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Sunset
Speedway 2009 Late Model Rules
DISCLAIMER
The rules and/or specifications set forth herein are
designed to provide for the orderly conduct of racing events and to establish
minimum acceptable requirements for such events. By making application for a
competitor permit, it is deemed that the competitor agrees to become familiar
with these regulations and abide by the directions set forth and prescribed by
Management. No express or implied warranty of safety shall result from
publications of, or compliance with these rules and/or specifications. They are
intended as a guide for conduct of the sport and are in no way a guarantee
against injury or death to participants, spectators or others.
THE
INTERPRETATION OF THESE RULES WILL BE SOLELY THE JUDGMENT OF THE
TRACK OFFICIALS & TECH STAFF IN CHARGE AND THEIR DECISION WILL BE FINAL
Any
part of the car not specifically mentioned or covered in these rules must remain
STOCK. Stock parts are those found in the OEM PARTS BOOK (original equipment
manufacturer), not those found in high performance or off-road racing books.
Any cars being teched will be allowed to have only one driver and one mechanics
present in the tech area plus the person protesting.– no one else will be
allowed. Any harassment from any driver and/or crew member to the tech staff (or
any other track official) may result in an automatic disqualification, thus
forfeiting all money earned that night
DECISION
OF TRACK OFFICIAL IS FINAL
ONCE DISQUALIFIED YOU WILL REMAIN DISQUALIFIED
Abiding
by the following set of rules will enable everyone concerned to make the
upcoming race season at SUNSET SPEEDWAY a more enjoyable event for all those
involved.
REMEMBER:
STOCK MEANS STOCK - NO EXCEPTIONS!
TECHNICAL
SPECIFICATIONS
The word stock when used herein, shall mean unaltered, as factory available and
produced by the OEM for the make, model and year of the car being raced. That
excludes all after market “High Performance” parts, and all decisions and
rulings shall be based on data obtained from the Canadian Service Data Book and
other OEM Specification Book.
1)
Body Style
A)
Any north American built car: fiberglass, aluminum or steel
B)
No jeeps, station wagons or convertibles.
2)
Body Appearance
A)
Body must be stock appearing and in stock position on the frame. Bodies are
to
be template style; 5 Star, ARP etc.. Body must be after market and made of
steel,
aluminum or fiberglass. Rubber front and rear bumper covers are
recommended.
No wedge style, slab side or high performance bodies or DIRT
noses
allowed.
B)
When using a fiberglass roof, min. 20 gage sheet metal below the roof in
driver
compartment area recommended. No carbon fiber body parts permitted.
C)
Wheel opening flares cannot extend past scrub rails. Wheels or tires must not
extend
outside
body or scrub rails.
D)
Absolutely no bars shall extend outside of body panels including the grille
and
bumper with the exception of side scrub rails. Side bars must extend no
further
forward than the rear of front wheel opening, and no further rearward
than
front of the rear wheel opening, maximum 1"x2" welded or bolted to
roll
cage.
No sharp edges. When bolting on scrub rails, you must use carriage bolts
(or
round-headed bolts), if hex head bolts are used, they must be counter sunk.
E)
Grille and headlights must retain original appearance.
F)
Minimum ground clearance is 4"(four) inches at the lowest point of body
or
skirt
and 5"(five) at the frame to the ground, excluding front cross member but
including
ballast weight (without driver).
G)
Body height will be a minimum of 46 inches, measured 10" behind top of
windshield
on roof centerline (without driver).
H)
Crush panels, minimum of 40 thou. aluminum can be used to separate the
body
panels and windshields from the interior.
I)
Rear spoiler 5" maximum height, and maximum width of 62". Any lip on
top
edge
of spoiler is included in the 5" maximum height. No bracing or side pods.
At
the point in which the spoiler bends and goes vertical, it cannot exceed
beyond
the edge of the rear deck and must follow the contour of the rear deck
lid.
Maximum spoiler height is 39" as measured from the ground to the top of
the
spoiler with a 46” roof height and 40” with a 47” minimum roof height.
J)
Cars must be equipped with a cable or chain, front and rear to pick the car
up.
