CLASS   RULES




 

PRO MODIFIED


           

updated:12/15/2014

Legal Pro Mod Class Rules: (Door Cars Only)

16 Car 1/4 Mile Qualified Field

Weights:

2 or 3 Rotors unlimited: 2000 lbs.

4 or 6 cyl. Unlimited: 2250 lbs.

Normally Aspirated:

Small and Big block no weight restriction

Nitrous Assisted:

Big block - Maximum 5 systems, Maximum of 900 Cubic Inches, Minimum weight of 2375 lb. ~ 901 Cubic inches and above Minimum weight 2425

Small block - unlimited systems and no weight restriction

Supercharged:

Maximum 526 Cubic Inches, Maximum Overdrive of 30% 14-71 Max (No Screw types) Minimum weight of 2600 lb.

Single Turbo:

Small block single turbo with a Maximum of 430 Cubic Inches. Max 120mm, Minimum weight 2300 lb.

Twin Turbo:

Maximum of 540 Cubic Inches, Twin turbochargers limited to 88mm, Minimum weight 2650 lb.


Pro Charger:

Maximum of 650 Cubic Inches, Minimum weight 2500 lb.

Single Power adder only

No Nitro methane (M5 allowed)

Must have "SFI approved blanket".

Must take tree and be qualified car to receive first round money.

All NHRA Safety Rules Apply

All rules subject to change at the sole discretion of the Technical Department.



SHRA INSANE OUTLAW

 
This class is for Blown Alcohol and Nitro.
Screw Blowers Prohibited.
Anything goes !!!

Funnycars, Altereds, Dragsters & Door Cars

Current NHRA or IHRA license required

All Track (NHRA or IHRA) Safety Rules Apply

 Outlaw 10.5
































Outlaw 10.5



































Outlaw 10.5

1. 400 Pro Tree Heads Up Racing
2. Engine: (SINGLE POWER ADDER ONLY)

Naturally Aspirated:
Small Block No minimum weight
Big Block No minimum weight

Nitrous Oxide:
Small Block 2300 lbs
Big Block 4.840 & 4.900 Bore Center 2600 lbs
Big Block 5.00 Bore Center 2700 lbs
Big Block 5.20 & 5.30 Bore Center 2800 lbs

Turbo Charged and Super Charged:
Single SB 2600 lbs Big Block 2700
Twin Turbo up to 94mm SB 2800lbs BB 3000 lbs
Twin Turbo larger then 94mm SB 2900 lbs BB 3100 lbs
Centrifugal Superchargers SB 2600 lbs, BB 2800 lbs
Twin Centrifigal Superchargers SB 2800 lbs, BB 3000 lbs
Roots Supercharger SB 2600 lbs, BB 2800 lbs
Max bore spacing on all forced induction application is 5”
Max cubic inch on all forced induction entries is 700 cid
Max turbo size 108mm

Screw superchargers:
"D" rotor 3000 lbs. Max O.D.125%
“C” rotor 3100 lbs. Max O.D. 125%
4 & 6 cylinder alcohol & intercooler permitted No minimum weight

3. Back Half Type Cars Only, ALL cars must have mufflers, inserts are NOT considered mufflers.
    – Turbos Do not need mufflers
 
4. Front Frame to be original O.E.M. type. (stock like front frame rails mandatory) Direct bolt in aftermarket Parts permitted. Firewall must be in the stock location. Engine must remain in front of firewall. Firewall Can not be modified for engine placement.

5. Must be Street appearing, must have stock appearing dash and working lights, one piece fiberglass.
Front ends permitted. Hood can be apart of front end. If you use a one piece fiberglass front-end, it must have lights.

6. Alcohol on NON intercooled cars only.

7. NHRA Pro Ladder.

8. Minimum ground clearance of 3" from the front of the nose to 12" behind centerline of the front axle.
Wheelbase must be OEM for body style used. Maximum variation from OEM +/- one inch.

9. Towing will be allowed, you must stop at scales, time slips can be picked up at scales.

10. General Rules: deep staging allowed, but track will not wait for a racer to get deep staged. When both Pre-staged are activated, either side stage light will start a 7-second stage count. Failure to activate stage Bulb within 7 seconds will result in disqualification/timeout. (Starter's decision will be final).
Disqualification will be based on a first or worse situation.
Rules on controversial situations will be final at the discretion of the race director.

