2020 Spring Shootout
General Rules:
1. Contest is open to
two-wheel drive, rear wheel drive, rubber tired tractors. Max tire size for all
classes is 26x12x12.
2. Tech officials will
enforce all rules; All tractors must pass safety check and meet class rules to
be allowed to compete.
3. Operator must remain
seated during pull attempt and must have complete control of tractor at all
times. Operator must keep one hand on steering wheel at all times.
4. Drivers must be 5 – 12
years of age for Stock Youth, 8 years of age for stock classes, 12 years for
Stock Alt, Sport Stock, Pro Stock, and Super Stock, 14 for all other classes
and must show you can maintain control.
5. The first puller in each
class has the option of keeping there first distance or coming back in the 6th
position or last you must decide before unhooking from the sled. Pull off /
Finals you have one attempt only – if you bumb the sled you are done.
6. Every puller has two
chances to go at least 50 feet, you must signal to the flagman before you pass
50 ft. If you have driveline breakage before 50 ft you can repair and return in
last position, you have 5 min. after the last puller pulls to attempt your
pull.
7. All pullers must wear a
dot approved helmet that must be strapped and long pants either denim or
fireproof (no nylon), all pullers must wear a fire jacket (except stock) any
puller burning methanol must wear full fire suit. Stock Pullers must have long
sleeves. All coats must be zipped all the way up.
8. All tractors are
recommended to have functional brakes, steering and a secure seat.
9. All tractors must be
equipped with a fully charged 1-1/2 lb fire extinguisher.
10. All tractors must have a
dead man throttle.
11. All exhaust must
discharge vertically +or- 10 degrees; Exceptions to this rule would be the use
of stock mufflers or rear engine tractors.
12. All fuel lines must be
kept away from hot engine components.
13. All ignition points must
be covered to protect from chance of fire.
14. All tractors must have
sturdy fenders to protect driver from tires.
15. All weights must be
securely mounted on stationary weight brackets.
16. All seats must be
stationary
17. All tractors must have
adequate stabilizer bars to prevent rear tip over, wheels are allowed, must be
strong enough to support tractor and drive at pulling weight. Wheels or pads
must be at least 5 inches behind rear tires and not more than 5 inches off of
the ground. Use of bump bars is recommended.
18. All tractors must have a
sturdy hitch not more than 13” off of the ground. Must have 1 ½ hole and not
further back than plain of rear tires. Except PST class.
19. All tractors must have a
kill switch mounted at the rear of the tractor and must be easily accessible;
it must immediately kill engine and power to electric fuel pump. Must be sturdy
ring 1 ½ in diameter.
20. All tractors must have a
manual fuel shutoff valve.
21. Flywheels and starter
pulleys on all engines turning over 4250rpm must be billet steel or aluminum.
22. All class weights include
driver, helmets and coat.
23. All weights must be on
stationary weight brackets, no moveable weights.
24. Weights may be
repositioned on a false start or re-pull. You must re-weigh if you unhook from
the sled.
25. While hooked to the sled,
depositing of any equipment onto the track during the course of competition
(Driveline Breakage, engine, clutch, rear end, driveshaft, & axles
excluded) will result in disqualification.
26 No nitrous oxide or
compressed gas of any kind allowed.
27. During the course of
competition no part of the tractor can touch the boundary lines or
disqualification will result. The sled may go out of bounds. The flagman makes
the decision.
28. All engines in all
classes must be naturally aspirated, except (open class, super stock, open
super stock).
29. All classes subject to
fuel test and tear down.
30. Top 5 in each class will
have a fuel test.
31. DUE TO INSURANCE REASONS
– Any running tractor must have a capable person on the seat at all times. If we (any prairie member) see one running
with out someone on the seat we have the rite to shut it off immediately!
Stock / Stock
Youth Classes:
1. All general and safety rules apply, must be 8 years of
age for Stock and ages 5 – 12 for stock youth.
2. The Maximum Rpm for this class is 4000rpm for 15 to 18 hp
engines and 4250rpm for 14 hp and lower. RPM’s will be tested at the end of
your hook, zero tolerance.
3. Must maintain stock appearance and utilize stock
sheetmetal, Sheetmetal can be changed from brand to brand (john Deere on Cub
Frame) but frame can’t be altered.
4. Heads must retain factory gasket lip.
5. Only stock OEM parts non-altered.
6. Factory Carb for engine it is being used on. No intake
standoffs allowed.
7. Maximum horsepower rating is 18hp, V-twins not allowed.
8. All stock tractors must be commercial lawn and garden
type with commercial built stock engine with max. of 30 over stock bore and
stock internal parts, rear-end and transmission. Differentials and Driveline
can be modified for safety and durability. No locked rear-ends. Gear Ratio change is permitted.