K)
Doors must conform to original shape and be securely mounted using bolts,
rivets,
and or welding. No sheet metal screws.
L)
Hood must resemble stock hood in appearance. Original manufactured hood
scoops
only allowed. Exterior hood hinges allowed and must have 3 front hood
pins.
If hood is removable, it must have 2 front with center hold down or have 3
front
and 2 rear hood pins .(No carbon fiber hoods or bodies panels allowed).
M)
Trunk deck lid must be hinged or easily removable to have easy access in
case
of fire.
3.
Battery:
Must
be anchored securely and separated from driver’s compartment by firewall.
One
12- volt battery only.
4.
Bell Housing Clutch and Flywheel:
Stock
type steel single disc clutch and flywheel units must not be drilled or
machined.
Stock type clutch and pressure plate, minimum 10“ diameter. Disc
may
be puck type, no aluminum. Nodular flywheels are allowed. Must have an
NHRA
steel bell housing, Sema 6.1 flywheel shield or scatter shield of 1/4"
steel.
Must be mounted over the clutch and flywheel 360o
between
the bell
housing
and the floor. No scatter shield inside the car permitted. At your own
option,
bell housing should have an inspection plate for easy inspection of
clutch.
If there is no inspection plate on the bell housing, you may be required to
remove
the transmission for clutch inspection. Minimum flywheel weight of
14lbs.
Mandatory ½" hole in bell housing for turning flywheel when whistling
your
engine.
5.
Brakes:
A)
Four wheel hydraulic brakes in good working condition are compulsory.
B)
Four-wheel discs allowed.
C)
Dual master cylinder with balance bar allowed.
D)
No aluminum calipers or alterations of calipers and rotors. Steel single
piston
calipers and minimum 3/4” rotors only. Steel caliper mounts only.
E)
No brake fluid cooling devices containing a pump.
6.
Bumpers:
Must
be original type, securely fastened with all metal bracing and /or
reinforcing
concealed behind bumpers. Must not be wider than width of body.
Must
be minimum of 15" and maximum of 18"from ground measured from the
center
of the bumper. No cut-off ends.
7.
Chassis and Suspension:
A)
Unless otherwise specified all suspension parts are to be stock with no
modifying.
B)
Body, engine and chassis are interchangeable.
C)
Absolutely no offset chassis allowed. Perimeter chassis only.
D)
Wheelbase will be a minimum of 104" on full frame chassis. The frame
rails
can
be shortened to meet this measurement. Wheelbase must be within 1 inch
from
one side to the other side (I.E. 104" minimum, 105"maximum) of the
car at
all
times. This is tolerance for alignment purposes only.
E)
Fabricated rear clips are allowed.
F)
A factory production stock front clip may be used from the firewall forward.
Fabricated
front clips are allowed but must meet the following specifications:
tubular
front clip rule 2"x3" or 2"x4". Factory front clips must
extend from in
front
of the steering box rear ward to the main rail. Frame may be built out of
2"x3"
or 2"x4", minimum .095" wall thickness. Where the main frame
rail ends, forward may be built out of smaller material if desired to
accommodate mounting of the front bumper. This will be referred to as
the bumper crush tube.
Lower
control arms must remain in stock position and will be checked on a
regular
basis with a portable measuring devise.
Stock
steering box is mandatory; no rack and pinion.
After
market center link may be used.
Aluminum
tie rod sleeves may be used.
Hiem
joint tie rod ends may be used.
Cross
member vertical side members must be a minimum size of 2"x3"
rectangular
tubing and a wall thickness of no less than .095".
Cross
member bottom horizontal piece must be minimum size no smaller than
1.5"x
3" x.095" wall thickness.
G)
Chassis rails must be of equal distance from the centerline of car. Main frame
rails
must be no less than 24” outside of rail to center line of chassis.
H)
Chassis from firewall rearward may be fabricated from no less than 10"
circumference
by .095" box tubing. No holes drilled for lightening purposes.
I)
Front coils, strut rods and sway bars may be interchanged, provided they fit
original
mounting and are not altered from stock appearance and position. Sway
bar
must be mounted to lower control arm and may be adjustable. Struts may use
heim
ends but must have the strut to frame link mount to the rear (Ford).
