RULE BOOK DISCLAIMER
The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable requirements for such events. These rules shall govern the condition of all events, and by participating in these events, all participants are deemed to have complied with these rules.  NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATIONS OF OR COMPLIANCE WITH THESE RULES AND OR REGULATIONS.  They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator, or official.
The race director shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in his/her opinion does not alter the minimum acceptable requirements.  NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OF SPECIFICATIONS.  Any interpretation or deviation of these rules is left to the discretion of the officials. Their decision is final.
The Management of Edward F McKernan ___

Pure Stock Rules

    
            ELIGIBILITY REQUIREMENTS AND FRAME RULES
1.     This class is open to 1965 or newer American made cars with a factory minimum wheelbase of 108 inches or an aftermarket replica of a Stock/OEM factory frame with all Stock/OEM factory suspension mounting point in place, also a legal IMCA Mod. Frame with the engine moved forward. Front clipped frame cars that meet all the rules. (see diagrams)
        a.   All frames/chassis must be approved by the track.
        b.   No four-wheel drive or front wheel drive cars.
        c.   Some OEM/Stock frame cars are eligible for a 200-pound weight reduction. 
       (Any questions call Track Tech.)
2. The frame may be shortened, but must maintain a 107-inch wheel base measured from center of lower ball joint to center of rear end housing with car at ride height. (see street stock/pure stock wheel base rule diagram)
   a. The frame may be cut off in front of the steering box/idler arm and
      replaced with tubing equal in strength.
   b. The frame may be cut off from the center of the rear end housing back
       and be replaced with square tubing equal in strength.
3. All suspension mounting points must remain stock except for the front upper control arm mounts, all four-top spring
    cups and the shock mounts to receive the weight reduction.
   a. Adjustable spring cups and jacking bolts with or without spring buckets will be allowed.
4. Engine Location must be in stock location. See option#1 in engine location diagram
   a. All Pure Stocks must have engine installed in stock location and meet the 15-inch maximum measurement rule.      
   b. See Street Stock engine location Option #1 diagram.
   c. Engine location must be approved by the track tech.
5. Must have six-point roll cage. (see cage rules)
6. Must have a complete body and should resemble a factory body. (see body rules)
7. The body must be mounted centered over the frame.
8. Camaro clip cars will be allowed.
   a. can be eligible for stock frame 200lbs weight reduction if all the following rules are met.     
   b. The middle and rear frame must be made with 1.5x3x.095 tubing minimum.
   c. Front and rear clips must be centered. (NO offset rollcage)
   d. The leaf spring mounts must be mounted centered on the frame.
   e. Any type of leaf spring mount bushings allowed.
   f. The mounts may be adjustable.
   g. The distance between the front and rear spring mounts must be the same as factory.  (Front to back and left to right)   
   h. Stock engine location measurement of 15 inches must be met.
                     

       
                         FRONT SUSPENSION AND STEERING RULES
1. Front lower control arms must be oem/stock.
   a. Any type of bushings may be used.
   b. May change ball joint to any type, but must remain in stock location.
2. Front upper control arms and mounts can be changed to any aftermarket or homemade a-arm assembly.
3. Adjustable spring cups and jacking bolts with or without spring buckets will be allowed on all 4 corners.
   a. No remote adjusters of any kind.
4. Stock/oem sway bars front and rear will be allowed.
5. The steering gear box, Idler arm, center link, and all tie rods must be    
   OEM/Stock as per frame.
6. OEM/Stock spindles only GM for GM, Ford for Ford, ect...
7. Stock steering shaft rag joint must be removed.
8. Steering quickeners allowed.
9. Quick-release steering wheel with safety pad mandatory.            
     

