
padding. Approved racing arm restraints are recommended. Must be
certified to SFI Spec 27.1. Fire-resistant safety neck collars are
Head and Neck Restraint Devices/Systems are recommended. 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, and must be acceptable to
track officials. 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
It is the responsibility of the driver, not Batesville Motor
Speedway, to ensure that his/her device/system is certified to SFI
Spec 38.1, correctly installed, maintained, and properly used.
It is recommended that each racecar have built-in fire extinguishing
equipment, but cannot be of the dry powder type (must be Halon 1211
or equivalent), or be equipped with a fire suppression system. If
utilizing a Fire Suppression System, it must be equipped with a
thermally deployed automatic fire suppression system. The fire
suppression system will consist of a DOT approved cylinder
manufactured from aluminum or steel with a capacity of ten pounds
(10lbs.) of fire extinguishing agent, steel or steel reinforced
lines, and two (2) thermally activated discharge nozzles. All
systems must meet or exceed SFI 17.1 specifications. Systems must be
fully charged with ten pounds (10lbs.) of DuPont FE-36, 3M NOVEC
1230, or Fire Aide and display a legible and valid SFI and
manufacturer label depicting fire extinguishing agent, capacity, and
certification date. Cylinders that or beyond useful certification
date must be inspected, serviced and re-labeled by the manufacturer.
Cylinders must be mounted forward of the fuel cell. Cylinders must
be securely mounted to the frame/roll cage assembly. The
certification label must be unobstructed and easily accessible for
inspection when the mounting is complete. The cylinder must be
connected to the nozzles with steel or steel reinforced lines. Two
(2) thermally activated nozzles must be used. One (1) nozzle must be
located directly above the fuel cell in the fuel cell area and the
second nozzle must be located in the driver cockpit area. An
optional engine bay nozzle may be added. An optional manual override
cable may be added to the system
APPEARANCE - All racecars must be numbered with large legible
numbers on both sides, on top and on the nose and rear panels.
Numbers on the sides of the race car should be in contrasting color
from the body and be at least four (4) inches thick and at least
eighteen (18) inches high. Top
numbers should be at least four (4) inches thick and twenty-four
(24) inches high. Officials reserve the right, in the public image
of the sport and/or BATESVILLE MOTOR SPEEDWAY, to assign, approve or
disapprove any advertising, sponsorship or similar agreement in
connection with any event. All cars must be neat appearing and are
subject to approval of officials to compete. By competing in an
event, all drivers agree to comply with the decisions of officials
in this regard.
FRAME - Johnson Chassis X-Y-G tubular metric frame will be allowed.
All tubular frames and components are serial numbered. Any tubular
frame and or components without the serial number will be considered
illegal. Any frame or repair clip found altered could result in
severe fines and suspensions. Must meet and pass WatchDog inspection
NO-GO Fixtures and templates. Minimum wheel base of 101" and must be
stock for the body. 1" tolerance on wheelbase from side to side but
must not be less than minimum. 101" cars must remain stock on 3-link
and pan hard bar. Frame must match the body make (i.e. metric frame,
metric body). Must be stock in all aspects and remain unaltered with
exception of utilizing the X-Y-G Tubular metric frame. Rear of frame
behind rear axle may be replaced with two-inch by three-inch steel
tubing with .095-inch wall thickness. Original suspension mounts
must remain intact, unaltered, and in stock location. Maximum 3"
Height Spring Buckets allowed to allow for weight jack cup.
Spring must remain in stock location and spring may not protrude
above original stock mounting position. Maximum rear coil spring
height is (16") sixteen inches. Racecar must be same generation
frame and body. (Exception is: 1980 or newer Ford uni-body may be
installed on Ford full frame and shortened to minimum 108-inch
wheelbase. No tolerance.) Original suspension mounts must remain
intact, unaltered, and in stock location. Uni-body cars must tie
rear frame to front frame. Lead weight may be added but must be
painted white and be marked with car number and bolted to the frame
in a safe manner. Weight cannot be mounted inside driver's
compartment above bottom of window opening.
