Outlaw Fuel Altered and Coupe is a class proposed for the 2014 Fuel and Gas Series. It is based on Nostalgia Funny Car with body rules that allow funny cars and fuel altereds.
Outlaw Fuel Altered and Coupe
OFA or OFC preceded by number
Class is for nitro burning front engine altereds (fuel altereds) and coupes (funny cars) with 1979 and older body styles. 125 inch maximum wheelbase.
Each car is allowed one oil down at each race. After that oil down nullifies run. Break rule is in effect.
Requirements and Specifications
Any internal combustion ,reciprocating piston, OEM type engine permitted. 500 cubic inch maximum. Minimum weight is 2200 lbs. (with driver after run). Maximum bore center spacing is 4.90 inches.
Engine must be equipped with a SFI Spec 7.1 lower engine ballistic/restraint device. In addition, an engine oil retention pan is mandatory. Pan must extend from framerail to framerail and from rear motorplate to minimum of 1 inch forward of lower pulley front face. 4 inch high sides, 2 inch high front and rear, 0.040 minimum material.
Exhaust must be directed away from driver and body. Double pipe exhaust headers mandatory on cars with enclosed engines. Double tube must extend to start of bend at bottom of body or until pipe exits body.
Nitromethane and Methanol only. 70 percent nitromethane required. Fuel lube allowed.
Single fuel pump mandatory. Fuel pump restricted to a total fuel delivery of 21.0 gpm at 4,000 rpm pump speed measured through a 0.300 orifice. Pump must be driven at ½ crankshaft speed.
Fuel shutoff must be operable from the driver’s seat.
No pressurized fuel tanks. Fuel tanks must be mounted above the lower framerail. Fuel tank and fuel lines must be within the confines of the frame and be protected from coming in contact with the track surface. Fuel tank must have a positive locking screw on cap. Fuel lines must be isolated from driver’s compartment. Fuel gauge lines in the driver’s compartment must be steel braided with steel fittings.
Roots type supercharger: Supercharger restraint system meeting SFI Spec 14.3 mandatory. Aluminum studs required. Manifold burst panel meeting SFI Spec 23.1 mandatory. Supercharger belt guard mandatory. Fuel and oil lines must be shielded wherever they pass the supercharger drive belt.
Centrifugal and Screw superchargers will be allowed on an experimental basis as approved. May require use of boost limiting pop off valve. Must be approved at prior event with testing runs and data. Proper restraint system will be required.
Throttle control must be manually operated by driver’s foot. Electronics, pneumatics, hydraulics or any other device may in no way affect throttle operation. Throttle must incorporate a positive action return system.
Valve covers must use all attachment bolts.
VENT TUBE BREATHERS
Vent tubes must be double clamped at each connection. Minimum vent tube diameter is 1.25”. Minimum catch can capacity is 4 gallons. Catch can must have adequate internal baffling to prevent oil from being deposited on racing surface. Each car is allowed one oil down at each race without penalty. Subsequent violations result in nullification of run.
CLUTCH, FLYWHEEL, FLYWHEEL SHIELD
Flywheel and clutch meeting SFI Spec 1.3 or 1.4 and flywheel shield meeting SFI Spec 6.2 is required. Clutch management system is prohibited. Release of clutch must be the result of a manual operation by the driver’s foot.
Driveline must be covered in 0.0625 steel or 0.125 aluminum 360 degree full cover. Couplers mandatory. Rear cover must surround coupler. Front cover must surround driveshaft from back of transmission to the end of the splicer sleeve in the area of the driver’s legs.
Aftermarket full floating assembly is mandatory.
Reverse is mandatory. Any number of forward gears allowed.
A one piece ballistic shield covering all units and meeting SFI Spec 4.1 is mandatory.
