2010 MODIFIED RULES

3D"SABINE 2010 MODIFIED RULES

BODY: 1970 or newer American compact passenger cars only. No panel vans or station wagons. An aluminum sun visor may be used on driver side of the front window opening o= nly, max 6”. Stock appearing front window support units must be used (pain= ted roll bars are not acceptable substitutes). A minimum window opening of 12” must be maintained on both side window openings. Streamlining at = the top of windshield is not allowed. Bodies must have standard appearing windshield opening and corner post must follow standard configuration. Orig= inal roof line of vehicle must be maintained with a maximum of 5” of slope from rear to front. No more than ½” stiffener allowed at the r= ear of the roof and must turn down perpendicular to the ground. O.E.M. Gremlin roofs are not allowed. Sail panels must be of matching design with matching styles on both sides of racecar. No belly pans. A belly pan will be defined= as any object or material that alters the airflow under the racecar. No panel = in front of the right door next to the engine compartment. No racecar will be allowed to compete with excessive body damage (to be determined by official= ).

APPEARANCE: All rac= ecars must be numbered with large legible numbers on both sides, on top and on the nose. Numbers on the sides of the racecar should be in contrasting color fr= om the body and be at least 4” thick and at least 18” high. Top numbers should be at least 4” thick and 24” high.

SPOILERS: A maximum= rear spoiler height of 6” of total material will be allowed. Rear spoiler = may not exceed the width of the rear deck lid. A maximum of 4 (four) supports m= ay be installed on the front of the rear spoiler. Supports may extend to a max= imum of 2” about and a maximum of 2” behind the top of the rear spoi= ler. Supports may be a maximum of 24” total length. A maximum 2” tall fin is allowed on each side of the nosepiece. Fins, wings or other air spoi= lers (except as noted above) are not allowed. The rear deck lid and/or trunk area must be covered. Aluminum roofs are allowed. Doors and quarter panels may be mounted a maximum of 1” above the back of the engine block. Excluding hood and nosepiece, the tope of the body should extend no further forward t= han the back of the engine block. The bottom of the body may extend up to 12= 221; forward of the back of the engine block.

ROLL CAGE: round st= eel tubing, seamless roll-over bars are required for the basic roll cage, and m= ust be acceptable to officials. Acceptable tubing is as follows: 1 ¾R= 21; O.D. x .090 or 1 ½” O.D. x .095 for mild steel and DOM tubing = (1 ¾” O.D. x .083 for chrome-moly tubing). Aluminum and/or other = soft metals are not allowed. Roll bar connections must be properly welded. Roll = bars within the driver’s reach must be padded with an accepted material as determined by an official. Fire retardant material is highly recommended. Installation and workmanship must be acceptable to officials. Must be frame-mounted in at least 6 places. Must consist of a configuration of front and rear hoops connected by tubing on the sides or side hoops. With helmet = on and driver securely strapped into the racing seat, top of driver’s he= ad must not protrude above the roll cage. Must have a protective screen or bar= s in front window opening, in front of driver’s face. Protection of driver’s feet utilizing a bar across the back of the engine with vert= ical bars and rub rails or similar protection is mandatory. Brace bars forward of roll cage may not be higher than the stock hood height x .083 for hood heig= ht. A minimum of 3 driver side door bars must be parallel to ground and located perpendicular to the driver so as to provide maximum protection for the dri= ver, but without causing undue difficulty in getting in or out of the racecar. S= ide bars must be welded to the front and the rear of the roll cage members. Door bars with a thickness of less than .090 should have 4 bars at least 1 ½” in diameter at a minimum of .083 thickness and be gusseted = in place. The door bars must have 6 vertical studs per side of 1 3/4/” x .083 minimum seamless round tubing equally spaced.

FRAME: Factory prod= uction complete full 1960 or newer parallel American passenger car frames only. Fr= ames may be cut in rear only at a point not further than 36” from center of rear end housing. May only be altered for the installation of springs and shocks. All components must be made of steel and be properly welded. Must be full and complete on both sides, may not be widened or narrowed and must be able to support roll cage on both sides. Minimum height from ground is 4”. Exception: Front cross member may be notched for radiator clearan= ce only. No Jeep, Bronco or similar four-wheel drive frames allowed. No sports= car frames allowed. No front-wheel-drives allowed. Rear of frame may be altered= to accept leaf or coil springs. No hydraulic, ratchet or electric weight jacks anywhere on the racecar. Aluminum jacks bolts are not allowed. Minimum wheelbase must be 108” on both sides (no tolerance). Tubular front cl= ips are not allowed. Maximum overall width of car (at front or rear) shall not exceed 78” from outside of tread to outside of tread (no tolerance).<= o:p>

