| 2011 Overlanders4x4
Club
Drag Truck Rules & Tech Sheet
Have
a Question ? Call our Club Contacts : |
Date __ / __ / __ Tech person _______________ OK for Class__ , __ , __ Truck #_______
Driver Name ___________________ Signature ____________________Phone ___________
Street address ______________________ City ________________ State _____Zip _________
Total Amount paid Cash / Check _____________
THE TECH CREW RESERVES THE RIGHT TO RECLASSIFY, RE-TECH, OR REMOVE ANY VEHICLE AT
ANY TIME, FROM A CLASS, RACE, OR PREMISES. THE TECH CREW WILL INTERPRET ANY RULE OR
CLASSIFICATION USING THE “SPIRIT” IN WHICH THE RULE WAS INTENDED. Any blatant disrespect
shown to the tech crew by racers, crew members, or fans will be cause for removal from the
grounds and forfeiture of all admission and/or entry fees and winnings.
Driver Name ___________________ Signature ____________________Phone ___________
Street address ______________________ City ________________ State _____Zip _________
Total Amount paid Cash / Check _____________
THE TECH CREW RESERVES THE RIGHT TO RECLASSIFY, RE-TECH, OR REMOVE ANY VEHICLE AT
ANY TIME, FROM A CLASS, RACE, OR PREMISES. THE TECH CREW WILL INTERPRET ANY RULE OR
CLASSIFICATION USING THE “SPIRIT” IN WHICH THE RULE WAS INTENDED. Any blatant disrespect
shown to the tech crew by racers, crew members, or fans will be cause for removal from the
grounds and forfeiture of all admission and/or entry fees and winnings.
- Reaction time will break all ties
Any truck fitting a lower class can enter a higher class
Class 500 and up MUST have fire extinguisher
( Nitrous oxide, alcohol, fuel additive use allowed only in classes 700 & 800 )
Class 600 & below, nitrous oxide cannot be used, bottle must be removed, lines unhooked at plate
If you have factory aluminum head(s) and you want in a non aluminum head class, it must be
approved by the tech crew
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or
modified, it is allowed in classes 600 and lower.
( Once your class has begun racing, NO computer aided tuning / adjustments are allowed to be
made on vehicles running in that class. )
Any vehicle running 3.4 seconds or faster in a 200 foot DRAG, or 3.0 seconds or faster in a 180
foot DRAG, will be required to have roll over protection - Roll bar minimum of 1 1/2 inch OD
tubing, minimum of .090 inch tubing wall thickness with an inspection hole. Roll bar must be
secured to vehicle frame in at least 6 separate points.
NO
DOUBLE ENTRIES FOR 2011 HOI FAIR EVENT , July 16th.
Seat belts
Helmet
No Loose Objects
Brakes on all 4 wheels, driveline brake OK in classes 700 & 800
Hitch points
Battery hold down
Tight steering
No drinking of Alcohol, no exceptions
Class 100 A Stock 4 cyl no mods
Class 100 B Mod 4 cyl
Class 100 C Stock 6 cyl no mods
Class 100 D Mod 6 cyl
Class 100 E 4 or 6 cyl - OPEN Class - anything goes as long as it’s deemed safe
1 spot given for each letter
Class 200 - Stock Class
torque converter stall speed not over 1800, measured in low range
blocks must have factory markings such as GM , FORD, etc
No mod 4 or 6 in class 200, Any stock 4 wheel drive vehicle
No short wheel base or ½ ton with big block
Engine, body and drive train must be same make and model
Bed must be able to hold 300 pounds at any point
tires must be unmodified, DOT approved
max 650 cfm vacuum secondaries carburetor, no double pumpers, no modifications to carb
2 inch spacer or adapter allowed
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
Removal of removable tops and tailgates ok
No traction devices
Lift allowed
No headers, exhaust must extend a minimum of 6 inches past cab
muffler required, maximum of 2 ½” inch diameter exhaust
Steady minimum of 17 inches vacuum at 800 RPM
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
( Stock Ignition only )
2009 Rules change says;
You may have one modification out of three choices:
1. Headers
2. Aluminum Intake
3. Vacuum
(If you meet all other requirements, then you may pull a variance
within 2 inches of the limit.)
(The tech crew will make the final decision.)
Class 300 - ( Altered Street )
no aluminum blocks, Blocks must have factory markings GM, Ford, etc .
tires must be DOT approved, no cut tires, max 44" diameter
No Gutting
Full body functional bed, Bed must support 300 pounds at any point
Steady minimum of 15 inches vacuum at 1000 RPM
No aluminum or after market heads
Engine, Body, and drive train must be same make
No V8 in Mid size - S10 , Ranger , etc unless factory option
No stall over 2500 rpm, no trans brakes
No cfm size restriction for carburetor,
carb must have factory numbers,no modifications to carburetor
No 4500 series carbs
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
Open Headers allowed
Aluminum Intake ok
( BOLT-ON traction assist devices are allowed, NO welding is permitted to mount
traction assist device to vehicle (BOLT-ON ONLY) )
( stock suspension must remain )
All components in place and the capable of being used - Lights, wiper, heater core, etc.
