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A/G ELIMINATOR IN ADDITION TO GENERAL RULES A/G will be run on a 7.60 index. It is structured after AA/Gas, but only the body rules apply. VRA body tag required. Requires minimum SFI Spec chassis requirements of 25.4 or 25.5, depending on the type of construction. Lower engine containment blanket meeting SFI Spec 7.1, date stamped within the last 36 months, mandatory on all supercharged cars.
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NOSTALGIA ELIMINATOR IN ADDITION TO GENERAL RULES N/E will be run on a 7.60 index. Nostalgia Eliminator will be limited to front-engine center-steered cars only (dragsters, altereds, and pre-’73 funny cars). Lower engine containment blanket meeting SFI Spec 7.1, date stamped within the last 36 months, mandatory on all supercharged cars.
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JUNIOR FUEL ELIMINATOR IN ADDITION TO GENERAL RULES NOTE: Junior Fuel Eliminator will be re-evaluated mid-season. Depending on parts availability and car count, the class may be restructured for 2007. 1. Class Designations – A/JF – reserved for 14º & 18º Chevy cylinder head. Injector diameter limited to 3.150”. B/JF – reserved for OEM cast iron Hemi, 23º Chevy or OEM Ford cylinder head. Injector diameter limited to 2.875”. B/JF may run with A/JF in competition.
2. Weight – 3.50 lbs. per CID both classifications. Minimum weight 1300 lbs. All weights will be with driver.
3. Engines – cast iron block. Alloy heads prohibited. Cylinder heads limited to current technology. Any new cylinder head design must be submitted to VRA Tech Department for approval. Additionally, the Chevy “Pro Stock Truck” cylinder head cannot be used in any form. Maximum 410 CID for all types of engines. No collector style headers allowed. Dry sumps and evacuation system permitted.
4. Fuel System – Injectors will be individual stack, no scoops allowed, cast manifold only. Injector diameter limited to 3.150” for A/JF and 2.875” for B/JF. The Rotary fuel injector of Hilborn for A/JF. Only.No superchargers allowed. Fuel lines not permitted in driver’s compartment. Fuel shut-off operable from the driver’s seat required. Fuel tanks must be mounted above the lower frame rail and must be equipped with a positive locking screw-on cap. Maximum of one fuel pump allowed. Down nozzles prohibited. Electric/electronic control of fuel system prohibited. Pneumatic allowed, but must be controlled by driver. VRA reserves the to amend the rules at any time. Or permit the use of specific types of equipment or practices.
5. Transmissions – OEM torque converter style, two-speed only. Electric/electronic control of the shift prohibited. Pneumatic allowed, but must be controlled by driver.
6. Driveline – A full cover must enclose the driveline if universal joints are used. Cover material shall be minimum .063” steel or .125” aluminum.
7. Rear End – Rear ends must be secured with pinion support.
8. Brakes/Parachutes – All cars must be equipped with two rear-wheel disc brakes and a mounted functional parachute.
9. Tires and Wheels – Maximum tire size 12” as measured across tread surface or indicated by manufacturer on the sidewall. Wheel width 12” maximum.
10. Helmet and Protective Clothing – Minimum Snell SA95 helmet required. SFI Spec 3.2A/15 full suit required. All suits include neck collar, boots, gloves, and adequate face protection.
11. Driver restraint – All cars must have a 5-point, 3-inch wide harness system meeting SFI Spec 16.1. Arm restraints are required.
12. Fire Control – All cars require a 5 lb. minimum onboard fire system mounted per manufacturer’s instruction. Minimum of one nozzle aimed at the driver and one at the front of the engine. On board fire extinguishing systems meeting SFI Spec 17.1 required.
13. Ignition – Limited to single mag or single coil ignition only. Mag advance or retard must be a function of the driver. See the Official VRA Ignition System list for allowable systems. No rpm chip boxes allowed.
14. Chassis – Wheelbase is limited to 225”. NHRA Pro tag meeting SFI Spec 2.4B required. Maximum overhang limited to 30”. Maximum canard wing 400 sq. in. per side. Canards may not extend more than 1" outside rear tire. Front wing must be below the top of the front tire and may not extend outside of front tires. In addition, total front wing surface must not exceed 400 sq. in. Maximum wicker on canards and wings .5”. Canards and front wings are the only aero surfaces allowed, any attempt at disguised surfaces will not be allowed.
