THIS DIVISION RACES ON THE HALF-MILE OVAL

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 EXPRESS OR IMPLIED WARRANTY SHALL RESULT FROM PUBLICATION OF,

OR COMPLIANCE WITH THESE RULES OR FROM SUCH ALTERATION OF SPECIFICATIONS

The Portland Speedway Race Director shall be empowered to permit minor deviations from any of the

specifications herein or impose any further restrictions that, In the judgement of the Race Director, do not alter the minimum acceptable requirements.

Interpretation and Application - If there is a disagreement or dispute regarding the meaning or application of the Portland Speedway Street Stock Division rules, the interpretation and application by the Portland Speedway Officials shall prevail.

Finality of interpretation and application - The interpretation and application of the Portland Speedway Street Stock Division rules by the Portland Speedway Officials at the track shall be final and non-appealable.

DRIVERS:

Drivers must be NASCAR members 16 years or older, and registered as a Portland Speedway Driver. Drivers and crew members 16 thru 18 must present a notarized release, for the current calendar year, to the track before they are allowed into the Pit Area. Drivers must read and sign Portland Speedway Pit & Track Rules.

NUMBERS:

Portland Speedway numbers will be assigned with paid license application. Contact the Portland Speedway Office for your racing number.

A minimum 8" high white number is required on the upper right side of the windshield.

A minimum 24" high, 3" stroke numbers is required on both doors (and only the door area).

A minimum 30" high, 3" stroke number is required on the top of the car – facing the outside (or right side of the car).

No Metallic or reflective numbers allowed.

All numbers must be legible with paint schemes approved by Track Officials.

A. ELIGIBLE MODELS:

Limited Sportsman racing is open to any American-made steel-bodied cars or full-size pickups 1955 model year an newer. Convertibles, Station wagons, four (4) wheel drive, rear-engine or sport models will not be permitted. Cars/Trucks must remain neat in appearance. This rule will be strictly enforced.

Wheel base allowed: 101" – 115" (stock to year and make).

B. BODY PREPARATION (Exterior): All bodies will remain stock from front to back.

Doors may be fabricated, but must be no less then 22 gauge steel and formed to match stock doors, and must be welded securely shut

Body may be dropped no lower than if rubber grommet removed.

Fenders may be trimmed for tire clearance only. Wheel well openings must match center line of tires. Tires must not extend outside of original body line.

No wings, air dams, spoilers or outside nerf bars allowed. Lower front air dam allowed, but no wider than the radiator.

A non-adjustable rear spoiler not exceeding four (4) inches in height may be mounted no further rearward than the trailing edge of stock dimension trunk or hatch with latter in normal, closed position. Spoilers must be solid, non-adjustable, and control the flow of air over one surface only. No rudders, braces, wires or forward mounting brackets are allowed. Spoiler must be sufficiently rigid to prevent deflection at racing speeds. Rear spoiler may be painted or polished natural aluminum, recommend 3/16" clear Lexan. No decals or lettering on rear spoiler.

Independent front suspension of steel construction is mandatory, with articulated upper and lower control arms.

Stock hood must close in original configuration. No holes, "bubbles" or scoops will be permitted. Hoods and deck lids will be removable and accessible for inspection. Hoods and deck lids must be on to start race

No spoilers, fins or air management devices allowed on roof, hood or trunk lid

Pick-up rear of cab may be no more than 78" back from center of lower ball joint No offset side-to-side or front-to-rear. STOCK HOOD MUST CLOSE IN ORIGINAL CONFIGURATION. NO HOLES, "BUBBLES" OR SCOOPS WILL BE PERMITTED.

Pick-up body may be gutted. All original dimensions must be maintained. Rocker panels and door jams must be as factory produced, un-altered. Firewall must be maintained as factory un-cut, with all holes covered with at least 22 gauge welded steel. Rear of cab must be stock from top to bottom. Floor may be fabricated, but must be at least 22 gauge welded steel construction.

Pick-up box may be gutted, and may be shortened to match wheel base. Box must retain factory dimensions and appearance. Minimum 22 gauge steel must cover entire top of pick-up box. Must have solid steel tail gate of factory dimensions. 8" non-adjustable spoiler may be used (6" MUST be clear lexan), mounted on tail gate, which may be no wider than tail gate. A solid 22 gauge steel hinged door must be built on top and rear of box for access to fuel cell compartment.