J)
Maximum 4 load bolts may be used.
K)
Hubs may be drilled for larger wheel studs. Minimum of 5/8" wheel studs
mandatory.
L)
No coil over suspensions allowed. No coil over eliminators.
Minimum
4" O.D. coil springs allowed. Spring rubbers may be used.
M)
Cars must use stock type cast, forged, or fabricated solid pin spindles. Steel
hubs
only, no aluminum hubs.
N)
Steering arms may be altered to fit steering linkage.
O)
Any steel front upper control arms may by used. Upper control arm shaft
must
be stock type steel or aluminum. Sliders are allowed. No heim ends.
P)
Stock O.E.M. lower control arms must remain in stock mounting position.
Left
lower control arm can be altered in length to assure positive camber.
Measurement
from grease nipple to mounting hole in frame must be within 1
inch
of factory specifications at all times. Lower control arms cannot be reversed
from
side to side. Ball joint can be realigned to eliminate binds.
Q)
One shock per wheel. $175 American (new price not used) per shock or less. Be
prepared to prove it!
8.
Drive Line: Steel Drive Shafts Only
Must
have steel 360-degree retaining loops 1/4 by 2" positioned at the front
and
rear
of the drive shaft within 6"of each u-joint. No chains. Drive shaft must
be
painted
white or fluorescent. No accessories may be driven off or attached to
drive
line.
9.
Engine
A)
V8 engines only. Sealed crate part #88958602 permitted.
B)
Maximum size is Chrysler and AMC 360, Ford 351 and Chev. 350 cubic
inches.
Maximum overbore of .060".
C)
Engine Location:
For
a 104" to 107" wheelbase car engine must be located where the front
most
spark
plug must be centered or ahead of the upper ball joint line with 0
tolerance.
Wheelbase over 107" have 1" of tolerance.
D)
Minimum engine height of 11" from center of crankshaft to ground level.
E)
Camshaft- Hydraulic flat tappet cam only allowed. Offset camshaft key
allowed.
Must run stock size lifter bore for engine being run, no sleeving.
Chrysler's
exempt. No belt- drive systems permitted. No multiple gear drive
systems
permitted.
F)
Cylinder Heads:
1)
Stock O.E.M. or World Products cast iron straight plug only. No other
after
market cylinder heads allowed.
2)World
Products cylinder head part #43600-1, #43610-1, casting# I-052 is
allowed
for GM.
3)
No porting, polishing or port matching of cylinder head, intake or exhaust
manifolds;
and no porting, polishing or relieving under the valves. Stock Only.
4)
No special lightened valves. No titanium valves. No turning of valve stems. A
undercut
valve may be used. Ball method used to test valve stem to seat
clearance.
Ball size is .787 for intake and .531 for exhaust.
5)
No GM angle plug heads.
6)
No GM head with cast number 292.
7)
No Chevy bow tie heads. GM Vortec heads only on sealed crate engines.
8)
The maximum valve sizes as measured across the valve are as follows:
General
Motors : Intake - 1.94” Exhaust - 1.60”
Ford
Cleveland : Intake - 2.04”Exhaust - 1.65”
Ford
Windsor : Intake - 1.94” Exhaust - 1.64”
Chrysler
Corp. : Intake - 1.88” Exhaust -1.60”
9)
Stock only diameter valve springs.
10)
Rockers must be stock for engines. 1.5 to 1 ratio on GM engines.
11)
Screw in stud and guide plates allowed. No stud girdles or rev kits.
G)
No dry sumps.
H)
No aluminum blocks.
I)
Engine must use factory specs for bore and stroke. 6" rods
allowed, no
aluminum
or fluid dampers, OEM steel elastomer - type balancers only.
Aluminum
pulleys allowed. no knife edging or bull nosing.
Minimum
damper size on a crate engine is 6 3/4”.
J)
Pistons -
Any
flat top.
K)
Intake Manifold -
These
manifolds must remain as manufactured. No port matching or flow work
permitted. Manifolds must not be painted. All part #’s are current
design Edelbrock Performer series intake manifolds. 1st design manifolds with
the same part # are not permitted. Approved: Chevy #2101,
Chrysler
#2176, Ford Cleveland #2750, Ford Windsor #2181 Adapter to be one pc. solid
with no modifications and with gasket not to exceed a thickness of 1.25".