ROLL CAGE - Four-point roll cage required. Cage must be frame
mounted. Minimum of three bars in driver's door. Roll cage must be
cross braced. Cage must be minimum of 1 1/2 " steel tubing with
minimum wall thickness of .095. Front and rear hoops are allowed.
Aluminum and/or other soft metals are not allowed. Roll bar
connections must be properly welded. Roll bars within the driver's
reach must be padded with an accepted material as determined by an
official. Fire retardant material is highly recommended.
Installation and workmanship must be acceptable to officials. With
helmet on and driver securely strapped into the racing seat, top of
driver's head must not protrude above the roll cage. May have two
bars for protection in front of radiator. Must be located behind the
front bumper and within the confines of the body and may be no wider
than stock frame horns. Front horns may be tied together. All front
and rear bars must be inside the body. A minimum of one cross bar in
top halo of roll cage is required. Steel door plate with eighteen
(18) gauge or forty-nine one-thousandths (.049) inch minimum
thickness metal must be securely welded the driver side door bars.
Plate must extend from the top door bar, to the bottom door bar, and
must extend from the back of the seat to 6 inches in front of the
seat. Must be visible for inspection. A tow hook on both the front
and rear is required.
CAR/BODY - Any model rear wheel drive American made production car.
All cars and bodies must be stock appearing. Roof and A & B pillars
must be OEM style. No flat late model or modified style roofs. Hoods
must be OEM style, may be fiberglass or aluminum. Rear deck lids
must be OEM style, may be aluminum. Fenders, doors, and lower rear
quarter panels may be aluminum but must maintain original body line
contour and remain stock appearing. No slab side bodies. Cars may
use aftermarket nosepiece and tailpiece but must remain stock
appearing. No wedge noses. Plastic front nose side allowed, must not
extend past center of front wheel well. Flare may not protrude more
than 2" outward or above the standard contour of OEM Fender. Rear of
car must have center section completely enclosed. No holes in tail
piece. Minimum 1-3/4" diameter tube front bumper will be allowed
w/aftermarket nose but must remain behind nose piece and attach at
original position. No mirrors or reflecting device of any kind. All
glass, chrome, trim, moldings, etc, must be removed. Windshield must
be removed and replaced with a gravel screen or minimum of three (3)
windshield bars in front of driver. Gutting of inside panels and
front inner fenders will be allowed. Must have stock OEM or OEM
style steel floor pan in stock location or a fabricated floor pan is
okay. Firewall may be stock or constructed of minimum .049" steel
and must be complete side to side. Trunk pan may be removed. Relief
may be cut for fuel cell and for engine set back only. All doors
must be bolted or welded shut. A rear firewall is required between
the driver compartment and gas tank. Trunk lid must be secured.
Interior on right side of car may be enclosed but must have 12" x
12" trap door for inspection. Seat must be mounted in front of the
original front door post. Maximum 6 inches high spoiler allowed no
wider than the body. Spoiler may be braced on both ends and have one
center brace no more than 6" high and 12" long and must be
triangular in shape. The maximum height from the ground to the top
of the rear deck at the top of the rear quarter panel is forty-three
(43") inches **May run NeSmith bodies but must be complete NeSmith
COCKPIT - Loose objects and/or weights are not allowed. Air bags are
not allowed. Rear view mirrors are not allowed.
SEAT - Factory-manufactured aluminum racing seats are mandatory and
must be acceptable to officials. Homemade aluminum, plastic or
fiberglass seats are not allowed. Must be properly installed and
seat back cannot be moved back further than rear edge of quarter
post. High-back aluminum seats only. Full containment racing seats
are strongly recommended.
SUSPENSION - GM must run GM suspensions, Ford on Ford, etc. Tubular
front non-adjustable all-steel, upper a-frames allowed. Speedway
Motors 3 pc spindle will be allowed with OEM style steering arm.
Front lower control arms must be unaltered OEM or OEM style
non-tubular, non-adjustable approved aftermarket direct replacement.