BODY PREPARATION (Interior):

Upholstery, sound deadening material, door panels, carpeting, rear seat, head liner and all other flammable materials must be removed.

Full factory floor boards must remain in place with no alterations. Stock floor pan, right side can be notched or cut for clearance for exhaust system.

All bodies must retain stock firewall (will be measured).

No Holes may be left open in the fire wall. All holes must be covered, using a minimum 22 gage magnetic steel patch, welded or bolted in place. Pop rivets will not be allowed. A rear fire wall must be installed between the drivers compartment and the fuel tank area. The rear firewall must be constructed using a minimum 22 gage, magnetic steel, panel that completely seals the fuel tank area from the drivers compartment. The entire drivers compartment must be sealed from the race track, engine compartment and the fuel tank area.

BALLAST WEIGHTS:

Minimum weight for cars or pick-ups above 101" without modification 3,200. lbs. 101" cars in which leaf springs have been replaced with coil springs, pick-ups with modification to frame 3,300 lbs.

Left side % - 101" cars, and cars with chassis modifications 55%. Cars without modifications, pick-ups with modifications 56%. Pick-ups without modifications 57%.

All weights must be in block form of no less than 5-lb. Blocks

All weights must be painted white with car number painted in contrasting color.

Weight must be securely attached to main frame rail or major cross-member structure.

NO "OUT RIGGER-TYPE" BALLAST WEIGHT BRACKETS.

E. WINDSHIELDS - GLASS:

Windshield is mandatory. May be Lexan. The windshield must have two (2) , One (1) inch wide by 1/8" thick vertical magnetic steel straps installed, on the exterior of the windshield. These straps must be bolted securely at the top and bottom of the windshield. Pop rivets or sheet metal screws will not be allowed.

All side glass to be removed.

Lexan with two (2) straps in rear window permitted.

F. SEAT/SEAT BELTS:

Seat and seat belts must both mount to roll cage.

Three-inch racing seat belts, a shoulder harness and approved anti-submarine belt with the metal to metal fasteners and quick release feature are mandatory. Mounting shall be to structural members (not to floor panel) via quality hardware.

G. WINDOW NET:

A nylon ribbon-style window screen is mandatory. The ribs must be a minimum 3/4-inch material. Minimum window screen size will be 22 inches by 16 inches. Must release from top with seat belt type latches. Must be attached to the roll cage top and bottom.

H. FIRE EXTINGUISHER:

Fire Extinguisher: Dry charged 2 3/4-1b. minimum, with quick release. No taping allowed. Metal mounting bracket mandatory. Must be within easy reach of driver. Must Be Fully Charged! Recommend on-board fire extinguisher system

I. HELMETS:

Racing helmets are mandatory. It is recommended that helmets meet the specifications set forth in the Federal Motor Vehicle Safety Standard Regulations or meet the specifications set forth by the American National Standards Institute, Inc.

It is strongly recommended that all drivers record blood type and Rh factor plus any major medical allergies to adhesive tape label inside helmet. It is recommended for drivers to remove dentures while competing.

J. GROUND CLEARANCE:

Minimum ground clearance of all components will be 4", measured with driver in normal driving position.

Fuel cell will have a clearance of 11 inches.

K. ENGINE:

Maximum 358 C.I.D. for GM and Ford engines. Maximum 365 C.I.D. for Chrysler engines. Must remain Ford to Ford, GM to GM, etc. Any cylinder shall not exceed a maximum of 10.5:1 compression. Flat top pistons must be used. No portion of the piston may protrude above the top of the block surface. Stock cast iron blocks, intake manifolds and cylinder heads only. B & A Ford Performance, Inc. cast iron dual plane "Street Boss 351W" Ford intake manifold is approved for use, subject to all applicable engine rules. No porting or polishing or deburring of cylinder heads and or intake manifold. Three angle valve jobs are permitted. When cutting the valve seat angles, no stone or grinding marks are permitted above the bottom of the valve guide. Surfaces where the cutter or stone has touched must not be polished. Valve pocket line must be untouched and intact. No hand grinding or polishing is permitted on any part of the head. MAXIMUM VALVE SIZE 1.94". Ford 351 cubic-inch Cleveland engine may use 2.04" intake valve. Engine must be mounted so that the center line of the furthest forward spark plug hole is in line with the center line of the ball joint. The engine, driveshaft and rear housing must be located so that the center line of the drive train is within one (1) inch of the center line of the tread width, of the car. The engine angle must be within standard stock position. No tilting or angling.