9. Chassis must be of original wheel base, stock frame
length, may be modified for engine swap. Front Axle can be factory or tube type, can be moved forward as long as it is within the factory frame.
10. Maximum length is 8 foot from center of rear axle to
farthest point forward.
11. Stock Youth class
only - may have help on track with clutch or getting tractor in gear, once
pull has started they need to be off the track.
13. If you pull in the stock youth class, you can NOT also
pull in the reg stock class.
14. Stock Youth Class
Only – 1 hook per person up to 4 hooks per tractor per family. If you have more than one person per tractor
we ask that you PLEASE pre-register to insure that we can split families up so
that we don’t hold the show up.
Stock V-twin:
1. All general and safety rules apply, must be 8 years of
age.
2. The maximum RPM is 4250. RPM’s will be tested at the end
of your hook, zero tolerance.
3. Maximum of 25hp rating flat heard or V-twin. Must use
factory stock Carb for engine, No modifications to Carb except adding main jet adjuster, Must use OEM non-altered
internal parts.
4. Heads must retain factory gasket lip.
5. Must use factory stock sheetmetal and retain factory
appearance. Sheetmetal can be changed for brand to brand (John Deere on Cub
frame) but frame can’t be altered.
6. Front axle can be factory or tube type, can be moved forward
as long as it is within the factory frame.
7. Frame can be modified for engine swap, rear-end must remain
in stock position.
8. Gears can be changed in Transmission.
9. Maximum length is 8 foot from center of the rear axle to
farthest point forward.
10. Top 5 tractors will be sent to Tech for fuel check
and we will also remove one spark plug to check for stock pistons, and remove valve cover to check for roller rockers.
11. No fuel injection, carbination only,
Stock Altered:
1. All general and safety rules apply, must be 12 years of
age.
2. No RPM limit for this class.
3. Flathead twins & single cyl. engines allowed.
4. 1.2 Carb size. No air entering after 1.2 restrictions.
5. Only Flathead Singles 36.5 cubic inches, Flathead twins
45 cubic inches are allowed.
6. Engines must be factory production or their OEM
replacement.
7. Billet Heads allowed on Single Cylinder engines.
8. Must have factory head bolt pattern.
9.. Max Valve lift is .330” measured at valve stem. Top 5 in
class will be checked, and are subject to tear down.
10. Max Carb spacer of 1”. Only factory intake manifolds.
11. Must use factory stock sheetmetal, frame and retain
factory appearance. Sheetmetal can be changed for brand to brand (John Deere on
Cub frame) but frame can’t be altered. Maximum wheelbase of 52”.
12. Must run factory Transmission.
13. Methanol or Gas, No additives.
14. Maximum length is 8 foot from center of the rear axle to
farthest point forward.
Sport Stock:
1. All general and safety rules apply, must be 12 years of
age.
2. No RPM limit for this class.
3. Flathead or V-twin engine allowed.
4. 1.200 Carb size. No air entering after 1.200 restriction.
5. Flathead Singles 38.5 cubic inches, Flathead twins 45
cubic inches and V-twins 39.0 cubic inch, no external welding on heads. Epoxy
is ok. No valve restrictions.
6. Must be OEM Engine or it copy (Julian Block, Jones or
Woolam).
7. Billet Head allowed on Flatheads only, V-Twins must have
OEM heads.
8. Must have factory head bolt pattern.
9. Must use factory stock sheetmetal, frame and retain
factory appearance. Sheetmetal can be changed for brand to brand (John Deere on
Cub frame) but frame can’t be altered. Maximum wheelbase of 56”.
10. Must run factory Transmission.
11. Methanol or Gas, No additives.
12. Maximum length is 8 foot from center of rear axle to
farthest point forward.
Missouri Super Stock:
1. All general and safety rules apply, must be 12 years of
age.
2. Must be Garden Tractor Type Engine (Kohler, Briggs, or
Tecumseh).
3. Only Flathead Single Cylinder engines allowed Maximum
Cubic Inch 37.5 stock stroke Crankshaft.
4. Limited to one single Carb Max of 1.200. No air entering
after 1.200 restriction.
5. Must be OEM Engine or its copy (Julian Block, Jones, or
Woolam).
6. Billet head allowed, must maintain factory head bolt
pattern.
7. Camshaft and Crankshaft must remain in Factory position.
8. Must use factory stock sheet metal, frame and retain
factory appearance. Sheet metal can be changed for brand to brand (John Deere
on Cub frame) but frame can’t be altered. Maximum wheelbase of 56”.