No aluminum parts. No bird-cages. No sliders. No traction devices of
any kind, no torque arms, no lift bars etc. One steel
non-adjustable, unaltered shock per wheel. No bump stops allowed
(internal or external), no air, remote reservoir, bulb type, or
schrader valve shocks allowed. No coil over eliminators. Adjustable
weight jacks allowed, must be in original centerline of spring
tower; OEM upper A-frame mount may be moved or replaced with
after-market steel mount matching upper A-frame bolt on design; OEM
or OEM replacement ball joints allowed. For 1978-1987 GM mid-sized
metric frames, OEM upper A-frame may be replaced using one-piece
after-market upper A-frame. Shock location may be moved and may go
through center of after-market upper A-frame. Front spring tower may
be notched for shock clearance. Single hole shock mounts only. Rear
shocks may be mounted to install weight jacks. Only one single
mounting point on the car for rear shocks; additional mounting
points not allowed. Ballast built cups, widgets, spring-loaded cups,
and/or double spring cups are not allowed. Front adjustable spring
spacers are allowed. Suspension mounts OEM and in OEM location.
Maximum rear coil spring height is (16") sixteen inches. Rear
trailing arms must be non-adjustable OEM or non-adjustable approved
aftermarket direct replacement. Trailing arm bushings must be
installed and must be OEM type. Lower trailing arms must be at least
19" center to center and the same length. Lower trailing arm mount
on rear axle may be no more than 3 1/2 inches from bottom of axle
housing to center of bolt and must be same height side to side.
Upper trailing arm mount may be no more than 3 inches from housing
to center of bolt. Front upper and lower trailing arm mounts must be
in stock OEM unaltered location. Sway bars OEM and in OEM location
and non- adjustable on rear. No suspension travel limiting devices
(chains, straps, etc). Any suspension stops are not allowed. No
underslung rear suspension bars allowed.
SHOCKS - Shocks must be AFCO 79 SERIES SPEC SHOCK or 72 SERIES SPEC
SHOCK. Only shock package legal
STEERING - Must be OEM and remain within original bolt pattern for
type of frame used. May be modified to suit driver but must remain
on left side of cockpit (no center steering). Removable steering
wheel and steering quickener allowed. Plastic couplings are not
allowed. OEM rack and pinion steering allowed if car was originally
equipped. No aftermarket rack and pinion units.
BRAKES - Standard steel rotors only. No Scallop or gun drilled
rotors. Solid rotors are not allowed. No exotic brake systems. Must
be operating on all four wheels and must lock up all four wheels
during inspection. Must have caliper and vented rotor on all four
wheels. Both front calipers must match. Both rear calipers must
match. Electronic brake actuators are not allowed. Must be OE
operative four-wheel drum or disc brake combination. Rotors may not
be lightened. Rear rotors may be aftermarket 0.810 inch thick (new).
Floating brakes are not allowed. All brake lines must be outside
frame rails and visible. Brake shut-off and/or pressure sensitive
devices are not allowed. One proportioning device (front to rear
only) is permitted. Must maintain minimum OEM dimension for hubs,
rotors, brake pads and calipers. No added ballast on any rotating
parts. No titanium, magnesium, carbon fiber or tungsten products. NO
glowing rotors are allowed.
REAR ENDS - Rear ends may be locked. 8" or 9" Ford may be used on
all car makes. Floater rear ends are allowed. No traction control
devices. No ratchet rear ends or torque dividing differentials. No
cambered rear ends allowed. Axle Tubes must be OEM and same diameter
and length side to side. Ballast may be added to rear end tube but
"MUST" be secured with two (2) bolts. Maximum of 40 lbs. total
ballast will be allowed. No titanium, magnesium, carbon fiber or
DRIVESHAFT - Minimum 2" diameter drive shaft retained with a steel
safety strap. Must be painted white and made of steel. A loop is
required and must be constructed of at least one-quarter (1/4) inch
by two (2) inch solid steel. Loop must be mounted no more than six
(6) inches from the front of the drive shaft tube. Alternatively,
two (2) loops of one-quarter (1/4) inch by one (1) inch solid steel
fastened to cross member are allowed. Yokes must be made of steel.