           REAR SUSPENSION RULES FOR OEM/STOCK AND STOCK REPLICA                                                              FRAME CARS
1. All upper and lower control arm mounts on the frame must be in stock location.
2. Lower rear controls arms may be aftermarket or homemade but must be
   OEM/Stock length on both sides.
   a. Any type of bushing may be used.
   b. Must mount in stock hole on frame
   c.  Must maintain factory angle to rear end housing.
   d. The lower rear control arm mounting brackets on the housing must be the same on both sides and welded to the
       housing in the same location and angles on both sides.
   e. The lower rear control arm mounting brackets on the housing can have adjustable holes but no holes can be lower
       than 5.75 inches down from the center of the axle tube.
   f. Where the rear lower control arm bolts to the rear lower control arm bracket must be in the same hole on the right
      and left sides. (same hole side to side, up and down, and front and back)
   g. No rear control arm can be self-adjustable. (No spring rods, etc.)
3. Upper rear control arms may be stock, aftermarket or homemade.
   a.  Must maintain OEM/Stock length + or - 1 inch.
   b. Must be the same length on both sides.
   c. No rear control arm can be self-adjustable. (No spring rods, etc.)
   d. Any type of bushing may be used.
   e. Must mount in stock hole on frame and maintain factory angle.
   f. The upper rear control arm mounting brackets on the housing must be the same on both sides and welded to the
       housing in the same location and angles on both sides.
   g. The upper rear control arm mounting brackets on the housing can have adjustable holes.
   h. Where the rear upper control arm bolts to the rear upper control arm bracket must be in the same hole on the right
      and left sides. (same hole side to side, up and down, and front and back)
4. Adjustable spring cups and jacking bolts with or without spring buckets will be allowed on all 4 corners.
   a. No remote adjusters of any kind.
5. Coil springs must mount on top of the axle tube and at the same location side to side, front to back, and up and down.
   a. The spring cannot be more than 1.5 inches’ front to back of the center line of the axle.
6. Any OEM/Stock frame car that meets all the above rules will be eligible for a 200-pound weight reduction.
7. Any OEM/Stock frame car that does not meet all the above rules call track tech to discuss your weight penalty.
8. Camaro clip cars will be allowed.
   a. can be eligible for stock frame 200lbs weight reduction. (Any questions call track tech.)     



          REAR SUSPENSION RULES FOR IMCA MOD. FRAME CARS
                                  AND FRONT CLIP CARS
1. The rear suspension must be a 3 link with no spring loaded or bisket type bars of any kind. 
2. The lower control arms frame mounting points must be centered with the front frame section and the lower control arms must be mounted in the same holes’ side to side, up and down, front to back on the left and right side.
   a. The lower control arms front mounting point can not be lower than the cars side frame rails, or higher than 4 inches up from the bottom of the frame rails.
3. The mounting brackets on the rear for the lower control arms must be welded on. (no floating brackets of any kind)
   a. Mounting bracket on the rear must be the same on both sides and can have adjustable holes but no lower than 5.75 inches down from center of housing.  
   b. lower control arms on the rear must be mounted in the same hole side to side, up and down, and front to back.
4. The lower control arms must be the same length and have a min. of 5/8 dia. heim. and bolt.
   a. They can be made of steel or alum.
5. The third link/pull bar must be solid with a min. dia. of 5/8 inch hiem. and bolt.
   a. No spring loaded/bisket type or self-adjustable third link/pull bar.
   b. The third link/pull bar mount on the top of the rear can not be any higher than 8-inches.
   c. third link/pull bar must be mounted within 4 inches of the center line of the car. (side to side)
   d. the third link/pull bar cannot be longer than 32 inches
   e. the third link/pull bar can be made of steel or alum.
6. Jacking bolts and coil springs are mandatory.
   a. No coil overs or coil over eliminators.
   b. The coil springs must mount on top of the axle tube and at the same location side to side, up and down, and front to back.
   c. the spring cannot be more than 1.5 inches’ front or back of the center line of the axle.
   d. The jacking bolts must be mounted centered over the rear end housing spring cup.
7. Any type pan hard bar may be used. (j-bar of full length)                               

               

                                            ENGINES & LOCATION
1. Engine must remain in stock location.
   a. The engine location must meet the maximum measurement of 15 inches.
        (See option#1 in the Street Stock engine location diagram) 
   b. Engine location must be approved by the track.
2. Solid motor mounts allowed.
3. Cast iron oem/factory block only. (Maximum over bore .060)
4. No 400 cubic inch blocks allowed.
5. Cast iron OEM/Stock production straight plug heads only. (factory casting # must remain visible)
6. Any steel wet sump oil pan allowed.
7. Any steel harmonic balancer allowed.
8. No roller lifter or mushroom lifters.
9. Any stock/oem production 2 barrel or 4-barrel intake manifold, cast iron or
   aluminum will be allowed as long as it is not over 4.5 inches deep and is a duel plane intake.
       (factory casting # must remain visible)
10. JEGS intake manifolds with part number 555-513000 and Fox Votex heads part number 555-513002 will be 
     allowed.
11. Only one carburetor spacer/adapter can be used and cannot be over 1.25 inches thick with 2 gaskets.
12. No remote mounted oil filters or coolers.