11. Head & Neck Restraint - MANDATORY

12. Lower engine containment device (Diaper) - MANDATORY

13. Maximum front overhang 45" From centerline of front spindle.
Tire is limited 33x10.5

14. No car will be allowed to go faster than the chassis is certified for by NHRA.

15. Supercharger restraint system meeting SFI 14.1 mandatory on roots-type supercharger.

Screw-type supercharger must meet SFI Spec 34.1 .

For screw-type superchargers, manifold burst panel meeting SFI Spec 23.1

Supercharger drive must be belt, NHRA-accepted chain drive or NHRA-accepted gear drive.

Supercharger restraint straps must be covered with a fire-resistant material

 Pro Street Nitrous
(Outlaw 632)














            For Outlaw 632 the SHRA is going with B.M.P. Rules to be fair & easy.




>CLICK HERE FOR OUTLAW 632 RULES<


           

All Track (NHRA or IHRA) Safety Rules Apply

 

 

 

 

 
Stock Suspension



































Stock Suspension






























































Stock Suspension

































































Stock Suspension


- Stock style and general shape car bodies.
- Stock body lines and profile must be maintained.
- Must have mufflers (except turbo entries)
- Must have working headlights and tail lights
- Must have diaper
- Nitrous bottles in passenger area must have approved safety vent
  to the outside of vehicle.

- Must have DOT approved drag radial tires
(Mickey Thompson, M&H, BFG, HOOSIERS) up to 12"

- Stock type chassis
- Front suspension aftermarket shocks, struts and springs permitted in factory location. Aftermarket bolt in K-members permitted. Tubular A-arms permitted. Aftermarket bolt on spindles permitted. Stock, unaltered frame rails required in front subframe from forward mount of control arms, back.
- Rear suspension may utilize aftermarket replacement springs, leaf springs and/or control arms. Suspension and aftermarket torque arms permitted if factory replacement for year, make and model only. Leaf springs may be moved inboard. Aftermarket sway bars permitted. Mini-tubs and coil overs permitted. Rear frame rails must remain in OEM stock condition in all areas. Must retain stock frame rails in factory position, may be notched for tire clearance only. When notching, stock inboard section of rear frame rails must remain stock, unaltered and in stock location. Back-half cars prohibited. Ridged mounted suspension prohibited.
- Factory floorboards must be maintained from directly behind the drivers seat to the rear of the car. Smoothing allowed. Example - spare tire well may be smoothed.
- OEM style automatic transmissions with converter or OEM stick shift with single disk clutch permitted
- Clutchless transmissions prohibited
- Single power adder only
- Stock firewall must be maintained in stock location
- No wheelie bars
- No ladder bars
- Qualifying will be side by side. 1st and 2nd qualifying runs must be in opposite lanes
- No aftermarket 4 links
- Elimination ladders will be locked 30 minutes after the end of the 3rd round of qualifying. Any racer who feels they will not be able to make the first round of eliminations beacause of breakage please contact race command within that 30 minute time frame so an alternate can be placed on the ladder. During the first round of eliminations any racer whose opponent does not show will recieve an opponent broke pass for that round.
- Bye runs - all vehicles must take the tree
- Courtesy staging and auto start will be in effect
- After each qualifying and elimination pass, all cars must stop and weigh at scales. If you lose eliminations and your opponent fails to make weight you will be reinstated into the eliminations only if you made minimum weight requirements. If both cars failed to make the minimum weight, both cars will be disqualified. It is the drivers responsibility to verify with each scale, the weight of his/her car prior to each race day. There will be a 5lb error factor allowed

- All NHRA safety rules apply



CAR AND DRIVER WEIGHTS
Base weight 3200# - BB superchargers, twin turbo s.b. or b.b.
-200lbs BB nos
-100lbs SB single turbo
-100lbs SB supercharger
-100lbs leaf springs
-600 lbs SB nos
-400 V-6
-600LBS n/a