L)
Exhaust:
1)
Use stock cast iron 2 ½”maximum outlet manifolds, after market cast iron
manifolds, Schoenfeld #135, 135H or 145 headers or ALLSTAR ALL34200
aftermarket cast iron manifolds. Built motors must add 50lbs penalty weight
for headers.
2)
Notching of cross member allowed to accommodate exhaust manifold. Cross member
must be properly plated so it is not weakened.
3)
No polishing or matching of ports, must bolt to head without spacers and
remain
in stock position. No inverting of manifolds.
M)
Exhaust:
1)
The maximum O.D. of the exhaust tubing is 2 1/2" up to muffler and 3”
after
muffler
with manifolds
2)
Pipes must be firmly mounted and exit behind the driver. Pipes to be cut flush
to
the body and above the frame rail or turned down at the exhaust end and exit
under
car. If using mufflers with a 3” enter and exit a step up tube may be used
for
a max. of 6”. Magna flow #11219 (3” inlet, outlet) or Magna flow #11216
(2.5”
inlet, outlet) recommended, mandatory at Mosport.
3)
No collector pipes, 2 into 1 or collector boxes allowed. Cross over is
allowed.
N)
Fuel Pump:
Mechanical
pump only.
O)
Fuel:
The
gasoline shall not be blended with alcohols, ethers, or other
oxygenates
and it shall not be blended with aniline or its derivatives, nitro
compounds
or other nitrogen containing compounds. No NOS system.
Must
be SUNSET track gas.
P.
Carburetors
One
R4412-500 C.F.M. Holley factory stock produced two barrel
carb.
only. The only changes allowed are jets; power valve and removal of
choke
parts. Two throttle return springs and stop are mandatory. Carb. hats
allowed.
Air cleaners are mandatory. An accelerator toe bar mandatory. Air
filters
boxes are permitted. No boost venturi below the throttle plate. No ram air
systems.
A quick-change jet kit (part #3425 float bowl) may be used. No Keith
Dorton
performance carburetors.
Holley
factory stock measurements are as follows:
Ÿ
Metering
block must have the following ID# stamped on it. Factory stock
#5924
or#5925. The #10570 will appear on replacement or service metering
blocks.
Ÿ
Metering
block power valve channel restriction ports (2 holes behind the
power
valve) maxi. .0635"
Ÿ
Metering
block idle feed restriction ports (2 holes) maximum: .035"
Ÿ
Metering
block main passage to discharge nozzle (2 holes) maximum: .141"
Ÿ
Main
body high speed air bleeds (2 holes) maximum: .028"
Ÿ
Main
body idle speed air bleeds (2 holes) maximum .074"
Ÿ
Butterfly
(throttle plate) thickness: .0398" - .0438"
Ÿ
Hole
in butterfly: .090"-.096"
Ÿ
Butterfly
must have stamped on it ID#215
Ÿ
Throttle
shaft diameter .368"-.369"
Ÿ
Throttle
shaft thickness at flat of shaft: .152"
Ÿ
Venturi
bore diameter: 1.373"-1.377"
Ÿ
Boost
venturi inner bore diameter .377"-.383"
Ÿ
Boost
venturi outer diameter .610"-.630"
Ÿ
Throttle
bore diameter 1.6855"-1.6865"
Ÿ
all
air entering the engine for combustion purposes must enter through the
air
horn of the carb
Q)
Distributor and Ignition:
1)
Battery operated ignitions only.
2)
Car must be self-starting and have an ignition kill switch on left and right
side
of
dash. Kill switch must be painted red within reach of driver on left hand side
of
car.
3)
Stock single-point distributor and stock type coil allowed. No dual points.
4)
OEM electronic ignition may be used and require stock type coil and stock
type
ignition modules. (No Mallory or MSD type systems allowed.)
5)
No traction control devices allowed.
10.
Starter:
Race
cars must be self- starting. NO push starting. Starter must be in stock
position
and functional.
11.