WHEELS - Must be fifteen (15) inches in diameter and eight (8) or 10
(ten) inches in width. Tire must match wheel width. Must be
reinforced steel only. A steel bead lock may be used on the right
rear wheel only and may be mounted on the outside of the wheel so
long as it does not add over three-quarters (3/4) of an inch to the
overall width of the wheel. Homemade mud caps are not allowed. Wheel
covers are permitted on right side wheels only. Inner mud plugs are
permitted. Aluminum Spacer or adaptor only, offset wheel or a
combination of the two is permitted, but may not exceed two (2)
inches total offset per wheel. Three tabs of no more than two (2)
inches long each may be welded onto the wheel for mounting of mud
cap. Bleeder valves are not allowed. No Wide-5's. Added ballast to
any wheel is not allowed. No rotating weight allowed. Aluminum wheel
spacers only. No enlarged spacers, bolt pattern size only.
TIRES - Asphalt take offs only. Tire must match wheel width. May
re-groove tires. Tires must durometer minimum 55 hardness. Softening
is not allowed. Solvents of any kind are not allowed. Altering tires
with any components or chemicals, which alter the manufacturer's
baseline-settings of the tire, is not allowed. Grooving and/or
siping is permitted. All sidewall markings must remain visible at
all times. Buffing or removing of the compound designations is not
allowed. Added ballast to the inside of any tire is not allowed.
TIRE TESTING PROCEDURES - All tires must "Cold" durometer a minimum
of 55 prior to pre-race inspection, no tolerance allowed. After any
race the tires must "Hot" durometer 50 or above. Any tire reading
below 50 will result in a disqualification for that race and will be
subject to tire testing. Any tire "Hot" that durometers higher than
60 will be subject to tire testing. Any tire not meeting the
durometer rule reading is subject to having a tire sample sent in
for chemical testing. Track tech official will have the driver take
nine different samples of the tire under the tech official's
observation and one witness and place three samples each into three
different bottles. These bottles will be sealed and placed in an
evidence bag and sealed with the identifying numbers on the seals
and evidence bag number will be documented on a Tire Sample
Collection Form with the sample date, track name, drivers name,
address, tire information written on the form. The driver, tech
official and the witness will sign the form. The driver will retain
one of the samples for further testing if needed, along with a copy
of the form. One sample will be sent to the accredited laboratory
for testing. One sample will be held by track officials for further
testing if needed. Track officials will be notified of the results
of the test as soon as they are provided to the accredited
laboratory. The driver will then be notified of the results and any
other action that may be required based upon the results. Traces of
chemicals and/or excessive quantities of chemicals found to be
outside the baseline on any test shall result in the following
For first infraction, driver shall be subject to a fine of one
thousand dollars ($1,000), suspension from all events for fourteen
(14) days, loss of all points earned at the event and forfeiture of
all cash and/or awards earned at the event.
For second infraction, driver shall be subject to a fine of
twenty-five hundred dollars ($2,500), suspension from all events for
one (1) year, loss of all points earned to date for the current
season and forfeiture of all cash and/or awards earned at the event.
This penalty also applies to driver refusal of a tire test. Refusal
of tire test shall be treated the same as an infraction. Official(s)
may inspect any tire on the racecar and/or any tire in possession of
the driver in his/her pit area and/or hauler (in other words, if you
have "doped" tires then do not even bring them to the track). It is
strongly recommended that all drivers use only soap and water.
Baking tires will not eliminate traces of illegal substances.