15. Fuel – Alcohol only.
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AA/GAS ELIMINATOR IN ADDITION TO GENERAL RULES 1. Weight – 5.5 lbs. per CID blown alcohol. Minimum weight 2200 lbs. Weight break 100lbs. to torque converter cars. All weights will be with driver.
2. Body – Body must be pre-’73 coupe or sedan. Customizing is allowed and bodies may be fiberglass, aluminum, or steel. Cars must readily resemble their intended body style. Full trunk line must exist above the rear fenders. Excessive body modifications prohibited. Windshield angle must appear stock. Grills, headlights, and taillights may be painted on. Grill must be a replica of stock. Headlight buckets are required. Grill surface and hood droop should resemble stock dimensions. ALL AA/G MUST HAVE A VRA BODY STICKER.
3. Engine – Aluminum blocks and heads are allowed, single mag or single coil ignition, single fuel pump only. Down nozzles prohibited. Cubic inch displacement limited to 500 cu. in.
4. Windows – Windshield, back, and side windows may be glass or lexan. Door windows must close.
5. Fenders – Required. No radical modifications for aerodynamic purposes.
6. Interior – Nomex upholstery required. Driver must be on left side of car.
7. Fuel System – Fuel lines are not permitted in the driver’s compartment. Must have fuel shut-off operable from the driver’s seat. Fuel tanks must be equipped with a positive locking screw-on cap. Fuel tank vent, maximum 1-inch-diameter run out side of body to vent fuel. To help prevent fire from being drawn into tank through vent. Maximum of one fuel pump, no overdrive. Electric/electronic control of fuel system prohibited. Any system that appears to have control of timing the fuel system must be removed from the car prior to passing technical inspection. No composite materials in injector hat and/or scoop.
Composite materials include, but are not limited to, carbon fiber, Kevlar and weave graphite fiber. Scoops limited to 12.5” above throttle body as measured from centerline of throttle shaft to top of scoop. Air intake limited to 65 sq. in.
8. Supercharger – Single, roots type, no larger than 6-71 in size. Fifteen inch rotor and 18.5” case maximum. . High helix prohibited. Blower overdrive will be limited to 55%. Supercharger belt guard that protects all fuel, oil and water lines required.
9. Transmission – Lenco or other planetary transmissions allowed, five forward speeds maximum. SFI Spec 4.1 blanket required.
10. Frame – Full suspension required on all four wheels. Engine setback limited to 15% of wheelbase. Wheelbase limited to 110" unless otherwise produced. NHRA Pro tag meeting SFI Spec 25.1E required.
11. Wings – 1000 sq. in. max. Maximum height 80” as measured vertically from ground to trailing edge of wing. Maximum 54” behind vehicle as measured from centerline of rear axle to trailing edge of wing.
12. Spoilers – Limited to 2500 sq. in. Maximum side plate height of 5”. Maximum wicker 2.5”. Spoilers must not extend more than 12" behind rearmost body panel and cannot be wider than car body. Skirting the spoiler into the body is prohibited. Adjustment of spoiler during run prohibited.
13. Helmet and Protective Clothing – Minimum Snell SA95 helmet required. SFI Spec 3.2A/20 full suit required. All suits include neck collar, boots, gloves, and adequate face protection. Boots and gloves must be SFI Spec 3.3/5. Effective 01-01-06 all suits must meet NHRA date stamp requirement.
14. Driver restraint – All cars must have a 5-point, 3inch wide harness system meeting SFI Spec 16.1. Fire covers required.
15. Fire control – All cars require a 20 lb. minimum onboard fire system mounted per manufacture’s instructions. Minimum of one nozzle aimed at the driver and one at the front of the engine. Lower engine containment blanket meeting SFI Spec 7.1 mandatory. On board fire extinguishing systems meeting SFI Spec 17.1 required.
16. Ignition – Limited to single mag or single coil ignition only. Mag advance or retard must be a direct function of the driver. See the Official VRA Ignition System list for allowable systems.
