A. C. Rubber sway bar bushings may be replaced with metal bushings or eye/lollipop type mounts. The jacking bolts are permitted on the rear springs only. All roll bars must follow the contour of the body. L. Stock type steering box must be used. No added weight is permitted inside the driver’s compartment. A. 20F- 14 BRAKES 20F- 3.7 GRILLES- Grill openings must remain stock for body make/model used. The front mounting points for the front lower A-frames must be 9 3/8 inches, measured from the centerline of the front sub-frame to the centerline of the mounting bolt at the front side of the mount and a vertical height of seven (7) inches (+/-) ¼ inch. Holes are not permitted. 20F- 3.2 GLASS- All glass except windshield must be removed. 20F – 12.9 BODY HEIGHT – Minimum height for the roof is 51” at the roof centerline measured 8” back from the windshield/roof seam. B. Must have helmet shield or goggles. The front kick-out must measure 86 inches from the rear axle centerline. C. The exhaust header flange must mount directly to the cylinder head with no spacers between the flange and the cylinder head. Floating brake rotors are not permitted. General Rules 1. Race of Champions Super Stock … 2021 Media Credential Request Form. Upper & lower A-frames must remain stock OEM & unaltered for year/make/model. 20F- 3 DETAILED BODY REQUIREMENTS- GEAR RULE – The 305 / 302 engine package must use a numerical gear ratio of 3.23 in a GM 7.5″ or a 3.25 in a Ford 9″ rear end housing. 20F- 17. You may not compete without the air filter and air filter housing in place. All equipment is subject to the approval of SMS Officials. Auto Machine, the SMS approved service center. Edits to the tire inventory card after it is turned in is not permitted. All fuel samples taken must exactly match all of the manufacturer’s printed specifications or penalties may result. The brake rotors must be bolted to the hubs. (6) Alterations to allow additional air to be picked up below the opening of the venturi such as altered gaskets, base plates and drilling holes into the carburetor will not be permitted. The intent of this rule is to help control costs, to eliminate very expensive fuel blends and fuel additives, to prevent engine damage from untried concoctions, and to insure that the fuels used are available to all. NOTE: The life expectancy for all mufflers is two years. G. Tubing may be utilized as a replacement for the stock transmission cross member. The latch must mount at the top in the front to roof bar (#3) and release from the inside. Upper A-frame bolts may be replaced for added camber. Post was not sent - check your email addresses! 20F- 12.8.2 GROUND CLEARANCE – A minimum of six (6) inches of ground clearance must be maintained at all times measured at the lowest point of the frame rail. All roll bars must follow the contour of the body. Only one (1) spring per wheel will be permitted. One of the ways SMS Officials will check for chassis travel limiting devices is as follows: With your car’s front wheels rolled up onto 2×6 wood planks, the car’s valence (air dam) must travel downward beyond the top of the wood plank (over-travel the ground) when three (3) crewmembers push down on it. Torque converters must have a retail price of less than $325.00. Stock upper trailing arms may be replaced with DCA P/N 17811 or J.C.I. No racing type spindles. Street Stock almost always has the most restrictive rules, and they often vary from track to track. The open ends of the sub-frame kick-outs must be closed by welding caps on the ends or bolting weight containment caps. SK Light or LLM engines are not permitted in Street Stock competition. Crown Royal Classic RoC Weekend Competition Format. Exterior and interior coatings are permitted. All body panels must be steel. The fuel shut-off valve shank must protrude through a maximum 1-inch diameter hole in the sheet metal to the interior of the driver’s compartment. All steering boxes must be mounted in the stock location and the stock position at an angle of not less than 10 degrees on GM type front sub-frames. H. Springs must be mounted on axle housing in stock location for frame being used. The minimum window net size must be must be 22 inches wide by 16 inches high. Any service work requiring the removal of any seals/ bolts must also be scheduled with and approved by SMS Officials before the seals/ bolts are removed. Ratchets and extensions must be removed from jacking bolts before the car is moved. 