BUMPERS: Both front= and rear bumpers must be used, and must not have any sharp edges. Any inappropr= iate bumper will be disallowed by an official. Front bumper should be mounted fr= om frame-end to frame-end with the bottom loop parallel to ground. Bumpers mus= t be made of a minimum of 1 ¼” tubing and must be able to support t= he racecar if lifted by a tow vehicle. Rear bumpers may be constructed of tubi= ng of flat stock, and must protect the fuel cell. Center of bumpers (both front and rear) must be at least 16” from the ground and no more than 20= 221; from ground. Rear bumpers may be no more than 2” wider than the body = on each side and may not be open-ended (must wrap around and be connected to s= ide rail bars). Any utilizing bumper as weight must have bumper painted white a= nd have number painted on bumper. Must use ½” bolts to secure bum= per.

SUSPENSION: Must re= main stock-type for the type of frame being used. Steel aftermarket parts may be used as stock components as long as they mount in the stock location and are the same size as the O.E.M. parts. No aluminum or titanium components allow= ed. Magnet must stick to all components. Steel tube-type upper A-frames allowed= and can be moved. Aluminum cross shafts and wedge tubes are permitted. Stock passenger car spindles only – no fabricated spindles. Bottom A-frames cannot be altered, lightened or moved. Front sway bars may be used. Front s= way bars must be made of steel and may be attached to the bottom A-frame using = steel heim joints. Sway bars must be solid full-length O.E.M. Rear pan hard bars = may be used. Rear pan hard bars must be made of steel and may be attached by us= ing a minimum ¾” I.D. steel heim joint. Steel coil-over eliminator= s or brackets are permitted.

REAR END: Any steel approved OEM passenger car or truck rear end (housing and carrier) allowed. Safety hubs (floater) allowed. All components must be steel, except lowering blocks, axle cap and drive flange. Inspection hole required in housing. Full steel spool, steel mini spool or welded rear ends only. Steel axles only. No cambered rear ends. Quick Change rear ends OK. One piece drive flange only.= No torque dividing differentials. No scalloped ring gears. No traction devices allowed (includes Gold Track, True Track or similar type components).<= /o:p>

SHOCKS/SPRINGS: On = shock per wheel only. Air shocks are not allowed. All coil springs must be at lea= st 4 ½” outside diameter. Steel springs only. No torsion bars allow= ed in rear. Canister shocks are not allowed.

COCKPIT: Loose obje= cts and/or weights are not allowed. Air bags are not allowed. Rear view mirrors= are not allowed. Floor and firewall must be complete in the driver’s compartment. No interior sheet metal can be higher than or enclose a standa= rd window opening. Sheet metal in the driver’s compartment must be horizontal from the top of the drive shaft tunnel to the right side door ba= rs or angle from the top of the drive shaft tunnel upwards to the top of the r= ight side door bars. Driver must be able to exit the racecar from both sides. Any driver caught with a double firewall in cockpit is subject to deeper inspection. Factory-manufactured racing seats are mandatory, and must be acceptable to officials. Homemade aluminum, plastic or fiberglass seats are= not allowed. Must be properly installed and seat back cannot be moved back furt= her than rear edge of quarter post. High-back aluminum seats only.

ENGINE: Must be abl= e to be used in conventional passenger car without alteration. Motor mounts may = not be removed or altered. Castings and fittings may not be changed. Machine wo= rk on outside of engine, or on front or rear of camshaft, is not allowed. No t= otal dry sump systems allowed. Wet system must be operative. Cooling system may = be modified. Radiators and oil coolers must not protrude above interior. Any American make may be used. Rear of engine (bell housing flange) must be mou= nted at least 72” forward from the center line of the rear axle – no tolerance. Offset must be within 2” of centerline of front cross memb= er. Must be a minimum of 11” from ground to front center of crankshaft. S= teel blocks only, no aluminum or titanium. Overflow tubes must be directed toward the ground and inside the frame rails. Radiator must be mounted in front of engine. Wiring elements must be accessible for technical inspection. Any racecar advancing spots and missing will be subject to disqualification. Tr= i-Y headers are allowed. Exhaust system and/or mufflers must be mounted in such= a way as to direct spent gases away from the cockpit and away from areas of possible fuel spillage. One (1) two-barrel, one (1) four-barrel or one (1) Predator carburetor properly installed will be permitted. Must be naturally aspirated. No fuel injection.

