Doug Fort's
Santa Maria Speedway
"The West's Best Short Track!"

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OFFICIAL SPECIFICATIONS FOR STREET STOCKS

ATTENTION ALL DRIVERS: Our goal is to complete our racing programs by 10:30 p.m. The pit booth will be open from 3:00 p.m. to 6:00 p.m. and the following will be enforced ... Any driver not in his assigned starting spot when the cars roll onto the track for any event, will start at the rear of the pack. Once the initial green flag has been thrown, you may not join the field unless there is a complete restart. All races will use a rolling start. Sponsors will be read over the P.A. system during the course of the evening. Main events will be limited to 30 minutes (Count down clock will be stopped on red flags).

CAR ELIGIBILITY

Body Type: American made cars with steel body. Aftermarket aluminum hoods OK. No Convertibles, station wagons or 2-passenger sports car models.

Wheelbase: Minimum wheelbase 105” per manufactures specifications.

Pick up trucks: Okay, but must conform to all Street Stock mechanical rules. And, specifically, ½ ton maximum; 6’ bed maximum; tail gate required; metal tonneau over bed required; and fuel tank must be filled from inside bed.

ENGINES AND ACCESSORIES

Sealed Engines: Sealed engines are available and maybe used for the 2005 season. Contact SM Speedway for more information.

Engine Interchange: No engine interchange between makes. Ford engine in Ford, Chevy in Chevy, Dodge in Dodge, etc….

Engine Location: Engine may be aligned with number one spark plug centered on ball joint.

Engines: 365 cubic inch maximum size - minimum weight 3,000 lbs. with driver any time. No dry sumps. Cast iron blocks only. No titanium parts.

Cylinder Heads: Any cast iron cylinder heads.23 degree valve angle +or- 1 degree. No porting or polishing of intake or exhaust runners. Ported heads may be run at 3125 lbs.

Cams & Rockers: No roller cams. Roller rockers allowed.

Intake: Any cast intake manifold UNTOUCHED

Carburetion: 4412 Holley 500 CFM with 1 11/16 throttle bore and 1 3/8 main venturi. No alterations allowed, except choke tower may be removed. One-inch spacer allowed between carburetor and manifold.

Closed-Throttle Spring: 2 Throttle springs mandatory.

Air Cleaner: A metal air cleaner top must be used on all carburetors to act as flame arrestor.

Headers: Header okay. No 180-degree headers or crossovers. 95 decibels at 100 ft.

Distributors & Coils: No magnetos

Starter: Operative starter in stock location.

Radiator Overflow Tank: ALL CARS must be equipped with a radiator overflow catch tank.

Kill Switches: must be labeled and visible and easily reached by driver.

Oil Pan: Must have 1-inch inspection hole for rod and crank inspection. Be prepared to drop pan if hole is not available.

TRANSMISSION, DRIVE TRAIN

Transmission: Manual or automatic permitted, but only stock production type.  No special engine-transmission adaptor plates permitted. Automatic transmissions may use a coupler instead of a torque converter.

Drive Shafts: Aluminum drive shaft optional.

Drive Shaft Sling: Drivelines must have safety straps at front and rear of drive shaft made of metal straps. All drive shafts must be painted white.

Rear Ends: 9” Ford rear ends allowed. Spools Only. No exotic devices I.e. Detroit lockers- Gold Track, etc. No quick change. Floaters allowed.

Bell Housings & Steel Scatershields: Steel Bell housing required over clutch assembly. ¼” thick steel plate or trans blanket required over automatic transmission case.

Clutches: Any clutch allowed.

CHASSIS AND SUSPENSION

Frames: must be stock for make and model. Sub frame connectors recommended. Must be fully welded in. Weight jacks allowed. Leaf spring sliders allowed. Racing springs and shocks allowed. No canister shocks. No coil over shocks or coil over eliminators. All cars must have original type suspension: Leaf springs on Camaros, Firebirds, etc.; coils on Monte Carlos, Oldsmobiles, etc.

Front Control arms: Control arm that supports coil spring must be stock.

Heim ends: ok on front suspension in stock location. No aluminum heim joints.

Brakes: OEM brake calipers only front and rear.

Coil cars: must use factory lower control arms, in factory position, in rear. Upper control arms, heim ends, allowed. Must be in factory position.

Leaf spring: cars may use adjustable lowering blocks. No composite or fiberglass leaf springs.

WHEELS

15x8 steel wheels only. No mag, slotted, wire or other accessory type wheels allowed.
Over size studs recommended.  Bead locks O.K.

TIRES

The following Hoosier tires have been mandated for use at SMS:P245/60D-15, P255/60D-15, P265/60D-15. All have 8” tread width. Soft or medium compound on front. Medium or hard on rear. Any defacing of specs on sidewall will make tire illegal. No grooving or siping of any kind. Medium or hard only Starting with July 16th race.

California Street Stock championship allows any compound, or any combination of the 3, on all four corners.

BODY

General Appearance: Body must be straight and sound in stock position on frame. Must be neat appearing, no junkers, no brushed on or spray canned lettering (subject to promoters discretion). Bodies must be stock appearing for make and model. Must have complete body. Rear may be open. Original or after market steel bodies allowed. # plate with minimum 4 inch numbers mandatory on rear. No Outlaw, Wedge, or Dirt late Model bodies allowed. Newer bodies allowed on older chassis. Rear spoiler allowed, no wider that deck lid and no more than 6 inches high. No lowering, chopping, enlarging of windows, etc. Bodies subject to approval of officials. Aluminum hoods ok.