20F – 12.1 COIL SPRINGS / SPRING MOUNTS / JACKING BOLTS- One (1) spring rubber insert, not to exceed one (1) full coil, acceptable to SMS Officials will be permitted on each spring. By engaging in competition at SMS, you hereby agree to have read the SMS 2020 General Rulebook and the 2020 Street Stock Rulebook. h�.��|�Wr�&U$��w�ݖP�l\i�����%O�M�p����� �0pN� a���DFd@8�s�QHx`$�\�"8}��% `� v��������u6��hB��ȷ���?�q�����9����lA6��4@S���Tb8?U�;���:��-�V�ҎR����? Fill in your email below to request a new password. Drivers must be a minimum of 14 years of age. Steel after market hubs allowed (Colman, etc.) 2019 Street Stock 305 / 302 Engine Rules. The front mounting points for the front lower a-frames must be constructed using a minimum 3/16 inch thickness magnetic steel. Coolant lines to the engine block, intake or cylinder heads are not permitted. Nerf bars may be made of a maximum of 1” round tubing. The use of any type of fuel catalyst or other fuel-altering device is prohibited. Wide 5 not allowed. Still, the general outline is that a stock block, cylinder heads, and crankshaft must be used. pin boss will be used for locating inspection fixtures. Rotational molded bladders are not permitted. DEFINITION OF STOCK- In the following rules you will see the term OEM Stock used. The sub-frame kick-outs must turn in 90 degrees to the main frame side rails and be welded to the inside ends of the main frame rails. For events where pre-qualifying is in use, the driver will be awarded one tire credit for taking the green flag in the feature. Contingency stickers must be displayed for either product or monetary considerations. The O.E.M. A commercially manufactured SFI rated nylon window net must be installed in the driver’s side door window opening. 2. 20F- 3.2.3 WINDOW NET- All door window glass must be removed. WISSOTA Rules The rules and procedures set forth in this rule book, as adopted by the WISSOTA promoters at their annual meeting, and as amended in accordance with paragraph 1.4, and in effect for all WISSOTA-sanctioned racing events. 2. Roof panels must be mounted in stock position the same as the stock production roof. Durrence Layne Street Stocks 2020 Rules. All parts must be a Holley manufactured part for the 4412 model. The nerf bars must have the ends detailed to prevent hooking. Additionally the transmission tunnel must remain within 2-inches of stock width. Two way communication is not permitted. ... • Concept and sealed crate engines Must use Holley-style straight-leg or down-leg booster carburetors only. Fire retardant shoes highly recommended. B. All cars must be equipped with a magnetic steel steering shaft. Stock OEM exhaust manifolds or Schoenfeld # 185 headers must be used. F. Cambered rear axle housings will not be permitted. The sway bar must be used as it is manufactured. The GM-METRIC tubular front sub-frame must weigh a minimum of 95 lbs. Front rotors must be vein type with a minimum thickness of 1”, rear rotors must have a maximum thickness of 1”. (bare rim). This hole may be covered with sheet metal. A full windshield made from 1/8” (minimum) polycarbonate must be used. Holes and/or other modifications in steering components that, in the judgment of SMS Officials, have been made with the intent of weight reduction will not be permitted. You should now be able to view the rules on your phone or tablet. The battery box must be mounted inside the outer edge of the frame rails and must not extend below the bottom of the frame rail. 4-3/4” to 5-1/4” OD. P/N J.C.I. C. Rebuildable or serviceable ball joints are permitted. All vertical (height) dimensions listed are measured with the frame at 5” ride height at all 4 corners. Weight must be welded in a box or attached with two or more 7/16” diam. (minimum) grade 8 bolts, washers and locking nuts. All NASCAR rule book specifications must be followed. 20F- 2.2 OVERALL CAR WEIGHT– All specified weight requirements are with the driver and race gear, seated in the car. Waddell Communications     www.waddellcommunications.com 860-573-8821. (1) The rear sub-frame rails must be configured and attached in the same location on the left side and right side to the sub-frame kick-outs four (4) inches in from the outside edge of the main frame rails. (8) Butterflies: The stock Holley 4412 or Stainless Steel Holly part #346 butterflies must be used. The total length of the ball joint pin from the top of the ball joint housing to the top of the pin must not exceed 3.375 inches for both upper and lower ball joints. One aftermarket hydraulic bias adjustable unit may be used. DRIVER ELIGIBILITY- All Street Stock drivers must have a NASCAR CHD (Charger Division Driver) license. Two (2) support bars, one (1) located on each corner, must angle upward and be welded to the rear sub-frame side rails. 