17. Brakes/Parachutes – Dual parachutes with fire retardant and 4-wheel brakes mandatory.
18. Fuel – Alcohol only.
19. SAFETY: Lateral head restraint required(SFI 45-1)
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A/FUEL ELIMINATOR IN ADDITION TO GENERAL RULES A/F will be for center steered cars (Dragsters, Altereds.)
1. Weight – Dragster or altered big block injected nitro, 1700 lbs., small block blown alcohol, 1650 lbs., big block blown alcohol, 1800 lbs. minimum. . All weights will be with driver.
2. Engines – Any type of block may be used in cast iron or aluminum. Alloy heads allowed. Maximum cubic inch displacement limited to 500 cu. in. No collector style headers allowed.
3. Fuel System – Fuel lines are not permitted in the driver’s compartment. Fuel shut off operable from the driver’s seat required. Fuel tanks must be mounted above lower frame rail and must be equipped with a positive locking screw-on cap.. Maximum of one fuel pump, no overdrive. Fuel pump for blown alcohol dragster or altered limited to DSR-1, Hilborn PG150-1, Enderle #80-1, or Waterman Sprint. Blown alcohol Funny Car 110 Enderle or Hilborn PG 175-2. Injected nitro dragster fuel pump limited to Enderle 760, or Waterman A/F-Injected. No composite materials in injector hat and/or scoop. Electric/electronic control of fuel system prohibited. Composite materials include, but are not limited to, carbon fiber, Kevlar and weave graphite fiber. Hat/scoop must be nostalgic in appearance, internal modifications allowed. Scoops limited to 12.5” above throttle body as measured from centerline of throttle shaft to top of scoop. Air intake limited to 65 sq. in.
4. Supercharger – Single roots type, no larger than 6-71. Fifteen inch rotor and 17.250” case maximum. ”.High helix prohibited. Blown alcohol must use an SFI Spec 23.1 burst panel. Supercharger belt guard that protects all fuel, oil and water lines required. SFI Spec 14.1 blower restraint mandatory.
5. Clutch – Reversers are required, SFI Spec 4.1 blanket required. Clutch and flywheel must meet SFI Spec 1.4. A current tagged flywheel shield meeting SFI Spec 6.2 mandatory. Maximum 3 disc clutch. All clutch movement must be made manually by the driver. No ratchets allowed. No staged systems allowed.
6. Driveline – A full cover of minimum .063” aluminum must enclose the driveline. Couplers mandatory.
7. Transmission – Limited to 2-speed. OEM powerglide prohibited. Aftermarket glides such as Deadenbear required. Planetary transmission permitted with SFI Spec 4.1 blanket.
8. Rear End – Rear ends must be secured with pinion support. Live axle required. Ratio limited to 4.30 or higher (meaning nothing higher numerically than 4.30).
9. Brakes/Parachutes – All cars must be equipped with two rear wheel disc brakes and fire retardant dual chutes.
10. Tires and Wheels – Dragster maximum tire size 14”,” as measured across the tread surface or indicated by the manufacturer on the sidewall. Wheel width must match tire width. Wheels must be of beadlock design. Liners will be accepted in lieu of beadlock wheel.
11. Helmet and Protective Clothing – Minimum Snell SA95 helmet required. SFI Spec 3.2A/20 full suit required. All suits include neck collar, boots, gloves, and adequate face protection. Effective 01-01-06 all suits must meet NHRA date stamp requirement.
12. Driver restraint – All cars must have a 5-point, 3inch wide harness system meeting SFI Spec 16.1. Fire covers required. Arm restraints required.
13. Fire control – All dragsters and altereds require a 10 lb. minimum onboard fire system mounted per manufacturer’s instructions. Minimum one nozzle aimed at the driver and one at the front of the engine. Lower engine containment blanket meeting SFI Spec 7.1 mandatory. On board fire extinguishing systems meeting SFI Spec 17.1 required.
14. Ignition – Limited to single mag or single coil ignition only. Mag advance or retard must be a direct function of the driver. See the Official VRA Ignition System list for allowable systems.