Metal bumpers required
Removal of removable tops and tail gates ok
Fuel Cell Allowed
battery and radiator must remain in stock location
( #1 spark plug inline with or in front of centerline of front axle )
( Minimum wheelbase of 104 inches )
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
Class 400 - Super Street
full size truck only class, no gutting
No V-8 in mid size - Ranger , S10 , jeep, Etc.
tires must be DOT approved, no cut tires, max 44" diameter
Beds must hold 300 pounds at any point
No after market aluminum heads
Any iron head is allowed
Factory trans and transfer cases
Single carb, stock configuration, no stretching
No sheet metal intake, aluminum intake ok
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
no aluminum blocks, Blocks must have factory markings GM, Ford, etc.
Open headers OK
All working windows
Any removable top or tail gate is allowed to be removed
Must have lights, wipers, full dash
#1 spark plug inline with or in front of centerline of front axle
Ok to remove heater core and carpets
Trans brake OK
Ladder bars OK, Axle must bolt to spring, - no Sliders
Minimum of 3 working leaf springs in rear
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
Class 500 - ( Modified Street )
No aluminum blocks
Any Dot approved, uncut tire
Minimal Gutting of metal allowed
Must have some type of full front window
Must have a full dash of any kind
No race weight fiberglass
Removal of carpets, head liner ok
Minimum of functional flat bed
No Hemi Heads, Aluminum heads allowed
No sheetmetal intakes
Factory style trans and transfer case only
Conventional style Single carb
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
No bumpers or heater core are required
Harmonic Balancer inline or in front of front axle
Traction assist devices are allowed
factory style springs must hold vehicle up, no 4 link
Relocation of battery and/or fuel cell ok
Body swap allowed, wheel base must match body
Cab and Driver in stock location and ok'd by tech crew
Trimming of the Factory Firewall for engine clearance is allowed
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
Class 600 - ( Pro Stock )
This is a Timed class
No aluminum blocks
Tires must be Dot approved, uncut
Gutting permitted
Maintain truck appearance
Driver must be in front of the rear axle and on the left side of the vehicle
Factory style transmission
Engine in front of firewall
NO hemi heads
harmonic balancer max 10 inches back from the front axle
Rollbar required, minimum 1 1/2" OD tubing, ( minimum .090 inch tubing wall thickness ) with inspection hole
roll bar must be secured to vehicle in at least 6 separate points
Must have kill switch
Multiple carbs are allowed
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
Any suspension is permitted
( Frame must include a minimum of 30 inch section of stock main frame rails with remainder of rails to be square
or rectangular tube. Minimum of 3 inch tall. No round tube main frame rails )
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
Class 700 - Super Modified
No Blowers
No scoop tires
Rollbar required, minimum 1 1/2 " OD tubing, (minimum .090 inch tubing wall thickness ) with inspection hole
roll bar must be secured to vehicle in at least 6 separate points
Must have Kill switch
any fuel injection system is allowed in classes 700 and 800
Class 800 - Open
Rollbar required, minimum 1 1/2 " OD tubing, ( minimum .090 inch tubing wall thickness ) with inspection hole
roll bar must be secured to vehicle in at least 6 separate points
must have Kill switch
any fuel injection system is allowed in classes 700 and 800
Class 900 - Female's Only
No vehicle over class ( 400 ) allowed
Spots given for each class difference
Co-Pilot OK
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
New Drag Class --- The Consistency Class
Open To Anyone
2 passes - driver with two most consistent passes wins.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
torque converter stall speed not over 1800, measured in low range
blocks must have factory markings such as GM , FORD, etc
No mod 4 or 6 in class 200, Any stock 4 wheel drive vehicle
No short wheel base or ½ ton with big block
Engine, body and drive train must be same make and model
Bed must be able to hold 300 pounds at any point
tires must be unmodified, DOT approved
max 650 cfm vacuum secondaries carburetor, no double pumpers, no modifications to carb
2 inch spacer or adapter allowed
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
Removal of removable tops and tailgates ok
No traction devices
Lift allowed
No headers, exhaust must extend a minimum of 6 inches past cab
muffler required, maximum of 2 ½” inch diameter exhaust
Steady minimum of 17 inches vacuum at 800 RPM
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
( Stock Ignition only )
2009 Rules change says;
You may have one modification out of three choices:
1. Headers
2. Aluminum Intake
3. Vacuum
(If you meet all other requirements, then you may pull a variance
within 2 inches of the limit.)