BB twin turbos max turbo size GT4788 (true 88's) 3200#
BB supercharger max size F3R 131 3200#
BB supercharger max size F3R 139 3300#
SB supercharger max size F3R 139 3100#
NO SCREW BLOWERS
BB twin superchargers F1R's 3200#
BB twin superchargers F2R's 3300#
SB twin superchargers F1R's 3100#
SB twin superchargers F2R's 3200#
SB twin turbos 88's 3200#
SB twin turbos 91's 3300#
BB single turbo 114 3200#
SB single turbo 123 3100#


CLASS DESCRIPTION
Stk. Suspension is a heads up class designed for any passenger vehicle from any major manufacturer. Cars are limited to a maximum cubic inch limit of 440 cubic inches. Power adders are limited to a single nitrous plate systems utilizing one nitrous solenoid ONLY. No alcohol or nitro methane allowed. Purge must be redundant in-line with nitrous supply line with only one supply line.


BODY
Fiberglass/Carbon body panels are limited to hood, rear deck lid, and bumpers. Cowl hoods may not be taller than half way point of the windshield. Forward facing scoops are prohibited. Factory front and rear spoilers and wings are allowed. No full fiberglass/carbon bodies allowed unless equipped from the factory. Stock firewall must be retained in stock location. Firewall may be notched for clearance and/or smoothed for appearance. All entries must have operational head lights and tail lights. All entries must retain the stock grill. Full factory floor plans are required but may be notched for roll bars, sub frames,etc. Stock core support and inner fender wells are required but may be notched for clearance.


INTERIOR
Aftermarket steering columns are allowed. The rear seat may be removed but area must be upholstered. Dash may be the passenger area but must be properly vented to the outside of the car. Bottles must be securely mounted using prper bottle mounts.


ELECTRICAL
Optical devices are prohibited. All entries must have operational head lights and tail lights. All cars must have NHRA approved master shut-off switch on the rear of the car. Switch must be labelled "PUSH OFF".


ENGINE
Aftermarket blocks and cylinder heads are allowed. Sheetmetal intakes are prohibited. Intakes must be cast. Entries may utilize a single carburetor only. Motor plates and solid mounts are allowed. Engine must be in stock location. Mufflers are required on all vehicles. Entries must utilize a single stage nitrous plate with one nitrous, one fuel and one redundant purge solenoid. Foggers must be disconnected and all solenoids must be capped off. Nitrous plates using fogger nozzles are not allowed. All ultimate street entries are required to use an engine diaper. All engines are limited to 440 cubic inches. Any engine in question will be measured with a P&G gauge. A correction factor of 1.5% will be used. Competitors may be asked to remove a cylinder head for bore and stroke measurements should any discrepancies arise.

POWER ADDERS
Nitrous - Progressive nitrous controllers are allowed. All progressive equipped entries are required to utilize a maximum 275 DOT approved radial and must use a single spray bar plate only.
Slick tire entries may use a crossbar or diffuser plate but no progressive. Any progressive equipped car using a crossbar style plate must have one nitrous and one fuel spray bar capped off at the plate

SUPERCHARGERS AND TURBO ENTRIES MUST BE STOCK VALVE ANGLE ENGINES ONLY. NO ENTRY MAY HAVE OPEN HOLE OR ANY DEVICE TO DIRECT AIR INTO TURBO OR SUPERCHARGER.
BOOSTED CARS MAY NOT USE ALCOHOL OR ANY OXYGENATED FUELS.( Q-16 ETC...).. ALL SUPER CHARGERS AND TURBOS MUST BE ORIGINAL FROM FACTORY AND TRUE SIZE. NO REDUCERS OR BILLET WHEELS.
SB CHEVY 23 DEGREE
SB FORD 20 DEGREE
FACTORY HEADED SMALL BLOCK FORD MOD MOTOR

SUPERCHARGER MAX
F1A-3200 #
F1C - 3350 #
YSI - 3350 #

TURBO MAX
T-76 3150 # NO REDUCERS
T-80 3300 # NO REDUCERS

TRANSMISSION
Any OEM style automatic or OEM manual transmission is allowed. Manual transmissions must utilize an SFI approved bell housing.

REAR SUSPENSION
Stock type rear suspension only. Stock rear frame rails must remain intact. Minor notching of frame rails is allowed for tire clearance. Bolt on traction devices only. Coil over shocks are allowed. Aftermarket repacement control arms are allowed. Rear control arm mounting points must remain in stock location on the stock frame rail and the rear end.
All mounting points must use a single mounting hole.