Batesville Motor Speedway will aggressively test for illegal
substances and will levy severe punishment for infractions relating
OPTION 1: CRATE ENGINE - GM Performance Parts (GPP) factory-sealed
CT400 Chevy small block crate engine (Part No. 88958604): includes
8-quart circle track oil pan with dual kick-out design, valve cover
breather kit, open-plenum high-rise intake manifold, 1.5:1-ratio
aluminum roller rockers, forged steel crankshaft, hypereutectic
pistons, 23degrees Fast Burn aluminum heads and special "kool nut"
rocker arm design. Must be unaltered and sealed from factory at
appropriate points (intake, head, timing chain cover and oil pan)
with approved GPP break-off bolts. "Only" GM Performance Crate Motor
Specs will be followed during technical inspections. Any altered,
damaged or missing GPP break-off bolts will result in driver being
disqualified from that event, loss of all track points accumulated
up to, and including, the date of the offense, a $1,000 fine and a
one-year suspension from all events. May utilize one (1) Holley
4-barrel carburetor. Use of a spacer between carburetor and intake
is optional but must be no more than one (1) inch thick if used and
may not be throttle bore adjustable. Aerosol carburetors are not
permitted. Any driver running a "Standard" engine with a "Crate"
sticker will be disqualified. Bert, Brinn, and Falcon, and Mitchell
Machine Bullet Transmissions with internal clutch are allowed on
crate motor. Must utilize a maximum 6800 RPM rev limiter. (Rev limit
may be subject to changes if needed). Rev Limiter may not be within
reach of the driver while in cockpit and must be easily accessible
to officials at any time.
OPTION 2: BATESVILLE MOTOR SPEEDWAY STREET STOCK 360 SPEC ENGINE -
Must be stock appearing. Absolutely no changes are allowed. Must use
stock firing order for that make and model (GM to GM, Ford to Ford,
etc.). Titanium is not allowed. Must appear strictly stock for that
model and make and in the original mounts. Parts for 400 cubic-inch
or larger engines are not allowed. Stroke must match block. Only
stock appearing crankshafts are permitted. Lightweight cranks are
not allowed. Undercut, bull-nosed, gun-drilled and/or knife edge
crankshafts are not allowed. Lightweight, aluminum and/or fluid
dampeners are not allowed. Only flat-top or dished pistons are
permitted. Aluminum or light weight is not allowed. A minimum two
(2) inch plug above the oil level in the side of the oil pan is
recommended. If not utilizing a plug, oil pan will have to be
removed at time of inspection.
Absolutely no stroking allowed. Only stock, unaltered two-or
four-barrel low-rise cast-iron intake manifolds or approved aluminum
intakes are permitted. Approved aluminum intakes are: GM-Edelbrock
(#2101 or #2701) or Weiand (#7547 or #7547-1); Ford - Edelbrock
(#2121, #2171 or #2665) or Weiand (#7515, #8023 or #7516); Chrysler
-Edelbrock (#2176) or Weiand (#7545 or #8022). Porting, polishing
and/or port machining is not allowed. Bowtie, aftermarket, SVO and
W2, marine, VORTEC or other special production intake manifolds are
not allowed. Cast iron stock production or aftermarket steel stock
replacement heads are permitted. Porting and/or polishing is not
allowed. GM cars must utilize 76cc heads (approved head numbers are
336, 339, 388, 441, 454, 487, 624, 813, 882, 991 and 993).
Aftermarket head numbers are: GM-EQ (Part #CC167ES2 or #CH350I),
Dart (Part #10024267 or #10024360) or World Products (Part #043600
or #042670); Ford World Products (Part #53030; Chrysler-EQ (Part
#CH138B) or RHS/Indy (Part #20300 or #20301). Chryslers may utilize
OEM steel or aluminum shaft rockers but may not exceed one hundred
twenty (120) pounds of valve spring seat pressure and must maintain
OEM valve spring dimensions. Heads may be flat milled to reach the
10.5:1 compression rule. Valve size no larger than 2.02 intake and
1.60 exhaust. VORTEC heads are not allowed. Beehive valve springs
are not allowed. Roller cams and lifters are not allowed. Roller
rocker arms are permitted. Must be a maximum 10.5:1 compression. May
be a maximum of 360 cubic inches (368 c.i. for Dodge). GM five and
seven-tenths (5.7) inch or six (6) inch rods are permitted. Must be
stock-appearing I-beam non-polished rod.Cap screw rods are
permitted. Mushroom lifters are not allowed (stock diameter only).