(The tech crew will make the final decision.)
Class 300 - ( Altered Street )
no aluminum blocks, Blocks must have factory markings GM, Ford, etc .
tires must be DOT approved, no cut tires, max 44" diameter
No Gutting
Full body functional bed, Bed must support 300 pounds at any point
Steady minimum of 15 inches vacuum at 1000 RPM
No aluminum or after market heads
Engine, Body, and drive train must be same make
No V8 in Mid size - S10 , Ranger , etc unless factory option
No stall over 2500 rpm, no trans brakes
No cfm size restriction for carburetor,
carb must have factory numbers,no modifications to carburetor
No 4500 series carbs
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
Open Headers allowed
Aluminum Intake ok
( BOLT-ON traction assist devices are allowed, NO welding is permitted to mount
traction assist device to vehicle (BOLT-ON ONLY) )
( stock suspension must remain )
All components in place and the capable of being used - Lights, wiper, heater core, etc.
Metal bumpers required
Removal of removable tops and tail gates ok
Fuel Cell Allowed
battery and radiator must remain in stock location
( #1 spark plug inline with or in front of centerline of front axle )
( Minimum wheelbase of 104 inches )
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
Class 400 - Super Street
full size truck only class, no gutting
No V-8 in mid size - Ranger , S10 , jeep, Etc.
tires must be DOT approved, no cut tires, max 44" diameter
Beds must hold 300 pounds at any point
No after market aluminum heads
Any iron head is allowed
Factory trans and transfer cases
Single carb, stock configuration, no stretching
No sheet metal intake, aluminum intake ok
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
no aluminum blocks, Blocks must have factory markings GM, Ford, etc.
Open headers OK
All working windows
Any removable top or tail gate is allowed to be removed
Must have lights, wipers, full dash
#1 spark plug inline with or in front of centerline of front axle
Ok to remove heater core and carpets
Trans brake OK
Ladder bars OK, Axle must bolt to spring, - no Sliders
Minimum of 3 working leaf springs in rear
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
Class 500 - ( Modified Street )
No aluminum blocks
Any Dot approved, uncut tire
Minimal Gutting of metal allowed
Must have some type of full front window
Must have a full dash of any kind
No race weight fiberglass
Removal of carpets, head liner ok
Minimum of functional flat bed
No Hemi Heads, Aluminum heads allowed
No sheetmetal intakes
Factory style trans and transfer case only
Conventional style Single carb
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
No bumpers or heater core are required
Harmonic Balancer inline or in front of front axle
Traction assist devices are allowed
factory style springs must hold vehicle up, no 4 link
Relocation of battery and/or fuel cell ok
Body swap allowed, wheel base must match body
Cab and Driver in stock location and ok'd by tech crew
Trimming of the Factory Firewall for engine clearance is allowed
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
Class 600 - ( Pro Stock )
This is a Timed class
No aluminum blocks
Tires must be Dot approved, uncut
Gutting permitted
Maintain truck appearance
Driver must be in front of the rear axle and on the left side of the vehicle
Factory style transmission
Engine in front of firewall
NO hemi heads
harmonic balancer max 10 inches back from the front axle
Rollbar required, minimum 1 1/2" OD tubing, ( minimum .090 inch tubing wall thickness ) with inspection hole
roll bar must be secured to vehicle in at least 6 separate points
Must have kill switch
Multiple carbs are allowed
must be naturally aspirated , no turbochargers, blowers, superchargers, etc.
Any suspension is permitted
( Frame must include a minimum of 30 inch section of stock main frame rails with remainder of rails to be square
or rectangular tube. Minimum of 3 inch tall. No round tube main frame rails )
If Fuel injection came on the vehicle from the factory, and it is not an after market fuel system or modified, it is
allowed.
Class 700 - Super Modified
No Blowers
No scoop tires
Rollbar required, minimum 1 1/2 " OD tubing, (minimum .090 inch tubing wall thickness ) with inspection hole
roll bar must be secured to vehicle in at least 6 separate points
Must have Kill switch
any fuel injection system is allowed in classes 700 and 800
Class 800 - Open
Rollbar required, minimum 1 1/2 " OD tubing, ( minimum .090 inch tubing wall thickness ) with inspection hole
roll bar must be secured to vehicle in at least 6 separate points
must have Kill switch
any fuel injection system is allowed in classes 700 and 800
Class 900 - Female's Only
No vehicle over class ( 400 ) allowed
Spots given for each class difference
Co-Pilot OK
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
New Drag Class --- The Consistency Class
Open To Anyone
2 passes - driver with two most consistent passes wins.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
by the tech crew