15. Chassis – Wheelbase limited to 225". NHRA Pro tag meeting SFI Spec 2.4B required. Maximum overhang limited to 40”. Maximum canard wing 400 sq. in. per side. Canards may not extend more than 1" outside rear tire. Front wing must be below front tire and may not extend outside of front tires. In addition, total front wing surface must not exceed 400 sq. in. Maximum wicker on canards and wings .5”. Canards and front wings are the only aero surfaces allowed, any attempt at disguised surfaces will not be allowed.
16. Wing/Spoiler – Altereds allowed 750 sq. in. wing Adjustment of spoiler during run prohibited.
17. SAFETY: Lateral head restraint required(SFI 45-1)
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FUNNY CAR ELIMINATOR IN ADDITION TO GENERAL RULES 1. Weight – Minimum weight with driver is 2250 lbs.
2. Engine – Any internal combustion, American made automotive engine permitted, Maximum cubic inches 500. . Blocks and cylinder heads must retain all physical characteristics of stock production components.
3. Exhaust - Double-pipe insulated exhaust headers mandatory. Double tube must extend to start of bend at bottom of body.
4. Vent Tube Breathers – vent tubes must be double clamped at each connection. Minimum diameter 1.125” for all breather tubes. All quick connections in the system must have a secondary locking system (tape, wire ties, etc not allowed). Catch cans minimum capacity 2 gallons below baffles. Tank must be properly baffled to prevent oil from being deposited on racing surface.
5. Fuel System – Fuel lines are not permitted in the driver’s compartment. Must have fuel shut-off operable from the driver’s seat. Fuel tanks must be equipped with a positive locking screw-on cap. Maximum of one fuel pump, no overdrive, 24 jet max, 8 in the injector hat, 16 in manifold “y” nozzles may be used in lieu of individual nozzles in manifold.down nozzles are prohibited Electric/electronic and pneumatic control of fuel system prohibited. Any system that appears to have the ability to control the timing of the fuel system must be removed from the car prior to passing technical inspection. Fuel pump restricted to a total fuel delivery of less than 20 GPM. No composite materials in injector hat and/or scoop. Composite materials include, but are not limited to, carbon fiber, Kevlar and weave graphite fiber. Hat/scoop must be nostalgic in appearance, internal modifications allowed. Scoops limited to 12.5” above throttle body as measured from centerline of throttle shaft to top of scoop. Air intake limited to 65 sq. in.
6. Supercharger – Single roots type, no larger than 6-71. Fifteen inch rotor and 16.5” case maximum. Rotor cavity limited to a maximum of 5.840”. Blower setback may not allow any portion of blower to extend behind bellhousing mounting surface on cylinder block. High helix prohibited. Blower restraint meeting SFI Spec 14.3 spec mandatory. The manifold must contain an SFI Spec 23.1 burst panel. Blower overdrive limited to 18%. Supercharger belt guard that protects all fuel, oil and water lines required.
7. Clutch – Reversers are required, must use SFI Spec 4.1 blanket with reverser. Clutch and flywheel must meet SFI Spec 1.3 or 1.4. A current tagged flywheel shield meeting SFI Spec 6.2 or 6.3 mandatory. Maximum 3-disc, 6-finger clutch. All clutch movement must be made manually by the driver. No ratchets allowed. No staged systems allowed.
8. Driveline – Couplers mandatory. Each end of driveshaft must have a full 360-degree cover of minimum 1/16-inch steel or 1/8-inch aluminum. Rear cover must surround the coupler. Front cover must surround the driveshaft from the back of the reverser to the end of the splicer sleeve in the area of the driver’s legs. All covers must be securely mounted to frame, suitable crossmember, reverser or third member.
9. Transmission – Limited to 2-speed. Transmission must be planetary type. No OEM style transmissions. SFI Spec 4.1 blanket mandatory. 10. Rear End – Rear ends must be secured with pinion support. Full-floating rear end required. Ratio limited to 3.90 or lower (meaning nothing lower numerically than 3.90).
11. Brakes/Parachutes – All cars must be equipped with dual piston rear wheel disc brakes and fire retardant dual parachutes. Steel brake lines mandatory.
