2008 Rules coming soon. See Forums for immediate information.
Florida Dirt Oval
Series
2007 Rules &
Regulations
Let us start off by reminding everyone
that even though we are all competing against each other, we are all here to
safely have fun first and foremost.
General
Rules & Regulations
Race Hosts should make all persons aware of locations of
fire extinguishers, First Aid kits and Emergency phone access.
For turn marshal safety all cars must have a front
bumper that is made of a shock absorbing material e.g. nylon, delrin, plastic,
kydex, etc. Front bumpers must be mounted in such a way that they will contact
an object prior to another portion of the car in a front impact.
All bodies must resemble real full scale race cars
running on dirt.
No silicone, silicone impregnated or rubber capped tires
will be allowed.
Rough driving will get you a warning the 1st time, and a
lap docked the 2nd.
Protests must be submitted in writing, include a $20 fee
for each protested item. Protests regarding engines/motors may involve tear down
if required or requested for inspection and the retail cost of items shall be
provided by protestor. Teardowns will be done at the end of all racing. Engines
and Motors will be marked for identification purposes at time of protest. All
protested vehicles will be impounded immediately after their final race until
inspection. Drivers failing to release vehicles for inspection will be
disqualified. During qualifying, only racers in the same class may file
protests. During Mains only racers in the same
The final decision regarding rule enforcement is at the
discretion of the race director. Good faith is expected of all parties involved
to keep within the essence of the rules.
NO metal to be added to any bodies or wings or used as
supports.
At no time is anyone permitted to cross the track during
a race to fetch or return a car from the infield. If caught doing this you will
not be scored for that race and 1 lap will be deducted from your best qualifier.
IF YOUR CAR IS BROKEN OR DIED IN THE INFIELD, LEAVE IT THERE.
Transponders:
- What the computer prints out is what the results are.
- We the FDOS and Tracks are not responsible for your
Personal Transponder failing to count.
Technical Inspection:
- Each event will have a pre Tech (cars will be teched
before the racing day begins).
- In addition after every race you must drop your car
off at the tech table before you go out to marshal if you fail to bring the car
to the tech table your time for that Qualifier or
Fuel
Classes
Nitro Sprint:
Sprint: Maximum Length is 18".
Must have scale appearing cage, hood, side panels, nerf
bars, and bumpers. Exhaust headers must appear on both sides of car in
"engine area" and be made of round stock or molded polycarbonate (left
side of nitro sprint is optional).
Must run top wing - maximum wing surface area is 6"
X 6" plus a 1/2" max rear spoiler, wing center section must be square,
no canted leading edges. Left side panel max 4" x 7" max., right side
panel 3.25" x 7". A 1/4" bend is allowed on top and bottom of
wing side panels but is included in max dimensions. A 3/8" max wickerbill
is allowed on rear edge of wing side panels. Wing
minimum height at leading edge 5" from bottom of chassis.
Front wing maximum surface area is 8 square inches with
max side panels of 3" long and 1.5 " high, max of 1"above
horizontal wing surface.
Rear cage side panels may be used but can not extend
beyond cage frame.
Maximum front bumper width is 4".
No lexan or
any other material may be mounted to nerf bars or bumpers that may assist as an
aero device.
max width 10.25
Wheelbase minimum is 9.5", maximum is 11.5"
Minimum weight is 56oz.
.12 cubic inch engines only
single speed only
All height measurements are from bottom of chassis
unless otherwise noted.
Late
Model(2wd):
Late
model bodies may have openings for cylinder head, fuel tank access, glow plug,
engine tuning, and exhaust outlets only. Maximum
rear spoiler chord is 2"including any molded in portion. A 1/4" wicker
is allowed on top of spoiler in addition to the 2". A left side dam will be
allowed with the following dimensions: Max length 14", max height is
2.5" above deck plus a 1/2" bend at top. Side dam leading edge must be
at least 3" behind center of front axle with wheels straight.
Leading Edge must be perpendicular or angle back (can not angle forward). Also
side dam must be mounted and braced securely at a 90 degree angle with at least
2 rigid braces. No flopping side dams allowed. A right side spoiler cap or side
dam is allowed and can be no longer than 2" forward of spoiler base and no
taller than top of spoiler. No additional wings, spoilers, wickers, flaps,
vents, doohickeys etc. can be added to body other than what is specifically
mentioned above. The body may not be altered in anyway from its stock
configuration ie: shortened, lengthened, narrowed etc. Reasonable modification
may be permitted to allow for cylinder head cooling only.