                   PURE STOCK ENGINE CLAIM FEE IS $3100.00 CASH.
          PURET STOCK INTAKE MANIFOLD CLAIM FEE IS $200.00 CASH.
                    (SEE CLAIM RULES AND FEES FOR DETAILS)

                                      
                                        
                                                CARBURETOR
1. Limited to one stock 4412 holley carburetor or one OEM/Stock 2 barrel carburetor.
2. Carburetor must have choke horn but all hardware can be removed.
3. Carburetor must pass all no-go gauge checks.
4. No modification to pick up air from any source other than through top of carb.
5. The following changes may be made to carb.
   a. Jets, power valves, air bleeds, emulsion bleeds, float, needle/seat, and pump cam.
   b. You may drill idle holes in butterflies.
   c. You may block off vacuum ports.
   d. You may weld linkage plate to shaft.
   e. You may install new shaft bushings.
   f. You may tighten booster.
               PURE STOCK CARBURETOR CLAIM FEE IS $600.00 CASH.
                       ( SEE CLAIM RULES AND FEES FOR DETAILS)





























































































  
                                            FUEL SYSTEM
1. Gasoline only. Maximum of 22-gallon fuel cell with foam and rollover valve Mandatory.
   a. Must be mounted to frame or roll cage in the trunk area.
2. All fuel lines and fittings must be suitable for racing fuel.
3. Fuel shut off valve is mandatory and mounted in reach of the driver and safety personnel. ON/OFF must be clearly marked.
4. Mechanical block mounted stock/oem style fuel pumps ONLY.
                                          
                                         
                                                       IGNITION
1. Stock/oem style electronic ignition system only with coil in the cap.
2. No traction control or timing altering devices allowed.
3. No digital tachometers.
4. No crank trigger ignitions or multi coil systems


                                        HEADERS/EXHAUST
1. Headers will be allowed with a maximum tube diameter of 1 5/8 inch.
2. Cast iron exhaust manifolds will be allowed but no center dump.
3. Cross over headers are allowed but no 180-degree header allowed.
4. All headers must exit underneath car and behind driver but before rear end housing.
5. No crankcase evacuation type systems, two into one exhausts, or h pipes allowed.
6. Mufflers are mandatory.              
                                                     

                                             COOLING SYSTEM
1. No electric water pumps or electric fans.
2. No flex fans or aluminum fans.
3. Any pulleys allowed.
4. Any radiator but must remain in stock location.     


                                                  DRIVETRAIN
1. Transmission, any stock/oem or any aftermarket racing transmission will be allowed.  (bert, falcon, brinn, ect...​)
   a. Any car running a stock/oem automatic with working converter, non-direct drive will receive a 100-pound weight
       reduction.
    b. Any car running a stock/oem standard shift transmission with a working clutch asm. a 100-pound weight
       reduction..
2. Rear end housing, stock/oem type only. No quick-change rears.
   a. Ford 9-inch floater rears allowed.
   b. All components must be steel. (internal and External)
   c. Welded, locked or spools allowed.
   d. No ratchet type differentials or traction control devices of any kind allowed.
   e. Lower control arm bracket hole cannot be any lower than 5.75 inches from the center of axle tube.
   f. All control arm mounting points must be welded to the rear end housing
3. Drive shafts, must be painted white.
   a. Cannot be smaller the 2 inches in diameter.
   b. Must have 2 steel safety hoops one in front, one in rear.
   c. No aluminum, carbon, or half shafts allowed.  
   