20F- 16.5.3 FUEL SHUT-OFF – A ¼-turn fuel shut-off valve of minimum 3/8-inch NPT with minimum 4-inch handle is required in the fuel line. Wheel studs must be magnetic steel with magnetic steel racing type lug nuts and the stud threads must extend a minimum of ½ inch beyond the outside surface of the lug nut. No other options or combinations are permitted. JTR Eagle PPM Tester will be set at a fixed level and will be strictly enforced throughout the 2020 season. (6) If the optional tubular metric frame is used, the center to center dimension of the main roll bar #1 and the rear axle must be a minimum of 23-1/2 inches. C. The hood must be solid, and can have no holes or functioning air scoops. May not exceed $95 in retail advertised price. All cars can be rear or mid-motor driven but must be 2wd. Only a round dry type paper air filter element maintaining a minimum 12 inches and maximum 14 inches diameter is permitted. No multi-image or side mirrors permitted. Any brass or aluminum passenger car style radiator is permitted. D. Inserts are not permitted in any part of the header or collector. Begining with the 2007 season, we will allow the use of a Crate Engine in the Street Stock class. D. The stock floor pan may be replaced with minimum .031” magnetic sheet steel bent similar to the original configuration. If a reinforcement bar is installed per NASCAR rule book 20F-16.3 section H, the maximum distance permitted from the center of the rear axle to the center of the reinforcement bar is 37 ½ inches. The wheel spacers must be the same thickness left and right, however, the front and rear do not have to match. SMS Officials may request an access hole be added or any obstructions be removed to acquire a straight line measurement from the back of roll bar # 1 to the centerline of the rear axle. The main frame side rails must be the same size (left and right, height and width), constructed using a single tube, and must be magnetic steel box tubing three (3) inches in width by four (4) inches in height with a minimum wall thickness of not less than 1/8 inch, meeting ASTM A-500 specification. 20F- 2.4 CAR WEIGHTS AFTER RACE- Cars will be weighed as they come off the race track, with the driver and helmet positioned in the seat. 20F- 9 ENGINE EXHAUST SYSTEM A. A Stock OEM steel type pump must be used. Stainless steel mufflers are not permitted. New GM Block, Manley Crankshaft, Eagle SIR I Beam Rods, Mahle Pistons, EQ Heads, Ferrea Valves, Edelbrock Manifold CALL US NOW: (800)341-1528 Minimum post-race weight will be 2985 lbs. 6 TRACK WIDTH – Maximum track width measured outside the tire bulge at wheel center height is 72¼ inches. The battery must be completely closed / sealed off from the driver’s compartment. 20F- 6.1 IGNITION SYSTEM, SMS 602 Crate Engine (Note: the complete cell will be the SU1- Series), and the Fuel Safe Sportsman Cell (SM Series). The front sub-frame rails must be parallel both vertically and horizontally to the mainframe rails from the Stock OEM shock hole location forward. Failure to declare will result in disqualification and loss of all points and prize money. One Stock OEM sway bar may be used in the front and/or rear. three quarter (3/4) inch pin boss located on the mainframe centerline at the front of the front sub-frame cross member. A. The top 3″ in height of the rear spoiler must be clear polycarbonate. 20F- 15 FUEL SPECIFICATIONS Any car part, component, and/or equipment which does not conform to specifications or tolerances contained in the 2020 rule book or is not otherwise approved by SMS may not be used in competition in 2020. h޼�mO�:���?��^�ű+M�JK!� If a muffler is missing one or more of the internal baffles it is illegal. You may not compete without the roof, windshield, hood and trunk panel in place. Any wrapping or binding of the coils will not be permitted. 