Hood & Trunk lid: Full hood and trunk lid. No cooling or filling holes of any kind may be cut in hood or trunk lid. Hood and trunk lid must be secured with minimum of 4 pins each.

Warning: no car will be allowed to run without hood in place.

Floor pans: Complete steel floor pan - Coffin box O.K. over floor pan but driver must be completely sealed from race track, engine compartment and fuel cell area.

BUMPERS

Type: Front and rear bumpers required at all times. Bumper straps required in front and rear.

Warning: Cars losing front or rear bumper will be black flagged for remainder of that race.  Provide connection (hook, loop or loop of chain) front and rear to facilitate wrecker hook up.

IDENTIFICATION

Officially signed numbers at least 18” high and 4” in width (10% tolerance) must be neatly lettered on both sides of car and on roof.  A 4” high and 1” wide number must be lettered on the front nosepiece or sun visor.  Numbers must be clearly readable to scorers. Gold or silver not advisable unless outlined in a contrasting color.  Numbers may not be written out, numerals only.  # plate with minimum 4 inch numbers required on rear.

SAFETY

Any car regarded by officials to be unsafe for competition in any respect will be refused entry until brought up to these specifications.

Glass: Removal of all glass mandatory. Approved protective screen must be installed across windshield opening. Bars recommended.

Seats: Aluminum racing seat mandatory. Seat and seat belt mounting will be strictly inspected.

Safety Belts/Shoulder Harnesses: Racing seat belts only. All belts must be dated, and no more that two years old. Under no circumstances can belts be secured by bolting to floor or to stock belt mounts. Seat belts should be mounted to roll cage per manufactures specifications. Belt and harness installation will be STRICTLY inspected!

Fire Safety Equipment: Fire suits, fire resistant gloves, fire resistant underwear and shoes are mandatory.

Helmets: Approved racing helmets with face shield. Snell 2000.

Window nets: standard size (16 x 22) window net required.

Gloves: Racing gloves required (I.e. Nomex or equivalent).

Steering: Center of steering wheel must be padded.

No safety…No race!!!

ROLL BARS

Full roll cage with 1 ¾ main hoop and minimum of 3 door bars required. Must have diagonal bar behind driver for main hoop. Roll cage should be X’d anywhere possible for strength and safety. Roll cage subject to approval by SMS officials.

FIREWALLS

Rear Firewall: Must completely seal fuel cell area from drivers compartment.

Front Firewall: Must completely seal engine bay from drivers compartment.
front firewall must extend entire width of car.

FUEL CELL, GAS LINES, FUEL PUMP, FUEL

Fuel Cell: Approved fuel cells mandatory. Completely enclosed in minimum 18 gauge metal box. Cell must fill from inside trunk.

Installation: INSTALLATION OF FUEL CELLS WILL BE STRICTLY INSPECTED!

Fuel Lines: Use of stock fuel lines O.K. Must be fastened securely to frame of car with stock clips or additional hold-downs. Where fuel line is adapted to new cell, lines shall not be allowed to hang down under car. Line should be cut to length needed, and kept tight against underbody of frame. Neoprene fuel lines may be used in adapting lines to fuel cell. All gas lines and connections must be absolutely leak-tight. Fuel line will be strictly inspected.

Fuel pumps: Must be located on engine. No electrical fuel pumps.

Fuel: Gas only. No alcohol.

Fire safety: A fire extinguisher must be located in each car’s pit area. Dry chem. system recommended in car.

TEARDOWNS

ANY DRIVER REFUSING TO ALLOW POST RACE INSPECTION OR TEARDOWN WILL LOSE ALL
POINTS FOR THE NIGHT AND ALL PREVIOUS RACE NIGHTS.

Click here to return to previous page...PROTESTS

1. A protest in writing, by any owner or driver, on an approved Santa Maria Speedway protest form, along with $200.00 cash, may be filed with the Chief Steward within fifteen (15) minutes following the finish of the event. Protests will be settled by the "Protest Committee". If the protest is upheld, the $200.00 fee will be refunded. If the protest is denied, the $200.00 will go to the SMS Driver's Benevolent Fund. In the event an engine tear-down is required, the only persons allowed at the tear-down will be the SMS Tech Inspectors and the car owner. Frivolous protests will be denied.

a. No protest will be accepted that is directed at a decision of an official, including but not limited to timing and scoring decisions, inspections and race procedure decisions.

b. Discussion as to official rulings, race procedures, etc. will be conducted with the driver only.

MISCELLANEOUS

1. Accessories: No radios or scanners in cars or in pits. No mirrors.

STARTING POSITIONS

FIRST NIGHT - Drivers are awarded starting positions in heats, by draw.

SUCCEEDING NIGHTS - Drivers are awarded starting positions in heat races based on their point standings.

All mains will be run totally, or partially, inverted. First place in points starts outside the last row in first heat. Second highest outside the last row in second heat. Third highest inside the last row in first heat, etc. If more than two heats are necessary the progression will be carried further. New drivers start last in heats. Ties in points determined by first driver to reach that point total. If two drivers reach the same total on the same night, the driver finishing higher in the main event will be given the position.

POINT SYSTEM

See "Championship Points", General Rules (Hardcopy - Page 5)

LICENSING

1. Fees: Drivers - $33.00; Mechanics - $33.00; Owners - $33.00; Car Number - $33.00.

SPECIAL NOTE: If in doubt, ask before you build or race!

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Doug Fort's
Santa Maria Speedway
"The West's Best Short Track!"

E-mail
P.O. Box 1270 ~ Morro Bay, CA ~ 93443-1270
Tel: 805-466-4462 ~ Fax: 805-466-1514