9. Must run factory Transmission.
10. Methanol or Gas. No additives.
11. Maximum length is 8 foot from center of rear axle to
farthest point forward.
Super Stock:
1. All general and safety rules apply, must be 12 years of
age.
2. No RPM limit for this class.
3. Single Cylinder 50.5 cubic inches or smaller engines.
4. Open Carb
5. Must be OEM Engine or its copy (Julian Block, Jones or
Woolman).
6. Must be factory stock sheetmetal, frame and retain
factory appearance. Tube frames permitted according to NQS rules.
7. Maximum wheelbase
of 56”.
8. Must run factory Transmission.
9. Methanol or Gas, No additives.
10. Maximum length is 8 foot from center of rear axle to
farthest point forward.
11. Must have grill and hood.
PST Class:
All NQS rules apply for this class.
Super Stock Open:
1. All general and safety rules apply, must be 12 year of
age.
2. No RPM limit for this class.
3. Maximum of two cylinders (can be two singles) 54 cubic
inch OHV or OHC, 70 cubic inch Flathead. Max of 4 vales total.
4. Must be OEM Engine or its copy (Julian Block, Jones, or
Woolam).
5. Any type of Natural Aspirated induction permitted.
6. Must use factory stock sheetmetal, frame and retain
factory appearance. Tube frames permitted according to NQS rules.
7. Maximum wheelbase of 56”.
8. Must run factory Transmission.
9. Methanol Diesel or Gas, No additives.
10. Maximum length 8 foot from center of rear axle to
farthest point forward.
11. Must have grill and hood.
12. Diesel Rules:
a. Factory 3 Cylinder air or liquid
cooled diesels (no cut down 4 cylinder engines)
1.75 in max
b. Water injection permitted, water
or water soluble oil mixture only
c. Stock head for engine make and
model, no external welding except for repair
d. No overhead cam engines
e. Stock OEM intake and exhaust
manifold, porting and polishing allowed – no tube manifolds
f. Engine block model and serial
numbers must be visible
g. Stock or Component frame with
stock appearing garden, compact, or farm tractor sheet metal with full engine shields
(side shields must be a minimum of 1/16” steel or aluminum). Tube Chassis must
be covered with sheet metal.
h. No
billet fuel injector pumps or electronic fuel injection.
i. Limited
to 1 turbo, no size restriction
j. No
intercoolers or ice boxes
k. Kill switch must shut off
electric fuel pump and shut air off on the compressor side of the turbo.
l. Exhaust “L” of turbo must have
minimum of 5/16” cross in elbow with exhaust to discharge vertically
m. No
propane or nitrous of any kind
n. Must run ¼” cable around oil pan
over top of valve cover in between #1 and #2 cylinder in a complete circle
connected cable clamps (minimum of two clamps).
o. Steel
flywheel required with flywheel inspection hole in bell housing
p. Flywheel, front cast pulleys and
clutch must be shielded 360 degrees with 1/8” steel or 3/16” aluminum. SFI
approved blanket also acceptable.
q. All
other general rules apply.
Pro V-Twin:
All NQS rules apply for this class.
30 Cube:
All NQS rules apply for this class.
Super Mod - Super Mod 800cc:
1. All general and safety rules apply, must be 14 years of
age.
2. No RPM limit for this class.
3. Motorcycle, Snowmobile or Garden Tractor Engines only air
or water cooled, max of 4 cylinders (can be 4 singles or 2 twins).
4. Maximum engine displacement is 1500cc / 800cc total.
5. Engines must be naturally aspirated.
6. Maximum of 4 barrels of carburetion total.
7. Methanol or Gas, No additives.
8. Maximum length of 8 foot from center of axle forward.
4 Cylinder Open
(Friday) & (Saturday):
1. All general and safety rules apply, must be 14 years of
age.
2. No RPM limit for this class.
3. Maximum of 4 cylinders.
4. Maximum length of 8 foot from center of rear axle to
furthest point forward.
5. Methanol, Gas or Diesel.
Weight Classes:
1050 lbs for Stock, V-Twin Stock, Stock Altered, Sport
Stock, Super Stock Open, Pro Stock, Super Stock, Pro V-Twin, Missouri Super Stock, and Stock Youth
1250 lbs for Super Mod
1350 lbs for Open
All tractors will weigh at or below class weight, driver
must be seated when weighing and hitch measured. Must also have your fire suit
and helmet on tractor with you.
Questions:
Scott Long – 319-721-6239
Jason Johnson – 319-239-5369
Jim Malmberg – 319-530-3996
Kristi Wright – 319-721-4979
kristil@netins.net
Tech & Registration closes at 10am on Friday and 9am on Saturday - NO EXCEPTIONS!!!
|