12. Steering - Conventional automotive type Rod ends must be a minimum of 3/8 inch shank diameter and must be installed with washers to prevent bearing pullout. Removable steering wheel, if used, must us SFI Spec 42.1 quick disconnect/release.
13. Tires and Wheels – Rear tires are limited to 34.5 x 17. Rear wheels must be of beadlock design. A tube and liner may be used in lieu of beadlock wheel.
14. Helmet and Protective Clothing – Minimum Snell SA95 full-face helmet required. Approved fresh air system mandatory. All drivers must wear SFI Spec 3.2A/20 suit. All suits include neck collar, boots and gloves. Effective 01-01-06 all suits must meet NHRA date stamp requirement.
15. Seat Belts – All cars must have a 5-point, 3-inch wide harness system meeting SFI Spec 16.1. Fire covers required. Arm restraints required.
16. Fire Control – All cars require a 20 lb. minimum onboard fire system mounted per manufacturer’s instruction. Minimum of one nozzle aimed at the driver and one at the front of the engine. Lower engine containment blanket meeting SFI Spec 7.1 mandatory. On board fire extinguishing system meeting SFI Spec 17.1 required. Activation cables must be protected in bell housing and engine area. Activation cables and distribution tubing must be steel.
17. Ignition – Mag limited to point type only. Electronic mags or mag amp boxes are strictly prohibited. Timing retard must be a function of the driver by mechanical or pneumatic means only. A positive ignition shutoff within the easy reach of the driver is mandatory.
18. Data Recorders – Data recorders are legal but cannot perform any function of the driver or operate any system on the vehicle in any way.
19. Chassis – Wheelbase limited to 118” minimum to 125” maximum. NHRA Pro tag meeting SFI Spec 10.1D required.
20. Suspension – Rigid rear suspension mandatory. Front suspension optional.
21. Body – Limited to 1965 to 1979 American made bodies. Bodies must resemble the original mass produced make and model. Bodies may be made of fiberglass or composite material. Body must lift off as a one-piece unit. Minimum body width is 60”, measured at the centerline of the front and rear axle. Maximum top chop is 2”. Front fender bubbles allowed maximum 2 ½”. The body may be shortened or lengthened a maximum of 15% of original dimensions. Injector box in windshield cannot exceed 1/2 of windshield height. An escape hatch is mandatory per NHRA nitro Funny Car spec. Side windows are prohibited. Hood burst panel required per NHRA nitro Funny Car spec. Fireproof body undercoat required, Manufacturers sticker required on the body.
21/A Body: All bodys must be VRA approved before running in the class.
22. Spoiler – Allowed front and rear. Rear spoiler limited to roof height and body width (positively no modern truck bed type spoilers allowed). Front spoiler limited to overall overhang measurement of 40”. The front and rear spoilers are the only aero devices allowed.
23. Interior – All sheet metal within the driver compartment must be aluminum or steel. Magnesium prohibited. Minimum single layer Nomex upholstery required. All firewall and floors must be constructed of .032 aluminum or .024 steel.
24. General Procedures – Turn around time between rounds will be 90 minutes from the time that the last pair in the session runs.
25 SAFETY: Lateral head restraint required (SFI 45-1)
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TOP FUEL ELIMINATOR IN ADDITION TO GENERAL RULES 1. Weight – 4.60 lbs. per CID. Minimum weight 1600 lbs. All weights will be with driver.
2. Engines: The Chrysler 426 in any form is not legal for this class. Any type of block may be used in cast iron or cast aluminum. Cubic inch displacement limited to 450 cu. in. Billet blocks allowed. Any new block design must be submitted to VRA Tech Department for approval. All new Hemi designs must be replicas of the 392 or Donovan. Additionally, they must use all components currently available for these engines. Alloy and billet heads allowed, VRA SPEC. only. Cylinder heads must be listed on the Official VRA Top Fuel Aluminum Head list. Accepted billet heads and block must remain in as-manufactured form. Machining of billet heads or billet blocks to reduce weight is strictly prohibited.
3. Vent Tube Breathers – vent tubes must be double clamped at each connection. Minimum diameter 1.125” for all breather tubes. All quick connections in the system must have a secondary locking system (tape, wire ties, etc not allowed). Catch cans minimum capacity 2 gallons below baffles. Tank must be properly baffled to prevent oil from being deposited on racing surface.