TRANSMISSION: O.E.M. three-, four- or five-speed and automatic production types allowed. In and = out boxes are not allowed. Bert, Brinn & Falcon transmissions are allowed. = With motor running and racecar in stationary position, driver must be able to en= gage racecar in gear and move forward, then backward, at time of inspection. Clu= tch must be inside of bell housing for O.E.M. production-types. One forward gear and one reverse gear must be in working order, plus a neutral position, and must be able to be shifted by driver. Clutch-type transmissions must be equ= ipped with explosion-proof steel bell housing. Aluminum must be SFI-approved (GM = is not SFI approved). Automatic,= Bert, Brinn or Falcon transmissions must have guard 270 degrees around flex plate= or flywheel, and must be constructed of at least ¼” steel. Altern= atively, automatic transmissions may utilize an SFI approved aftermarket guard. All racecars must have the capability of starting without being pushed or pulle= d.

DRIVESHAFT: A loop = is required and must be constructed of at least ¼” x 2” sol= id steel. Loop must be mounted no more than 6” from the front of the dri= ve shaft tube. Alternatively, 2 loops of ¼” x 1” solid steel fastened to cross member are allowed. Shaft must be painted white and made = of steel.

BRAKING SYSTEM: Mus= t be operating on all four wheels and must lock up all four wheels during inspection. Must have caliper and rotor on all four wheels. Vented rotors a= re required on front wheels. Electronic brake actuators are not allowed. Calip= ers may not be lightened and must be O.E.M. Steel or aluminum single piston O.E= .M. type calipers are allowed. Rotors must be steel and may not be lightened or= drilled. Rotors may be re-drilled for different bolt patterns or larger studs. Front-to-rear or left-to-right (but not both) brake bias is allowed. Brake = shut-offs are not allowed. Brake lines must be visible.

WHEELS/TIRES: Wheel= s must be 15” in diameter and 8” in width. Stickers are not required. = Must be reinforced steel only. A steel or aluminum bead lock may be used on the right side wheels only, and may be mounted on the outside of the wheel so l= ong as it does not add over ¾” to the overall width of the wheel. Homemade mud caps are not allowed. Wheels covers are allowed on right side wheels only. Wide five wheel adaptors are not allowed. Steel or aluminum sp= acer between hub and wheel is allowed, but overall width of racecar cannot exceed 78”. Aluminum or steel lug nuts are allowed.

IGNITION: magnetos = or crank-triggered ignitions are not allowed. No more than one coil may be use= d. Kill switch required within easy reach of the driver. The switch must be clearly marked OFF and ON. Master shut off is recommended for all cars, this will be mandatory for 2011. Digital tachometers are permitted. At the discretion of officials, MSD boxes may be confiscated. All wiring must be accessible for inspection. Any driver caught with extra wiring may be suspe= nded and/or disqualified. One (1) 12 volt battery only and must be securely moun= ted.

FUEL: Fuel cell mus= t be commercially manufactured and must be mounted utilizing at least 2 steel straps. Straps must be 2” wide at all measuring points. Must be enclo= sed in a steel container and must be protected in rear of axle by roll cage tub= ing mounted securely. Fuel must be automotive gasoline or alcohol. No additives= of any kind. May not be blended with ethers or other oxygenated, and may not be blended with aniline or its derivatives, nitro compounds or other nitro containing compounds. Electric fuel pumps are not allowed.

WEIGHT/SAFETY: All = cars shall weigh 2,350 lbs. after race with driver. If running aluminum heads, 50 lbs. must be added in front of mid-plate. Weight ballast may not be mounted= in cockpit, or outside of body or hood area. Must be securely mounted, painted white and clearly marked with the car number. Must be attached with at least two ½” bolts. May no be attached to rear bumper. It is recomme= nded that each racecar have built-in fire extinguishing system, but cannot be of= the dry powder type (must be Halon 1211 or equivalent). All drivers are require= d to have standard fire extinguisher within their reach, even when a built-in sy= stem is being used. Drivers should have in their pit area as part of their equipment, at all times, a fully charged dry chemical, Halon (or its equivalent) fire extinguisher. 10 or 13 pound fire extinguishers are highly recommended. Driver must wear helmet, full fire suit and five-point harness whenever the racecar is on the racetrack. This includes hot laps and races. Helmets are mandatory and must be an approved Snell SA2000 or newer rating.= Fire-resistant safety neck braces or head and neck restraint system is required. Complete = one- or two-piece fire suit of flame retardant nature (multi-layer recommended) = must be worn by all drivers at all times when the racecar is on the racetrack. F= ire-resistant gloves are mandatory. Fire-resistant shoes are highly recommended. Five-poi= nt safety belts are required. Factory-type shoulder belts or straps are not allowed. Metal to metal buckles are required on shoulder and seat belts. Shoulder harness must be mounted securely to roll cage. It is recommended t= hat seat belts and shoulder harnesses not be older than 2 years old. Where the = belt passes through the seat edges, it must have a grommet installed, be rolled and/or padded to prevent cutting of the belt. Full-size window net mounted = in the left side driver’s window opening is required. Window net mounts = must be welded to the roll cage. All bars around the driver must have approved r= oll bar padding.