20F- 5.12.1 CARBURETOR AIR FILTER / AIR FILTER HOUSING 20F- 16 FUEL SYSTEM – See SMS Late Model rule book. Bridgeport, NJ – For those of you who have not read your AARN paper yet, grab yourself a copy and check out the HUGE news for the Street Stock teams across the country.Bridgeport Motorsports Park will be presenting the Street Stock Nationals paying $10,000 to the winner and going 100 laps. The window net must fit tight and be secured with a lever-type quick release latch. Minimum Tire Pressures for all inspection purposes are ten (10) psi for both left side tires and fifteen (15) psi for both right side tires. Rear Sub-Frame Front and rear shocks must be a matched pair, matched left to right. All transmissions must have a constant engagement of the input shaft with gear and countershaft with cluster gears. Track Frequency Channel– 461.13750 UHF (2) The rear sub-frame tail section must extend rearward at a minimum height of 11 inches and a maximum height of 14 inches, to a maximum length of 38 inches from the centerline of the rear axle. The front and rear bumpers and/or bumper covers must be installed in the same location as far as height, width and depth as a stock factory production bumper. The pipes after the muffler may have a maximum diameter of 2 ½ inches must run to within twelve (12) inches of the rear axle housing, then turn down a minimum of 45 degrees. The rear spoiler must be 4” in height and 60″ in width. See NASCAR Weekly Series rule book. Maximum width is 7” wide. May not exceed $95 in retail advertised price. Please read the rules carefully and check back for updates throughout the season. Employment Application. This does not apply to left side weight requirements. All spoilers are subject to SMS Officials approval. The pedal and components may be steel or aluminum. A minimum thickness of one hundred thousandths (0.100) 12ga.magnetic steel must be used to construct the remainder of the front sub-frame cross member. A maximum of one (1) inch lip is permitted from the air filter element to the outer edge of the air filter housing top and bottom. Pulleys must be steel or aluminum. Note: a measurement and angle for the upper A-frame mounts will soon be inserted. Manufactured from round magnetic steel wire. Front sway bar must mount under the frame, in the stock location, and attach to the lower a frames in their stock location. The rear mounting points for the lower A-frames must be constructed using a minimum 3/16 inch thickness magnetic steel. 1. Both the Stock OEM cross member ahead of the rear axle and Stock OEM upper cross member must be used. J. The rear mounting points for the lower A-frame must be 13 inches (+/-) ¼ inch measured from the centerline of the front sub-frame to the centerline of the mounting bolt at the rear side of the mount and the vertical height will be 6 7/8 inches (+/-) ¼ inch. Rules Available in PDF Format. SMS Officials may confiscate and/or impound tires at any time for inspection. Icing or cooling of the fuel system is not permitted anywhere on SMS property. All ground clearance requirements are with the driver in the car. Flat back cars are not permitted. 0 The method used to check camber will be the SMS Officials’ option. SMS Officials may require the replacement of the RPM chip with a track issued chip at any time during an event. This is a PURE STOCK division intended for inexpensive participation. Headlight and taillight openings must be covered. For any technical questions, please thoroughly read these rules, any applicable NWRS Late Model Stock rules, then email tech@staffordspeedway.com. NOTE: All vertical (height) body measurements are at ride height with driver in the car, and all vertical (height) frame dimensions are at ride height. All other chassis year/make/model must be +/- ¼” from factory listed wheelbase. The parts must come on a standard production car. All upward and downward chassis movement must be limited by the spring’s rate or the bottoming of the chassis against the race track. The following upper a-frames are permitted: D. All cars must be equipped with an approved overflow catch can under the hood by the right front fender. Aluminum parts in or on the rear axle assembly, other than wheel spacers are not permitted. All cars must maintain a minimum of 45% right side weight at all times. 20F- 12. The sway bar must be magnetic steel, one-piece, and can be no larger than 33 millimeters (1.299”) in diameter. 