WHEELS/TIRES
A maximum of a 28 x 10.5 non W slick
or
275 radial may be used.
Wheel width is limited to 12"


WEIGHTS
Base weight - 3200 lbs
All heads 14.9 and under - 3250 lbs
Any canted valve head - 3250 lbs
All heads 15 degrees and above carry no additional weight
Any 23 degree combo - 3050 lbs


BLUE THUNDER HEADS 3300 lbs


Any 20 degree ford - 3100 lbs


NO BILLET CYLINDER HEADS
Leaf springs - subtract 100 lbs.


SPONSORSHIP DECALS & LETTERING
Decals and lettering is restricted to windows, quarter panels, front bumper and front hood scoop. All cars are required to have identifying number posted on front and rear windows.


Safety
All entries must utilize a lower engine restraint / engine diaper. Driveshaft loop required. Fuel cells must be grounded to chassis. Drivers are required to wear SFI approved pants, jacket, shoes, neck brace and gloves with a minimum rating of 3-2A/5. SFI window net is required.


All Track (NHRA or IHRA) Safety Rules Apply



 X 275






















  


































































































            The SHRA is going with John Sears X275.net Rules to be fair & easy.




http://x275.net/car-specs/  < click for x275 rules




All Track (NHRA or IHRA) Safety Rules Apply

         



 Top Sportsman

 
Current NHRA or IHRA license required

16 Car Field


BODY:
Must be full bodied vehicle (trucks, vans, wagons permitted)
with 2 functional doors.

Front overhang limited to 43” from center of front spindle
unless stock OEM is longer.


GROUND CLEARANCE:
Minimum 3” required from the front of the car to 12” behind front axle centerline. 2 inches on remainder of the car.


WHEELBASE:
Minimum 90”. 1” variation from left to right.


ENGINE:
Any internal combustion engine allowed with any modification. Only one engine may be used. No cubic inch limit. Positive locking crank case breathers (valve cover) mandatory.




NITROUS OXIDE:
Permitted on non-supercharged and
non-turbo charged entries only.


SUPERCHARGER:
14.2 restraint with bag mandatory on all
12 and 14-71 applications.
14.1 restraint mandatory on all other supercharged applications.

A belt guard shielding both fuel and oil lines is mandatory.


 
ELECTRICAL:
Starting line two step accepted.

DELAY BOX:
Accepted.

TAILLIGHT:
One 2” working tail light required.


All Track (NHRA or IHRA) Safety Rules Apply

 Top Dragster





















Top Dragster

























Top Dragster

 
Current NHRA or IHRA license required


16 Car Field



CHASSIS:
Rear engine dragster must meet SFI 2.3, 2.2, 2.5, or 2.7.

Front engine dragster must meet SFI 2.2 or 2.4 or 2.6.



Altered:
6.99 and quicker must meet SFI Spec.10.1E.



WHEELBASE:
Rear engine dragster minimum 175”.

Front engine dragster minimum 175”.

All cars may not have a wheel base variance from
left to right of more than 2”.

Roadster/Altered minimum 120” maximum 150”.


SUPERCHARGER:
All supercharged entries may utilize a 14-71 supercharger.

High Helix supercharger will be legal for competition.

Front engine cars must have SFI 14.2 restraint with approved bag, rear engine cars must have SFI 14.1 restraint.


TURBOCHARGER:
The use of single or dual turborchargers is permitted.

This combination will utilize supercharged weight minimums.


ELECTRICAL:
Starting line two step: accepted.


DELAY BOX:
accepted.


All Track (NHRA or IHRA) Safety Rules Apply

 Hot Rod Import




























Hot Rod Import




































Hot Rod Import


.400 Pro tree

General: All vehicles and Drivers must comply with NHRA / IHRA / SHRA safety rules and regulations. Engine catch pan or diaper is required. Chassis certification and Driver licensing must be completed prior to event. SHRA rules are subject to change based on the National Sport Compact Racing Association's commitment and dedication to competitive racing for every enthusiast. 