Firewalls:
A)
Interior: all flammable materials must be removed.
B)
Front firewall does not have to be original, but must be min. 22-gage steel.
Passenger
side of fire wall may be moved as far back as the front of the roll
cage,
to allow for easy access to drive line, and may be .045" aluminum.
C)
A metal firewall of 22-gage steel must be securely fitted over the rear seat
back
brace. The top shelf behind the driver’s seat to completely close off the
trunk
compartment and may be constructed of .045" aluminum.
D)
All sheet metal work must be neat and properly fitted. All holes are to be
covered
with sheet metal either welded or riveted.
E)
Floor must be complete and have all holes covered with sheet metal. Step up
over
transmission / drive shaft tunnel to the right roll cage uprights can be
maximum
height 10" from driver’s floor and of minimum 22-gage steel.
F)
The rear deck panel, dash, and above the drivers shoulders may be .045 thou
aluminum.
12.
Fire Control:
A)
Cars must have a 2 1/2 lbs minimum fire extinguisher with a steel or
aluminum
head mounted in a steel mounting bracket and be bolted down, and
within
driver’s reach with seatbelts fastened. Fire extinguisher must be serviced
and
inspected each year and dated no later than January 1st of the current year.
B)
Fire Suit
Driver’s
fire suit is mandatory. No coveralls. Driver and suit must maintain
clean
looking appearance. Racing gloves, contoured neck collar, balaclava,
underwear,
socks, shoes and Hans or Hutchins type devices are highly
recommended.
No nylon shoes allowed.
13.
Fuel Cell:
A)
Fuel Cell Mandatory.
B)
Fuel cell must be mounted between the frame rails (no notching of the rails
allowed)
and the bottom must be mounted with no less than 9“ ground clearance.
Fuel
cell must be secured with steel straps made of 1" x 1/8" or
equivalent, not
less
than two lengthwise and two crosswise, full 360 degrees.
C)
Fuel cell must have left side, right side and rear hoop protection bars,
minimum
1 3/4" x .095" tubing.
D)
Fuel cell must have a one way check valve in the vent line and have a shutoff
valve
installed which is accessible to driver and safety crew. Must be clearly
marked
OFF, ON.
E)
Gas cap must have an appropriate attaching line to prevent its loss. Attaching
line must be steel. Ground
strap
from tank to chassis is mandatory.
F)
Steel fuel lines must be used and neoprene can be used for connection
purposes
only. Must be securely fastened under floor. No copper lines. Metal
fuel
filters only. Oil line to gauge must be braided, copper or steel line.
14.
No plastic lines.
instruments:
Oil
pressure and heat gages mandatory.
16.
Paint and Lettering:
All
cars must be neatly painted. Numbers assigned by the track must be painted
on
both sides of the car and roof, in minimum 24" high by 3" wide
letters (roof
numbers
read from right side) of a color offering a distinct contrast to the color
of
the car. No trick numbers. 4" numbers on both headlight and tail light
caps
required.
Block type numbers 6" high, white in color, must be displayed on the
upper
right hand side of the windshield.
17.
Radiators:
Must
be in stock location and include a 1-gallon metal overflow can securely
mounted
ahead of engine firewall, and under hood. No antifreeze. No remote
rads.
18.
Rear End and Suspension:
Any
three or four point hook up may be used. Lower arms must not exceed 30"
from
mounting holes on rear end to mounting holes on frame. Upper arms must
not
exceed 30". Rubber biscuits allowed at one end of trailing arms. Pan hard
bar
must
be a one-piece solid. Heim joints allowed.
A)
Rear ends to be welded, mini spool or full spool only. No aluminum or
titanium
parts excluding the spool.
B)
Rear ends are interchangeable (ie: Ford to Chev)
C)
Floaters with steel or aluminum hubs recommended.
D)
Rear ends must remain in stock position and centered.
E)
No ratchet rear ends. No traction assist or control devices allowed.
F)
No cambered rear ends allowed.
19.
Roll Bars:
A)
Cage must be constructed of 1 3/4 inch round steel minimum out side
diameter
by .095" wall thickness.
B)
Four point cage compulsory.
C)
Base of uprights must be electric or mig welded to frame of car.