20F- 3.8 HOODS / ROOF If you have questions regarding something not detailed in these rules, please consult an SMS Official for clarification before proceeding. Wide range of Wissota Engines - Circle Track Engines - Complete Engines - Engines at CNC Motorsports for all your high performance auto needs. Only one-piece, magnetic steel rear end axle housings will be permitted. B. Torque converter must be operational. D. No part of the air filter or air filter housing may protrude through the hood. The bell housing must enclose the flywheel 360 degrees with minimum 3/16” inch magnetic steel. Only one-piece, solid magnetic steel axles allowed. Adjustable and “mono” ball joints are not permitted. The Street Stock division was designed and created to be an inexpensive way to help competitors develop basic mechanical and driving skills. © 1996-2021 Inner fender wells may be removed from front fenders. Cambered components of any type are not permitted in or on the rear axle housing assembly. 20F- 10.3 BELL HOUSING- Only a commercially manufactured magnetic steel bell housing may be used. Street stock dirt engine (400ci, 2bbl SBC) pulls 560hp on dyno at Borowski Race Engines, Inc. The violet wire of the MSD #8728 or #8727CT must be cut back flush to the unit’s housing. 20F- 6.5 BATTERY- The battery must be located in an enclosed battery box. The driveshaft must be 2-3/4 inches or 3 inches in diameter. The #1 bar must be centered to the chassis. C-clip eliminators are allowed on GM rears. 1978-1987 Chevy Monte Carlo. 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. (4) All frames must have diagonal cross bracing constructed of a minimum one (1) inch by one (1) inch by 0.065 wall thickness steel tubing. The mounting plates for the upper A-frames must be welded to the top of the sub-frame rails and be parallel with the centerline of the sub frame rails. The main roll bar must be mounted vertical (90 degrees) on the center section of the frame with no offset or setback. 20F- 7.4 RADIATOR No carbon fiber or titanium engine, chassis or body parts are permitted. 41 0 obj <>stream 2019 4-CYLINDER STREET STOCK RULES AND REGULATIONS GENERAL: This information is to be used in addition to the general rules section listed for all classes. Teams may use the 602 or 604 Chevrolet Crate engine in the original, unaltered form with the original, unaltered seals from Chevrolet. Cracked windshields are not permitted. Push/Tow Truck Volunteer Application. (fasteners not included). Rear window is not permitted. Air induction, ducts, baffles, tubes, funnels or anything that may control the air entering inside of, or between the air filter and carburetor is not permitted. A. Lower control arms must be stock and unaltered for the make, model, and year of the car. If a gas cap is used it must be painted white with the car number on it for identification. Size or shape must not be altered. No modifications are permitted to the spindle or hub assemblies. 4.1 OEM FRAME ROLL BARS – See NASCAR rule book. No car, component, or equipment will be considered as having been approved by reason of having previously passed through inspection unobserved. 2018 Street Stock Rule Book DISCLAIMER The rules and/or specifications set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable requirements for such events. Sorry, your blog cannot share posts by email. Any Fords that are shortened to 108” wheelbase are allowed to use the Ford Thunderbird body from the same era. See weight requirement below. Front firewall must be in stock location and be made of minimum .031” magnetic sheet steel with all holes covered using magnetic sheet steel a minimum of .031” thickness. Modifications to the sway bar are not permitted. must be used. These rules are intended to create affordable and fair competition. Each division will be notified as to what stickers are required to be eligible for contingency rewards. H. Additional X-tubing may be added so long as the tubing connects to the cross member and is not one continuous piece running from corner to corner of the stock frame. Mufflers must be removable for inspection. The Tire Inventory card will be filled out and turned in to the Tech Center each week prior to the scheduled drivers meeting. Wheels must measure 3 ½ inches (+ or – 1/2”) from the mounting flange surface to the outer contact surface of the tire bead. RPM limiters must be fully functional and operational at all times. New drivers at our last event will get 8 tire credits, 4 for new and 4 for used spares. Both coil ends closed and ground.