No aluminum engine components.

NO ROLLER ROCKER ARMS. Roller tips allowed - Steel only.

No roller or mushroom cams.

No oversized or mushroom lifters.

No angle-plug heads on Chevrolet. No Vortec heads. All cylinder heads subject to approval.

No magneto or crank-fire ignitions.

No dry-sump oiling systems.

The World Products cast iron cylinder head for Chevrolet blocks (part numbers 4265 and 4265A) is approved for use, subject to all other applicable engine rules.

Alternator must be a separate component, and mount on front of engine

L. INTAKE MANIFOLDS:

Aluminum intake manifolds will be permitted, dual plane manifold only will be permitted (GM – Edelbrock 2101), (Ford – Edelbrock 2181). Only a Mr. Gasket carburetor adapter # 1933 may be used to adapt the carburetor to the intake. The adapter cannot be altered in any manner. Only two .050 paper gaskets may be used. No other spacers or adapters allowed.

M. EXHAUST MANIFOLDS/EXHAUST SYSTEM:

Standard type headers will be allowed (1-1/2 – 1-5/8 tubing). The header tubes may not pass under or over the engine at any point. 180 degree headers will not be permitted.

All race cars/trucks must be equipped with complete exhaust system, including mufflers. The exhaust system must be in good working order with no leaks or openings between engine and mufflers.

No race car/truck may exceed 96 Dba at 50 feet, or current Portland Speedway regulation. Readings will be taken while car/truck is moving on race track. THIS RULE IS STRICTLY ENFORCED. Any car/truck exceeding these noise requirements at any time, will not be allowed to compete until repairs are made.

N. CARBURETOR:

The only approved carburetor for 2000 will be the Holley 2 barrel, part # 07448 model #2300. The only modifications allowed will be to remove the choke butterfly.

Jets and power valves may be changed, but must be same type as original.

NO TAPERED BOOSTERS.

NO PLASTIC FUEL FILTERS.

TWO (2) RETURN SPRINGS ARE REQUIRED.

O. AIR CLEANER/ AIR CLEANER HOUSING:

Air cleaners mandatory.

Only a round metal air cleaner housing is permitted. No tubes, funnels, or any other device which may control the flow of air is permitted inside of the air cleaner or between the air cleaner and the carburetor.

Call office for information on a discounted carburetor offering.

P. ALTERNATOR:

If used, the alternator must mount in the stock location on the front of the engine.

BATTERY:

If battery is in drivers’ compartment or near fuel tank, it must be securely bolted down and covered with insulation and encased in covered box.

R. RADIATOR:

Aluminum radiators will be permitted.

All cars will have a one (1) gallon overflow radiator can.

No oil, transmission, or rear-end coolers allowed in driver’s compartment.

S. CLUTCH/TRANSMISSION:

Multi-disc clutches will not be permitted. Minimum clutch diameter, 10 inches.

Manual or automatic transmissions will be allowed.

Transmission must bolt up to engine without the use of an adaptor plate

All transmissions must have a working reverse.

All cars must run a scatter shield around clutch and converter.

T. DRIVE SHAFT:

The drive shaft must be painted white and have two 360-degree loops located within 12" of both ends of the drive shaft. Recommend 1/4" x1" mild steel flat bar for loops. Must be of sufficient strength to contain drive shaft.

U. REAR ENDS:

Stock type to mount with stock mounting brackets. Floater type optional. Quick-change rear axel housing will not be permitted.

No aluminum components.

No cambered rear axle housings permitted.

Rear-end housing must be mounted in same manner as make and model of car. All brackets must be welded, not bolted, to rear-end housing.

No ratchet-type or limited-slip-type rear ends allowed.

Only metal drive plates are permitted and drive plates must be one piece with a single internal spline. Grease fittings are not permitted on drive plates or axle caps.