The following bodies are the only bodies that are
approved for use in the latemodel class.
Custom Works #9005 Pro-Mod Lumina
Custom Works #9006 Pro-Mod T-Bird
Custom Works #9012 Eldora Late Model *
McAllister #207 Tulsa Late Model
BMS Racing #TBA Shadow (pending)
Factory Works #7357 Concord Late Model
Factory Works #7353 Rocket Late Model
*Eldora roof must be in stock position, front and
rear windows may be left in or cut out.
max width 10.25
Wheelbase minimum is 9.5", maximum is 11.5"
Minimum weight is 56oz.
any .12 cubic inch engines or ae .15 or trx .15
single speed only
All height measurements are from bottom of chassis
unless otherwise noted.
4WD
Late Model:
Dimensions/Weight:
Wheelbase maximum, 10.75, minimum 9
Maximum Track width 9.25.
Maximum overall length, 22.
Minimum Weight, 60oz.
Chassis/Body:
Any 1/10 scale 4wd touring car/sedan chassis.
Chassis must be stock, OEM or aftermarket aluminum or
alloy, with stock fuel tank/engine/suspension mounting locations.
STOCK 75cc. fuel tank in STOCK location. Inserts not
required
ANY molded 1/10 scale late model body except
Maximum body width 9.250", measured across the top
of the front fenders and/or across the top.of the rear deck.
Tire tread/surface must be COMPLETELY COVERED when
viewed from above the car.
Windows may be cut out, but roof, A, B and/or C roof
pillars must be left intact.
Cut outs for fuel tank, carburetor tuning, shock towers,
and glow plug access are allowed (maximum 1 diameter).
NO cut outs will be allowed in the roof panel for
cooling head clearance.
NO cuts may be made into the upper fender/body (top of
wheel well) area to provide tire clearance.
Maximum rear spoiler chord is 2"including any
molded in portion. A 1/4" wicker is allowed on top of spoiler in addition
to the 2".
A left side dam will be allowed with maximum length
14", max height 5 above body deck including a 1/2" bend at top (max
height measurement also includes any molded in lip on the side of the body)..
Side dam leading edge may not be forward of the center
of front the axle with wheels straight.
Leading Edge must be perpendicular or angle back (can
not angle forward).
Side dam must be mounted and braced securely with at
least 2 rigid braces. No flopping side dams allowed.
A right side spoiler cap or side dam is allowed and can
be no longer than 2" forward of spoiler base and no taller than top of
spoiler.
Reasonable modification may be permitted to allow for
cylinder head cooling only, i.e. side window scoops, interior tunneling etc.
NO MATERIAL may be added to the molded body for the
purpose of covering tires, creating wickers, splitters, or spoilers other than
those specifically mentioned.
Front Bumper Width: Bumper can be up to 1/2" wider
than the front track width.
Side Bumpers: if any type of side bumper is used it may
not protrude through the body or pass the plane of the body side panels.
Engines/Exhaust:
ANY Small Block engine up to .18
Carburetors MUST HAVE a return device (spring, rubber
band) to close the carburetor in the event the linkage comes off.
Tuned pipes are ok - no internal moving/adjustable
parts.
Maximum stinger opening: 6mm
Stinger must be permanently welded to pipe. One stinger
only.
Tires/Wheels:
ANY TIRE except for capped, or silicone
coated/impregnated.
ANY wheel is allowed, with a maximum diameter of
2.2".
Maximum wheel width rear 2, Maximum front width
1.75
360
Sprint(big sprints):
General:
Car must resemble a Sprint car, and have a wing mounted
above a minimum of a four point roll cage.
* 2wd only
Dimensions
Wheelbase 9.5 -
12.5"
OA Max Width 13.0" Must run production Truck
arms
Wing must be mounted to the top of the cage. No wing
supports elsewhere on the chassis.
NO metal wing side panel: metal wing supports allowed as
wire only - no other metal wing supports allowed.
Center of top wing may be aluminum. Exposed/sharp edges
must be covered.
Wing:
No bi-level wings
Dimensions: 8.0 x
8.5" Max (including rear wicker) (maximum 68 sq.in.)
Left: 5.0 x 9.0" Max
Right: 4.0" x 9.0" Max
No wicker bills/additions to side panels allowed.
Front wing optional. Maximum 3.0 x 5.0". Maximum
front wing side panels 1.5" x 3.5"
Cage
Sprint car must have at least a 4 point cage that
resembles a drivers cockpit. Cage may be made of solid or tube stock. No vacuum
formed cages.
