Maximum c.u. disp 316 c.i.
(This allows for .60 over on a 305 block)
Chevy unaltered, 305 cast iron
blocks only. Must be O.E.M. no oversized
lifter boring allowed.
Heads any steel chevy 305 head
with 1.94 intake, 1.50 exhaust is legal.
No porting, polishing, or alterations to the
original casting in any way. No over
sizing of the valves is allowed. No
titanium valves, keepers, or other use of
titanium in the motor is allowed. No shaft
mounted rockers. Stud girdles will be
allowed. Head bolts only no studs. World
Product casting# 1-052 is legal. If you
need heads call Jocko’s Sprint Parts (515)
Flat top pistons only.
Steel connection rods only.
Wet sump oil systems internally
mounted only. No dry sump oil systems or
externally mounted oil systems allowed.
Crank 3.48 or 3.50 stroke only.
Must be stock appearing steel or iron only.
No lightning or knife edging of throws.
Fuel injection 2 3/16 diameter
maximum. You may sleeve a larger injection
down, but if sleeves are used they must be a
least 3” long and measure 2 3/16 from top to
bottom of sleeve. Anywhere in the sleeve
if you are beyond 2 3/16 you will be
disqualified. A fine of $250 must be paid
into the points fund before the driver can
compete again. One nozzle per cylinder and
it must be located above the cylinder head
intake port. No down nozzle’s allowed.
A single carbonator may be used in lieu of
Ignitions Magneto style or HEI
factory ignitions only. No MSD ignitions
Flat tappet cam’s only.
No roller lifters.
Fuel Methanol or Ethanol only.
No fuel additives allowed.
Protest Procedure – Fee $200
Only drivers may
file a protest and they must notify the appropriate
track official within five minutes of the FINISH of
the sprint car feature and $200 cash must accompany
If you are legal,
you will receive $150 for the gaskets and
reassembly. The remaining $50 goes to the tech
If a competitor
you protest is found illegal, your $200 will be
refunded. The $50 tech fee will be taken out
of the illegal driver’s winning for that event and
the remainder of his/her winnings for that event
will be split equally amongst all drivers finishing behind
the disqualified driver.
If you are
illegal, you will forfeit all monies earned that
officials, tech inspector, and one member of the
protesting team are allowed in the tear down area.
Only two members of the protested car are allowed in
the tear down area. (For definition purposes,
“members” include the driver as a crew member.)
& Other Rules
Cars must utilize a drive line
hoop or strap bolted or welded to the chassis.
No Carbon fiber or Titanium
parts or rotors allowed anywhere.
Drag Link may be made of
aluminum. All drag links must be tethered
to the chassis with a drag link strap.
Both ends must be attached with steel heim ends.
If drag link is made of aluminum, it must be 1
¼ in diameter.
Must start any event with both,
nerf bars, front bumper, and a solid attached
rear push bumper. Under no circumstances
may a car be push started with a loose, broken,
missing or unsafe push bumper.
No wings allowed. No
pieces may be added anywhere on the car that
track officials, in their sole discretion, may
determine to be an attempt to deflect, add down
force, be used as a rudder or alter the basic
handling characteristics of a non-wing sprint
All cars must race with a sprint
car appearing hood securely fastened at all
Wheelbase minimum is 83” and
maximum is 90”
A racing seat of aluminum
construction with “wrap arounds” on both
sides is required along with a safety head net
properly mounted is required on the right side
of the driver’s head. Unless you
run a safety seat with head wrap.
All cars must have an energy
absorbing material attached to the roll cage in
a permanent type manner to any area that the
driver’s helmet could come in contact with
during an on track incident.
All cars must run a fuel
tank. It must be securely fastened and
have a “safety bladder.” Track
officials may require a driver to alter,
replace, and/or reconfigure any fuel lines, tank
mounting, bladders, fuel shut offs etc., before
allowing said car to compete.
Tires any sprint car tire
All cars must run a sturdy
steel rock/mud screen at all times, securely
fastened from outside to outside of the front
roll cage and no more than 1” from the top of
the roll cage and the top of the hood.
All cars must be equipped
with a quick disconnect removable steering
Bottom of the top roll
cage bar must be 1” higher than the top of the
driver’s helmet with the driver in normal
belted seating position.
Mufflers will be left up
to the track we are racing on. They will
not be required unless the track we are at
There will be no weight
Wheels any sprint car
wheel is acceptable. Any width will be
All appropriate driver
safety equipment is required: an approved full
face helmet, Nomex driving suit, racing gloves
and racing shoes. In addition a neck
safety device is strongly recommended (i.e.
HANS, Hutchens, etc.). Also, either a 5 or
6 point belt system and arm restraints are
Track officials, at their
sole discretion, may reject any of the above
items or other items they deem are not within
the spirit of the rules and require alterations
before a competitor is allowed to race.
The above rules may not
cover every situation that may arise.
Track officials at their sole discretion, may
alter, amend, or add any rule or interpretation
of a rule they deem necessary for the benefit of
the fans and competitors.