REAR-END MAY BE LOCKED UP BY USE OF A SPOOL, MINI-SPOOL, OR WELDING. NO RATCHET-TYPE OR LIMITED-SLIP-TYPE REAR-ENDS ALLOWED!

V. FRAMES:

Stock frames will remain GM to GM, Ford to Ford, etc. Converted FasTrucks may be exempted, subject to approval of Portland Speedway Officials.

Wheel base will be stock for year and model of body.

Bumper straps mandatory, front and rear (bumper to body). Must be 20 gauge material and minimum 4" width, bolted or welded in place.

Tying of unibody type car frames together with rectangular tubing permitted. Front clip must remain stock. The only alteration allowed will be for minimum fuel pump clearance.

Cars with front clip modifications more than fuel pump clearances, will carry a 50 lb. Weight penalty up front.

No frames under unibody cars.

Rear Clips must remain like stock (2 x 3 tubing) no under-slung setups.

W. SUSPENSION/SHOCK ABSORBERS:

Maximum tread-width will be 77" measured on outside of tire at spindle height (and as raced).

Lower control arm mounting points must not be altered or moved. Upper control arm mounts may be altered or moved. Upper and lower control arms must remain of stock-type.

Front anti-sway bar must be one piece solid OEM type bar (may be adjustable). Must use factory-style springs for car year and model. Springs must remain in factory stock location. NO overload springs.

NO after-market front hubs or fabricated spindles..

Shocks must be steel body. One shock per wheel. maximum four (4) shocks. NO coil-overs, NO reservoir shocks, NO adjustable shocks. No external adjustment valves or devices.

Metal knuckle joint on steering column by steering box mandatory.

Steel weight jacks allowed in all cars. 3rd link must be a solid bar, but can be adjustable with heim joints.

Leaf springs to be mounted in factory stock location. Must mount with through-bolts on front and rear. No fiberglass springs allowed. Top of rear coil spring buckets must be solidly welded.

Rear leaf springs may be replaced with a minimum OEM-type coil springs. Subject to all other spring rules. Rear coils no lower than 1" below rear-end housing. Rear-end lower trailing arms must be OEM-type.

X. BRAKES:

All four (4) brakes - one at each wheel - will be in working order and be able to slide car. Must be solid mount (no free-float). No aluminum rotors or calipers.

Y. ROLL CAGE:

Complete roll cages are mandatory, and must be approved by the Track Officials.

Bars shall be made of material not less than 1 3/4" O.D. steel with at least .090 wall thickness. No aluminum, galvanized, or other soft metals will be allowed. Only approved roll cages will be permitted. For unitized bodies: cage must be attached to 6-inch square plates; minimum 3/16" thickness. Recommend fish-plated to plates with the same specs, with four bolts of 3/8" minimum diameter must be used to attach the plates. Door bars must be tied together vertically in center.

You must have a minimum of 4 door bars on each side of car. Left side door bars must curve out to within 1" of door skin. Door bars must be tied to frame at center. An upright brace between each door bar shall be welded into place. Right side bars may run straight between hoops instead of curving out to body line. Bars must be of same material as roll cage and similarly gusseted. 10 gauge steel plate completely covering lower half of left side door bars, solidly welded into place, is required.

Wing window bars required and must be constructed of minimum 1-3/4" O.D., .090 steel tubing.

ROLL CAGE MEMBERS MUST CLOSELY FOLLOW OPENING CONTOUR OF WINDOWS ON BOTH SIDES AND WINDSHIELD.

All bars which can be reached by driver, as well as steering hub, should be padded with resilient material.

Fuel tank protection bar required.

Pan-hard bars allowed. Must use a through-bolt for mounting on both ends. Heim joints allowed on pan-hard bar.

Z. FUEL PUMP:

Stock fuel pump only and must be located at the engine. No electric fuel pumps!

AA. FUEL/FUEL CELL:

Gasoline only as a fuel. No additives. No nitrous oxide. No alcohol. No exotic fuels. Fuel specifications are as follows: Portland Speedway reserves the right to require all cars to use the same brand of gasoline.

Fuel tanks must be built of steel. Recommend minimum 3/16" steel construction. 10-gallon maximum. Subject to Tech approval.