BRAKES AND SUSPENSION
Dual piston hydraulic rear wheel brakes minimum. Four-wheel hydraulic brakes required on cars that exceed 225 MPH. Application and release of brakes must be a function of the driver; electronics, pneumatics, or any other device may in no way affect or assist brake operation. Hand brake handle must be located inside body and driver compartment. Steel brake lines mandatory. All flexible connection lines must be steel braided with fire covering.
Conventional rod ends must be minimum of 3/8 shank and fastener and must be installed with suitable washers to prevent bearing pullout. Removable steering wheel, if used, must meet SFI Spec 42.1.
Ballast must be secured with minimum of two 3/8 inch Grade 8 fasteners per 50 pounds.
Minimum of 3 inches from front of car to 12 inches behind front wheels. 2 inches for remainder of car, except oil pan and headers.
Dual parachutes mandatory. Chutes must be sized for 250 mph use. Each chute must have its own mounting point with sleeved ½ inch bolts in double shear, Grade 8 with locknuts or welded nuts. Fire resistant protective covers must be on all parachute packs and unpacked shroud lines.
Chassis must have manufacturer’s name, serial number, and date of manufacture. Chassis must meet SFI Spec 10.1E, 10.5, or 10.2 (6.0 and slower). Plating of chassis prohibited, painting permitted. Roll cage padding meeting SFI Spec 45.1 mandatory where driver’s helmet may come in contact with roll cage. Side head supports required that meet SFI Spec 45.1.
Rigid rear suspension mandatory. Front suspension optional.
Maximum : 125 inches on long side. Maximum wheelbase variation from left to right is 2 inches.
TIRES AND WHEELS
Race only spec tires are mandatory on front and rear axle.
Rear wheels must be either beadlock design or use of a liner mandatory on non beadlock wheels.
All sheet metal within the driver’s compartment must be steel or aluminum. Magnesium prohibited.
Minimum one layer, flame retardant material mandatory as seat upholstery.
Rear wing cannot extend more than 50 inches behind rear axle centerline. Side mounted canard type units permitted. Front wing cannot extend past maximum overhang of 40 inches.
Body limited to 1979 and older body styles. Bodies must resemble the original mass produced make and model. Opening for blower hat must have a minimum of 2.5 inches of clearance for throttle linkage. Side windows prohibited except vent windows allowed that extend less than 2 inches behind where A pillar meets roof. Bodies with enclosed engines (coupes) are required to have a hood burst panel measuring a minimum of 288 square inches. Burst panel must be secured with plastic screws and two 1/8 inch stainless cables. Front overhang limited to 40 inches measured from forward most spindle.
Driver compartment, frame structure, roll bars, and body should be designed to prevent driver’s body or limbs from contacting track surface.
Bodies with enclosed roofs must have a working escape hatch installed in top of body to permit easy driver exit. Minimum size is 18 by 17 inches. Roof hatch must be permanently attached and hinged at front. Must have release mechanism that is operable from both inside and outside of car.
FIREWALL AND FLOORS
Must be constructed of 0.032 aluminum or 0.024 steel. Firewall, floor, and sheet metal in conjunction with body must completely seal driver from engine compartment. Magnesium prohibited.
Must be constructed of 0.250 inch aluminum or steel.
Limited to single magneto or distributor with one coil. One spark plug per cylinder. Ignition shutoff required within reach of driver.
Allowed but only for the purposes of gathering data.
FIRE EXTINGUISHER SYSTEM
Fire extinguisher system meeting SFI Spec 17.1 mandatory. Minimum 20 lb. system.
JACKS AND JACK STANDS
DRIVER RESTRAINT SYSTEM
Minimum 6 point 3 inch driver restraint system meeting SFI Spec 16.1 mandatory. All belts and mounting points must be covered with fire resistant covering.
Full face helmet meeting Snell 2000, 2005 or 2010 with face shield mandatory.
HEAD AND NECK RESTRAINT
Head and Neck restraint device meeting SFI Spec 38.1 mandatory.
Driver’s suit meeting SFI Spec 3.2A/20, gloves 3.2A/20, boots 3.2A/20, and head sock 3.3 mandatory.