D)
Cage must be braced to the rear frame kick-ups and diagonally between the
rear
uprights.
E)
A transfer bar between the rear diagonal and the front frame optional.
F)
A minimum of four horizontal bars must be inside the left side door and three
bars
inside the right door and a minimum of two vertical bars between each
horizontal
bar. Minimum 40” length by 14" high, 16 gage metal between door
bars
and body skin on driver’s side is mandatory on all cars.
G)
A center overhead bar running fore and aft between transverse members is
compulsory.
H)
No pipe fittings allowed.
I)
All roll bars in the driver’s area must be properly padded and taped with
foam
rubber.
J)
Left leg protection bar must be installed between roll cage and left front
rail.
All
welds will be subject to the approval of the tech inspectors.
20.
Safety Belts and Harness:
A
quick release lap belt of no less than 3-inch width and 3-inch shoulder
harness
is
mandatory. Belts must be securely fastened to frame and/or roll cage with
minimum
1/2" inch grade 5 bolts. Crotch belt mandatory. Seat belts must be
dated
within the last 3 years or be in excellent condition. No one piece steering
columns.
2 U-joint minimum. Padded steering wheel hubs mandatory.
21.
Safety Helmet:
A
Snell 2000 SA or newer approved racing safety helmet and complete driver’s
fire
suit must be worn in all practice and race events. Goggles and full face
helmet
highly recommended.
22.
Seat:
An
aluminum racing seat must be used, bolted to roll cage, not bolted to the
floor.
When mounting seat use minimum 3/8" bolts with large washers to hold
racing
seat, to seat framework. Minimum of two bolts on the seat back and two
bolts
on the seat bottom. Seat must be positioned completely to the left of the
centerline
of the car. An approved head restraint must be made of some energy
adsorbing
material. Headrest side plates recommended.
23.
Tires:
All
entries are required to use a brand of tire as approved by track management.
24.
Transmissions:
A)
Any manual stock OEM transmission that bolts up to stock engine without
alteration.
No special engine transmission adapter plates permitted. All gears
must
be operational.
B)
Automatic transmissions, must remain stock as produced, cooler is highly
recommended.
Torque converter must be stock and be a minimum of 10"
diameter.
25.Weight:
Car
weights are 55% maximum left side and 50% maximum rear. All ballast
weight
must be mounted safely and securely, no lower than 5" ground clearance.
All
weight must be labeled with car number and painted white. Added weight
must
be in block form in no less than five-pound blocks. Cars will be weighed
and
teched after racing as they come off the racetrack with driver in car and
without
topping up fuel. . Minimum weight at Sunset is
2,900
lbs. for a sealed crate engine. 3,000 with a maximum compression ratio of
9.5
to 1, 3050 lbs with a compression ratio of 9.6 to 1 to 10.0 to 1 and 3150 lbs
for
a Ford with headers.
26.
Racing rim only:
Maximum
width 8 inches. No aluminum, magnesium or wide 5 bolt pattern
wheels.
No wheel spacers allowed. Minimum weight 17lbs.
27.Windshield
,Window Net:
A)Windshields
must be safety glass with 4 safety clips or lexan. No Plexiglas
allowed
B)Window
net mandatory with minimum 3/8 inch rod. Must have quick release
latch.
C)Window
pillars must be approx. stock width and location.
D)
Front windshield center bracing mandatory. No exterior bracing, front or
back.
Minimum two, and must be on the inside of the car.
E)
No added film spray tinting permitted. Minimum side window openings 22"
length
x 14 ½” height.
F)
No obstruction of driver’s view, in or out of race car, with the exception
of the
top
4"of the front windshield for track sponsor decal. No letters or numbers
on
the rear window.
28.
Mirrors:
One
rear view permitted.
29.
Radios:
Two
Way radios allowed.
Thank
you for choosing SUNSET SPEEDWAY
Wes
Good (Track 705-436-2445)
(Office 905-936-2224)
(Cell 416-999-5009)
Thanks
to
Bill
Feeney
Ted
Gray
Tye
Williams
Don
Gregory
Wally
Longney
For all of their advice, input and help compiling these
rules.