No stock tanks allowed.

Fuel cell strongly recommended 22-gallon maximum. Must be fully encased in a minimum 22-gauge steel box.

Fuel tanks will be mounted to the frame on each side and trussed pipe behind tank connecting roll cage.

Check valve mandatory.

Firewalls will be no less than 22-gauge welded steel (no aluminum) and will be completely sealed to afford complete protection from punctured fuel tanks.

BB. WHEELS:

Maximum 8" wheel, 5" off-set maximum on width, measured from bead of tire to lug nut seat. Right front will have double center (1/4" stock car type wheel permitted). Wheel studs must be 1/2" minimum diameter with sufficient threads to extend through the lug nuts. NO BLEEDER VALVES ALLOWED. Maximum 8" wheel, 5-1/8" off set.

CC. TIRES:

Only Portland Speedway approved tires permitted. Except for designated events, no more than one new tire per car per race meet shall be allowed. Tire must be used same day as purchased. The above tire rule shall be administered as follows:

Approved tire: To be announced on or before February 15, 2000.

All tires shall be purchased through the designated dealer.

All cars shall be allowed to purchase six (6) tires for the beginning of the 2000 racing season.

Tires shall be registered to cars by means of a numbering system. It shall be the responsibility of each competitor to ensure that their tires have been properly registered with the dealer and the designated track official.

Any unregistered or improperly registered tire shall be considered illegal.

Any tire which has less than 3/32" tread shall be considered "used", and may be sold AFTER it has been properly registered as a used tire with the dealer and the designated track official.

Any additional tires purchased specifically for test and tune purposes shall be properly registered with the dealer and the designated track official.

Tires that have been altered by unauthorized treatment (e.g., shaving, siping, chemical soaking, etc.) will not be permitted. Severe penalty for non-compliance.

NO OUTSIDE, CLAMP-ON WHEEL WEIGHTS ALLOWED.

DD. CLOTHING:

It is strongly recommended that at all times drivers wear driving suits, gloves and shoes of fire resistant material that effectively covers the body. (Strongly recommend fire retardant suit and undergarments).

EE. GENERAL RULES:

Communication between driver and Track Officials during a racing event is the responsibility of the driver. If radios are used they must be of two-way voice communication type only, independent of the car’s electrical system.

Rear view mirror must not extend outside of car. Mirrors subject to tech approval.

All cars must have four (4) tow loops, one on each corner of car.

No onboard computers, record-keeping devices or writing permitted.

No traction control devices allowed!

All gauges must be analog-type. NO DIGITAL!

Protest and other official rulings will be handled through the current NASCAR Rule Book, and Portland Speedway Track & Pit Rules.

FF. ENGINE PROTEST:

If a Competitor believes that another Competitor has or will obtain a significant unfair competitive advantage by some action that the Competitor believes is in violation of Section 10 "Engines" above, the Competitor may protest such action to a Track Official. The protest must be made in writing by the Competitor (or his crew chief or car owner if the Competitor is a driver and is on the race track) within twenty (20) minutes after the checkered flag is displayed signifying the completion of the race. Each separate protest shall be accompanied by a $200 protest fee. The Track Official shall decide whether the matter is protestable, and if so shall decide the protest as whatever action deemed appropriate to further the interests of fairness and finality in competition results. Such action includes, but is not limited to, revising the official race results, imposing penalties (disqualification’s, suspension or fines), awarding or subtracting points, or taking no action.

We expect all participants to take pride in being part of our presentation, entertainment and racing. Racing entertainment is what we sell to the public, and we will not tolerate anything that detracts from a professional presentation. Cars, in the opinion of the management, that detract from the show by their appearance will be denied entry and/or the ability to race until they are made acceptable to the Track Officials.

NOTICE: All Rules Are Subject To Interpretation of the Track Officials. Any Equipment That Officials Consider Exotic or Not In the Intent of the Rules Will Be Considered Ineligible for Competition. In the Interest of Fairness, the Rules May Be Adjusted to Create a Balance In Competition.

THE TRACK RESERVES THE RIGHT TO INSPECT CARS AT ANY TIME

AND TO IMPOUND ANY & ALL ILLEGAL EQUIPMENT.