                                                   WEIGHT
1. All cars must weigh a minimum of 3200 pounds after racing with driver.
    No allowances for fuel or water. (ZERO TOLERANCE)
   a. All cars are eligible for a 100-pound weight reduction for stock/oem
       transmission. (see Drive train rules)
   b. Some OEM/Stock frame car are eligible for a 200-pound weight reduction.  (call track tech.)
2. All cars must have final weight displayed on car in the passenger side
   fender/hood area.
3. All bolt on lead or added weights must be SECURELY MOUNTED, brightly
   painted, and have car number on it.
4. Any car losing a weight during a race will be disqualified. 

                                                
                                 
                                   WHEELS AND TIRES
1. Maximum 8-inch wide steel wheels only, No aluminum, magnesium, or carbon wheels.
2. May be any offset.
3. Bead locks are allowed.
4. 1 inch steel lug nuts mandatory with at least 1/2-inch diameter studs.
5. Five lugs per wheel.
6. D.O.T. approved passenger car tires only.
No snow tires or blocked tread patterns
No racing tires, Hoosier, American Racers, Towel City, and Diamond Backs ect.
No Recaps.
7. The following tire sizes will be allowed. P205/75/15—P215/75/15—P225/75/15—P235/75/15—P205/70/15—
     P215/70/15—P225/70/15—P235/70/15
8. Grooving, siping, and grinding tires is allowed.  
9. All tires must be approved by track officials’.                                      



                                    SHOCKS AND SPRINGS​
1. Any non-adjustable steel body shock will be allowed.
   a. Only one shock per wheel.
   b. Can be mounted with any safe shock mount.
   c. Mounts can be adjustable.
2. No aluminum body shocks, coil overs, sliders, and coil over eliminators allowed.
3. Any shock may be claimed for $100.00. (See Claim Rules)
4. Any steel, stock/oem or aftermarket racing spring will be allowed.
   a. only one spring per wheel.                                      
                 

                                                        BODIES
1. Any stock/oem, aftermarket, or homemade body will be allowed but should resemble stock.
   a. It may be constructed out of .040 or thicker aluminum.
   b. No fiberglass bodies.
   c. Bodies must be centered over frame.
   d. All glass, molding and interior components must be removed.
   e. Late model style cockpits will be allowed but must be made of 20-gauge steel
      or .080 aluminum or thicker. sidewalls and holes must be sealed.
   f. Floor boards must be made of 16-gauge steel or .120 aluminum or thicker.
               (1-inch maximum diameter hole for drain)
   g. Stock/oem floor boards may be used but all holes must be patched and
      firewalls sealed off from drivers’ compartment.
   h. No sharp edges or you will not be allowed to compete.    
    


                                                  ROLL CAGE RULES
1. A complete six-point cage is mandatory.
   a. All six mounting points must be welded to factory frame, or a added frame rail that is equal in strength.
   b. 1.5-inch diameter and .095 wall thickness tubing will be the minimum allowed.
   c. The track reserves the right to drill a test hole at anytime.
   d. Cage must have 3 door bars on each side.
   e. Drivers side door bars must have a minimum of 2 vertical bars tying them together and to the frame rail.
   f. The cage must have 2 cross bars one below and one above the windshield opening. (side to side)
   g. The cage must have 1 one-inch vertical bar down center of windshield area.
   h. The cage must have 2 rear cross bars (side to side). The top one must be 2 inches above drivers’ head and the one in the middle should be at top door bar height.
   i. The cage must have three roof bars (front to rear) one on each side and one in the middle area. These bars must clear drivers head and leave room to extract driver thru roof.
   j. The cage must have 2 rear down posts from the top rear cross bar down to the rear frame rails.
   k. Any roll cage the track determine as unsafe will not be allowed to compete



                                     BUMPERS AND NERF BARS
1. All bumpers and bumper support bars must be securely bolted or welded to   frame.
2. All bumpers ends must be capped, turned in, and have NO SHARP EDGES.
3. No cowcatcher or severely over built bumpers will be allowed.
4. All cars must have TOW HOOKS on front and rear of car, easily accessible
   by tow truck operators without removing hoods.
5. Nerf bar is optional between front and rear wheels and from rear wheel to   back bumper.
   a. Must be no bigger than 1.5 inches in diameter.
   b. Can only be one pipe.
   c. Cannot stick out no more than 1.5 inches’ past tire side wall.
   d. All edges must be capped and turned in with no sharp edges.
 ANY CAR WITH UNCAPPED OR SHARP EDGES ON NERFS AND/OR BUMPERS
                               WILL NOT BE ALLOWED TO COMPETE