Must match make and model. Stud girdles are not allowed. May utilize
one (1) Holley 4150 HP Series, four-barrel carburetor. Use of a
spacer between carburetor and intake is optional, but must be no
more than one (1) inch thick if used and may not be throttle bore
adjustable. Aerosol carburetors are not allowed. Must utilize a
maximum 7400 RPM rev-limiter. (Rev limit may be subject to changes
if needed). Rev Limiter may not be within reach of the driver while
in cockpit and must be easily accessible to officials at any
time.*Any driver caught altering the rev limiter or ignition system
in any way so as to defeat the rev limiter rule shall receive a
30-day suspension, loss of all track points for the night and a
$1,000 fine for the first offense. *Second offense shall be a
one-year suspension, loss of all track points for the season and a
OPTION 3: STANDARD ENGINE - STANDARD ENGINE - NO ALUMINUM HEADS.
Steel blocks only. Must be able to be used in a conventional
passenger car without alteration. Aluminum intake is allowed.
Headers allowed. No Tri- Y headers. Tip of number one spark plug
must be even or in front of installed upper ball joint. Oil pump
must be in stock location and OEM. No dry sump systems. Exhaust
system and /or mufflers must be mounted in such a way as to direct
spent gasses away from the cockpit. No lightening or external
machining of block or heads. (Rev limit Rule may be added during the
season or future if needed). Bert, Brinn, Falcon, and Mitchell
Machine Bullet Transmissions with internal clutch will be allowed
with Engine Option 3 and 50 lbs of weight must be added (25 lbs on
each upper frame tube measured 12" on center in front of engine
plate to center of weight). Weights will not exceed 12" in total
length. NO BALL SPLINE TYPE ALLOWED.
CARBURETOR - Cars utilizing engine option #3 Standard Engine must
use 2-barrel carburetor. No more than 500 CFM. Maximum 1-11/16"
throttle bore maximum. Carb "must" pass all top and bottom "go/no
go" gauges (boosters included). Holley's OK. Engine option #1 Sealed
crate engines and engine option #2 360 spec engines may use 4-barrel
as stated in rules. Maximum one-inch spacer under carburetor. No
aerosol type carburetors allowed. No remotely adjustable
spacer/adapter plate between carburetor and intake manifold. All air
should pass through the venturi of the carb.
STARTER, TRANSMISSION & CLUTCH - Starter must bolt to engine block
or factory location.
Approved aftermarket transmissions are Bert, Brinn, Falcon,
RaceGator, and Mitchell Machine Bullet Tranny with internal or
external clutch. Aftermarket transmissions will be allowed with all
engine options listed. NO BALL SPLINE TYPE ALLOWED.
OEM three-speed, four-speed and automatic production-types are
Automatic transmissions must remain in OEM stock appearing automatic
case with a functioning stock appearing pump. "In and out" boxes are
not allowed. Ball spline transmissions are not allowed.
May all be clutch-operated or an OEM automatic with a coupler. May
use a hand or clutch pedal operated ball valve for neutral. Clutch
must be inside of bell housing for OEM production- type
transmissions. Internal clutches are not allowed except for approved
One (1) forward gear and one (1) reverse gear must be in working
order, plus a neutral position, and must be able to be shifted by
Aluminum flywheel is permitted. Must have full-sized SFI approved
explosion proof, aluminum or steel bell housing. Aluminum must be
SFI approved (Note: GM bell housing is not SFI approved). Flywheel
must bolt to crankshaft. Clutch must bolt to flywheel and clutch
must be workable. Mini clutch is allowed.
Automatic and aftermarket transmissions must have a guard
two-hundred seventy (270) degrees around flex plate or flywheel and
must be constructed of at least one-quarter (0.25) inch steel.
Alternatively, automatic and/or aftermarket transmissions may
utilize an SFI-certified aftermarket guard. Flex plates must be SFI
certified. With engine running and racecar in stationary position,
driver must be able to engage racecar in gear and then move forward
and then backward at time of inspection.