Body: Import or domestic compact car bodies allowed. Doors must open and close from inside and outside the vehicle. Lightweight components are limited to hood, doors, roof, front fenders, deck lid, hatches, sunroofs, wings, ground effects, and bumpers only. Quarter panels must remain steel. One-piece front ends are permitted on FWD cars only. 

Chassis: RWD cars may be 1/2 chassis, but must retain stock firewall, stock front strut towers, and floorboards (back-half chassis and mini tubs are permitted). FWD & AWD cars may be 3/4 chassis, but must retain stock firewall and stock front strut towers. Notching of chassis for clearance is permitted. Full tube chassis cars are prohibited. REVISED 1-26-10 

Suspension: All cars must utilize stock style front suspension. Any type rear suspension is permitted. Wheelie bars are permitted. Aftermarket front and rear control arms, struts, shocks, and sub-frame connectors are permitted. 

Street Equipment: Not required. 

Windows: Lexan windows are permitted. 

Interior: Not required. 

Exhaust: Not required. 

Electronics: Two-steps, data loggers, aftermarket ECU?s, and engine management systems are allowed. 

Driveline: Open to FWD, RWD, and AWD cars. 

Transmission: Any type transmission is permitted. Trans-brakes are permitted. Aftermarket bell housings, axles, gears, spools, and differentials are permitted. 
Clutch / Shifter: Any style clutch is permitted. Any style shifter is permitted. Air shifters and electric shifters are prohibited.

Engine: Only OEM 4-cylinder, 6-cylinder, and 2-rotor engines are permitted. Any internal engine modifications are permitted. Engine must be of automotive import origin or offered as OEM in compact cars sold in North America. Motor swaps of same manufacturer or different manufacturers are allowed as long as they meet weight requirements. Aftermarket blocks are permitted on 4-cylinder vehicles only. 

Induction: Any style intake is permitted.
EFI or carburetors are permitted. 

Power Adders: Turbochargers, Superchargers and Nitrous Oxide Systems permitted in any combination. Turbochargers are measured at the inducer wheel diameter at the point where the leading edge of the compressor wheel meets the inlet housing. 

Intercooling: Liquid intercoolers and air intercoolers are permitted. Water injection and methanol injection used as a cooling device is permitted. 

Fuel: Gasoline, E-85 or alcohol is permitted. Aftermarket fuel cells are permitted and may be mounted in engine bay or rear of vehicle. 

Tires: All tires are checked by sidewall designation FWD cars: Maximum size slick or bias ply tire is 28.0? x 10.5W? or any size DOT radial tire is permitted. RWD cars: Maximum size slick or bias ply tire is 28.0? x 10.5W? or any size DOT radial tire is permitted. AWD cars: Maximum size slick or bias ply tire is 28.0? x 10.5W? or any size DOT radial tire is permitted. 

Minimum Weights: All minimum weights include the driver.

 ENGINE           DRIVE           MAX TURBO            WEIGHT
2-ROTOR           RWD                  80.9                   2400lbs
4-Cylinder          FWD                   80.9                  1900lbs
4-Cylinder          RWD                   80.9                  2400lbs
4-Cylinder          AWD                   80.9                  2600lbs
6-Cylinder       RWD/Stick         91.9s/67.9t             3100lbs
6-Cylinder       RWD/Auto         88.9s/62.9t             3100lbs

* Deduct 100 lbs. for SOHC cars 
* Add 150 lbs. for FWD cars with Aftermarket Transmissions or Automatic Transmissions 
* Add 150 lbs. for RWD 6-cylinder cars with Aftermarket Manual Transmission
 



Open Comp

























Open Comp





















Open Comp
 
 
Open Comp is based on an Open Comp format, which uses a " 5/10ths Pro Tree" start system. Any "door slammer-type" vehicle is permitted. Any modifications, any tires, any vehicle weight, or power adders are permitted. 2-3 step Rev-Limiters are permitted.

Delay boxes (must be removed, see note below), Throttle-stops, Crossover boxes,
or any "reaction-time related" electronic aides are prohibited.

UPDATED 1/4/2014 - Transbrakes ARE ALLOWED.