                                                     BRAKES
1. Must have 4-wheel brakes operable from drivers’ seat.
2. Stock/oem style single piston calipers only.
3. 4-wheel disc brakes allowed
4. Dual master cylinder with balance bars and remote adjusters are allowed.
5. Right front brake shut off allowed but must be in reach of driver.
6. No aluminum rotors 



                                                   SEAT/INTERIOR
1. A Aluminum seat is mandatory, minimum .095 thick.
   a. Seat must be a high back.
   b. Seat must be bolted in with a minimum of six 3/8-inch diameter bolts.
      (4 in bottom and 2 in back)
   c. Seat must be bolted to frame or roll cage.
2. Car must have a 5-point racing seat belt harness and mounted properly.
   a. Harness must be bolted to frame of roll cage with at least 3/8-inch diameter
      bolts
3. All bars in drivers contact area must be covered with roll bar padding.
   (no pipe insulation)
4. Window net is mandatory and the driver must be able to open it from the seat.
5. All pedals must be in stock location in drivers’ compartment. (no hand clutch ect.)
6. No Cable operated throttles allowed.
7. Gas pedal must have TOE LIFT LOOP.
8. Driver must be protected by a sealed front and rear firewalls and both
    sidewalls made with a minimum of 20-gauge steel or .080 aluminum.
9. Cockpit floor must be made from 16-gauge steel or .120 aluminum or thicker.
            (1-inch maximum diameter hole for drain)
10. The ignition switch must be clearly marked on/off.
11. A master kill switch is mandatory and should be placed where the driver and
     safety personnel can reach it. Must be clearly marked on/off.
12. A fuel shut off is mandatory and should be placed where the driver and
     safety personnel can reach it. Must be clearly marked on/off
13. The battery can not be mounted in drivers’ compartment.  


                                              ROOF
1. Any stock/oem, aftermarket, or homemade roof will be allowed but must be
   approved by track.
   a. It may be constructed out of steel, fiberglass, or .080 aluminum minimum.
   b. No half roofs or roof spoilers.
   c. Must be centered over body.


                                                 
                                                           HOOD
1. Any Stock/OEM, aftermarket, or homemade hood will be allowed but must be approved by track.
   a. It may be constructed out of steel, fiberglass, or aluminum at least .040 thick.
   b. Hood scoops will be allowed. Maximum 3-inches tall and 21-inches wide.


                     FENDERS, DOORS, QUARTER PANELS, AND TRUNK LID
1. Any stock/oem, aftermarket, or homemade fenders, doors, quarter panels, and
   trunk lid will be allowed but must be approved by track.
   a. They may be constructed out of steel or aluminum at least .040 thick.
   b. Should resemble factory.
                                        
                                    
                                               UPPER QUARTER PANELS
1. Any stock/oem, aftermarket, or homemade upper quarter panels will be allowed
   but must be approved by track.
   a. It may be constructed out of steel or aluminum at least .040 thick.
   b. Panels Must not be oversize. NO SAIL PANELS
                                              
                                                         NOSE PIECE
1. Must have nose piece. It may be stock/oem or aftermarket replica.
   a. No fiberglass.
   b. Must fit body correctly.
   c. No late model type flares.                                    

                                              REAR PANEL
1. Aftermarket tail piece recommended.
   a. It may be constructed out of steel or aluminum at least .040 thick.
   b. Must be a minimum of 8 inches tall.
   c. Car number must be displayed on rear panel. (6-inch number minimum)


                            
                                     REAR SPOILER
1. Spoiler may be made of lexan or aluminum at least .040 thick.
   a. Maximum height is 6 inches.
   b. Must not be adjustable.
   c. Spoiler sides mat not exceed 6 inches in height or 20 inches in length and
      must not extend beyond the main spoiler.
                  ALL BODIES MUST BE APPROVED BY THE TRACK

  









             
  
             
  

 
 
 

 
 
 
 
 
 
 
 
 
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