COOLING SYSTEM - Aluminum water pumps are permitted. Cooling system
may be modified. Sprinkler systems are not allowed. One (1) radiator
is permitted and must be mounted in front of engine. Overflow tubes
must be directed to the ground, between frame rails. Accumulators
and Accusumps must be mounted in the middle of the racecar or behind
the driver, but not on door bars. Top flow air cleaner housings are
permitted. Cold air boxes and/or air cleaner ductwork is not
allowed. Marine-type engine components are not allowed.
EXHAUST & MUFFLERS - Must be mounted in such a way as to direct
spent gases away from cockpit of vehicle and away from area of
possible fuel spillage. Use of mufflers is recommended. 'Zoomies'
and/or 180- degree headers are not allowed. Exhaust pipes must
extend to and connect with one (1) collector at least four (4)
inches long. Must remain dual exhaust. Crossover or 'Y' pipes are
BATTERY - Must be securely mounted and covered. One (1) 12-volt
battery only (no 16-volt batteries). Voltage converters are not
allowed. Must be in a marine-type case and mounted in trunk area.
Positive battery posts must be covered.
IGNITION - Aftermarket or OEM Distributors allowed. No adjustable
timing control or magnetos allowed. One MSD 6AL PN#6425, or MSD 6CT
PN#6427 Box Allowed. Aftermarket ignition module and coil allowed.
Track may confiscate and exchange MSD box at any time. Magnetos
and/or crank-triggered ignitions are not allowed. No more than one
(1) coil may be used. Kill switch required within easy reach of the
driver. The switch must be clearly marked "off" and "on". Ignition
box must be out of reach of driver. Digital gauges are not allowed.
STARTERS - Must be in working order and start racecar. Must have
capability of starting without being pushed or pulled. Must be able
to join event lineup on demand and unaided.
FUEL SYSTEM - Automotive gasoline, racing gasoline or E85 is
permitted (no E98). No Methanol fuel allowed. Additives of any kind
are not allowed. Penalty for illegal fuel is loss of points, cash
and awards earned for that event. May not be blended with ethers or
other oxygenates and may not be blended with aniline or its
derivatives, nitro compounds or other nitro containing compounds.
Oxygenated fuel is not allowed. Upper cylinder lubricants are not
allowed. Electric or belt-driven fuel pumps are not allowed.
FUEL CELL - An approved fuel cell (32-gallon maximum) must be used
at all times. Must be commercially manufactured. Boat and/or stock
automotive fuel tanks are not allowed. Must be securely fastened
inside trunk of racecar and mounted by at least two (2) one-eighth
(1/8) inch solid steel straps which are two (2) inches wide around
the fuel cell and above the level of stock trunk floor. Must be in a
steel container. Firewall must be between driver and fuel cell. All
mounts must be made of steel and attached to frame or roll cage.
Adjustable fuel cell mounts are not allowed. Must have check valves.
A ball- type, flapper, spring or filler rollover valve is mandatory
for fuel cells without a positive seal filler neck/cap system Fuel
lines passing through the cockpit must be enclosed in metal pipe or
metal conduit. Fuel filters are not allowed in cockpit. By 2020 Fuel
valve plate, fuel pickup and fuel return fittings must be on the top
of the fuel cell.
RADIATOR - Radiator and transmission coolers must be mounted under
the hood (aluminum allowed).
WEIGHT - The minimum overall weight for Engine Option 1 and Engine
Option 2 will be two thousand nine-hundred (2,900) pounds. The
minimum overall weight for Engine Option 3 will be three-thousand
(3,000) pounds. The overall weight of the racecar shall be measured
at the conclusion of an event with the driver in the cockpit,
wearing complete racing apparel.
BALLAST - No unsprung weight allowed anywhere on the car except for
the following location. Ballast may be added to rear end tube but
"MUST" be secured with two (2) bolts. Maximum of 40 lbs total
ballast will be allowed. No titanium, magnesium, carbon fiber or
tungsten products. May not be mounted in cockpit, or outside of body
or hood area. Must be securely mounted, "MUST BE" painted white and
clearly marked with the car number. Must be attached with at least
two (2) one-half (1/2) inch bolts. May not be attached to rear
bumper. Any car with ballast that is not painted white, have car
number and securely mounted will be subject to disqualification.