Electronics Policies:

The Following Devices are Illegal :
*Electronic / Pneumatic / or any Remotely Activated Throttle Stops
*Optical Sensors / Stutter Boxes Delay Boxes

*Electric / Hydraulic Pneumatic Clutch Release Devices

*Cross-Over Boxes
*Electric / Hydraulic Pneumatic Shifters (All Shifts Must Be Made By Driver)
*Electronic Nitrous Controllers
*Any and All "Traction Control Devices"




********* The Following Devices are Legal: **********

* 2 & 3 Step Rev-Limiters

*MSD-7 and/or any other Ignition Box that contains Programmable Timing Functions



**NOTE:
IF A DELAY BOX IS PERMANENTLY MOUNTED IN THE VEHICLE AND CANNOT BE REMOVED, THE DELAY BOX MUST BE ZEROED OUT. A TECH INSPECTION MAY OCCUR AT ANY TIME DURING THE EVENT, IF IT IS FOUND THAT THERE IS AN INFRACTION OF THIS RULE, THE RACER WILL BE DISQUALIFIED.




E.T. Limits:
The fastest qualifying ET permitted in the Open Comp class is 5.45 (1/8 mile). Any qualifying pass quicker than 5.45 will be disqualified and will not count. Competitor will be permitted to re-qualify (if additional qualifying rounds are left) slower than 5.45. Competition will be regulated under standard IHRA "First or Worst" competition policy during qualifying and eliminations.

Self Staging & "DEEP" Staging:
All Open Comp drivers must stage the car on his/her own without the assistance of a crew member (You can have a crew member make sure you are lined up straight only, but cannot in anyway trip the stage beams).Deep staging is permitted. Please have the word "DEEP" clearly written on all four windows if you expect the starter to identify that you plan on going deep.

Courtesy Staging:
Courtesy staging will be in effect during eliminations. Each competitor must light only their Pre-stage bulb and wait for their competitor to light their Pre-stage bulb.. Once both Pre-stage bulbs are lit either driver can then fully stage. If this procedure is not followed the starter can/will back the offender out of the staging beams and have them re-stage properly. The starter at any time has the right to disqualify any repeat offender.

Lane Choice:
During 1st round of elimination's the higher qualified car will have lane choice. In the 2nd round and beyond, the driver that is closest to his/her dial without going quicker will be awarded lane choice. If both drivers go under their dial-ins, the driver that is closer to his/her dial will be awarded lane choice for that round.

Tow Vehicles:
Open Comp does not allow tow vehicles of any sort in the staging lanes. You can tow your vehicle back to the pits at the conclusion of your run after exiting the racing surface.

 







5.50 index
8.50 (1/4 mile)


.400 Pro Tree
Door Cars, Trucks & Altereds up 125" wheelbase
Any Power Adder - OK
Trans. Brake - OK
Nitrous Button or Microswitch - OK
Tube Chassis - OK
Any Tire - OK
Electric or Air Shifters - OK
Delay Boxes - OK
Must have Engine Diaper
Throttle Stops - OK
5.50 Break-Out Rule Enforced
Courtousey Staging & Auto Start in effect
Bye Run vehicles must stage & run down the track
Track Tech has final discretion on rules


All Track (NHRA or IHRA) Safety Rules Apply

 






6.50 index
10.00 (1/4 mile) 


.400 Pro Tree
Door Cars & Trucks
Any Power Adder - OK
Trans. Brake - OK
Nitrous Button or Microswitch - OK
Tube Chassis - OK
Any Tire - OK
Electric or Air Shifters - OK
*No Delay Boxes
*No Throttle Stops
6.50 Break-Out Rule Enforced
Courtousey Staging & Auto Start in effect
Bye Run vehicles must stage & run down the track
Track Tech has final discretion on rules

All Track (NHRA or IHRA) Safety Rules Apply
 

 




        


7.00 index
11.00 (1/4 mile)


 .500 Pro Tree
Door Cars & Trucks
Any Power Adder - OK
Trans. Brake - OK
Throttle Stops - OK
Nitrous Button or Microswitch - OK
Tube Chassis - OK
Any Tire - OK
Electric or Air Shifters - OK
7.00 Break-Out Rule Enforced
Courtousey Staging & Auto Start in effect
Bye Run vehicles must stage & run down the track
Track Tech has final discretion on rules

All Track (NHRA or IHRA) Safety Rules Apply