Must have rear bumper made of round stock.
Must have front bumper made of shock-absorbing material.
Max width: 4"
* RPM wide front bumper is allowed
Engines/Exhaust
Engine
* Any
Smallblock
Fuel tank:
.Any
Carburetors MUST HAVE a return device (spring, rubber
band) to close the carburetor in the event the linkage comes off.
Pipe
..Any (not to exceed local noise
requirements. 85db. Max recommended)
Tires
Any except for caps, silicone coated/impregnated, or
sectioned tires.
Wheels
Rear: Max diameter 2.2. Max width 2.5
Front: Max diameter 2.2. Max width 2.25 Weight
64 oz min. (cars can be weighed at any time)
Electric powered cars are limited to 6 cell sub-C NiMH or
NiCd Battery packs rated at 4200 mAh or lower. LiPo battery packs are not
allowed. Sub-divisions of these classes will be by Motor Type Stock Or
Modified. Stock motors shall conform to industry size standards, be commercially
available and be limited to 24 degrees of timing, have a minimum 64 inches of 22
AWG round wire Mabuchi cross wrapped for 27 continuous turns of wire per pole.
Modified motors shall conform to industry size standards. Brushless motors will
be allowed in Modified motor classes only.
Body:
Must have scale appearing cage, nerf bars, and bumpers made of round stock.
Exhaust headers must appear on both sides of car in "engine area" and
be made of round stock or molded polycarbonate. Must appear 1/10th scale.
Front
Bumper Width: Maximum 4
Wheelbase: 9 11.5
Maximum Width: 10
Maximum Length: 18
Transmission: 2WD 3 gear reduction or direct drive
Minimum Weight: 50 oz.
Tires:
Wheels: max width 1.75 (buggy tires)
Wings: Must run top wing, maximum surface area is 6 x 6, left side 4 x
7 max, right side 3.25 x 7. Wing minimum height at leading edge
5.5" from ground. Front wing maximum surface area is 8 square inches.
Body:
Any truck body
Front Bumper Width: Maximum 4
Wheelbase: 9 11.5
Maximum Width: 13
Maximum Length:
Transmission: 2WD 3 gear reduction
Minimum Weight: 54 oz.
Wheel: Minimum diameter is 2.2". minimum wheel
width is 1.8
Tires:
Spoilers: Maximum of 1" rear spoiler allowed, Must
be mounted to rear of deck lid only.
Side Dams: no higher than the top of the truck roof.
Body:
Modified bodies must leave front tires completely exposed and the rear tires at
least 1/3 exposed. No wheel cutouts are allowed on the horizontal plane of the
deck area of modified bodies. Modified nerf bars and rear bumpers are optional.
No front wings allowed. No additional lips or flaps are allowed with the
exception of a 1/4" bend at top and bottom of Side and Sail panel no more
than 45 degrees.
Front Bumper Width: Maximum 5 - must be mounted flat
and may not be angled up to act as a wing.
An additional front body panel is allowed on the front
of the car but may not extend past the bumper and may not be wider than
4.5"
Wheelbase: 9 11.5
Maximum Width: 10
Maximum Length: 22
Maximum Roof Height: 7.5 at highest point not
including spoiler
Maximum Body Height: 7.5 (at ride height). 1/2"
spoiler allowed on Roof but is included in 7.5" max.
Rear Spoiler Chord: Maximum 3
Maximum Side/Sail Panel length: 17 Side panels
cannot extend in front of front axle.
Transmission: 2WD 3 gear reduction
Minimum Weight: 50 oz.
Wheel: Maximum width 1.75 (buggy tires)
Tires:
Chassis:
Must be Touring Car Chassis
Body: Late Model
Wheelbase: 9 11.5
Maximum Width: 210mm - Wheels must fit under body.
Maximum Length: 19
Rear Spoiler: max 1.5 high
Rear Spoiler supports: max 1.5" high. Max Length
2.5". Front height of winglet must be within 1/4" of body.
Maximum Side Dam: Side dam not allowed.
Wheel: w/ Foam tires Max width is 1.377" (35cm), w/
Rubber tires Max width is 1.75
Points System
The
points system is setup to reward consistency across the various race track sizes
and surfaces.
All
races are 4 minutes in length.
The
Top Qualifier (TQ) receives 1 point in addition to their final standing.
The
Main Feature winner receives 100 points with a 2 point breakdown for the rest of
the field down to the 50 point mark. If a class has more than 26 entries, anyone
finishing below 26th will receive 50 points for participating.
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