4. Fuel System – Fuel lines are not permitted in the driver’s compartment. Must have fuel shut-off operable from the driver’s seat. Fuel tanks must be equipped with a positive locking screw-on cap. Maximum of one fuel pump, no overdrive, 16 nozzles max, 8 in the injector hat, 8 in manifold. No down nozzles allowed. Electric/electronic and pneumatic control of fuel system prohibited. Any system that appears to have the ability to control the timing of the fuel system must be removed from the car prior to passing technical inspection. Fuel pump limited to 1.1 inches of vane length Enderle, Hilbom style, Waterman, or Settles nostalgia pump with certification. No composite materials in injector hat and/or scoop. Composite materials include, but are not limited to, carbon fiber, Kevlar and weave graphite fiber. Hat/scoop must be nostalgic in appearance, internal modifications allowed. Scoops limited to 12.5” above throttle body as measured from centerline of throttle shaft to top of scoop. Air intake limited to 65 sq. in.
5. Supercharger – Single roots type, no larger than 6-71. Fifteen inch rotor and 17.125” case maximum. Rotor cavity maximum 5.840”. Blower setback may not allow any portion of blower to extend 3-INCH behind bellhousing mounting surface on cylinder block. High helix prohibited. Manifolds are limited to a maximum manifold height of 8" as measured from valley gasket surface to blower mounting surface. Engines using nitro must have a blower restraint meeting SFI Spec 14.3 spec and the manifold must contain an SFI Spec 23.1 burst panel. Blower overdrive limited to 14%. Supercharger belt guard that protects all fuel, oil and water lines required.
6. Clutch – Reversers are required, must use SFI Spec 4.1 blanket with reverser. Clutch and flywheel must meet SFI Spec 1.4. A current tagged flywheel shield meeting SFI Spec 6.2 mandatory. Maximum 3-disc, 6-finger clutch. All clutch movement must be made manually by the driver. No ratchets allowed. No staged systems allowed.
7. Driveline – A full cover must enclose the driveline. Cover material shall be minimum .063" aluminum. No U-joints. Couplers mandatory.
8. Rear End – Rear ends must be secured with pinion support. Full-floating rear end required. Ratio limited to 3.90 or lower (meaning nothing lower numerically than 3.90).
9. Brakes/Parachutes – All cars must be equipped with two rear wheel disc brakes and fire retardant dual parachutes. Parachute may be pneumatically operated. Airlines may not extend in front of bellhousing area. Mechanical backup required.
10. Tires and Wheels – Wheel width 10” minimum, 12" maximum. M&H Nostalgia SPEC. tires only.
11. Helmet and Protective Clothing – Minimum Snell SA95 helmet required. All drivers must wear SFI Spec 3.2A/20 suit. All suits include neck collar, boots, gloves, and adequate face protection. Effective 01-01-06 all suits must meet NHRA date stamp requirement.
12. Seat Belts – All cars must have a 5-point, 3-inch wide harness system meeting SFI Spec 16.1. Fire covers required. Arm restraints required.
13. Fire Control – All cars require a 10 lb. minimum onboard fire system mounted per manufacturer’s instruction. Minimum of one nozzle aimed at the driver and one at the front of the engine. Lower engine containment blanket meeting SFI Spec 7.1 mandatory. On board fire extinguishing systems meeting SFI Spec 17.1 required.
14. Ignition – Limited to single mag or single coil ignition only. Mag advance or retard must be a function of the driver. Mechanical only, pneumatic and electronic control of ignition system is prohibited. No rpm chip boxes allowed. No mag larger than the MSD 44. No add on systems.
15. Chassis – Wheelbase limited to 225". NHRA Pro tag meeting SFI Spec 2.2B required. Maximum overhang limited to 30". Maximum canard wing 450 sq. in. per side. Canards may not extend more than 2" outside rear tire. Front wing must be below front tire and may not extend outside of front tires. In addition, total front wing surface must not exceed 500 sq. in. Maximum wicker on canards and wings .5” Canards and front wings are the only aero surfaces allowed, any attempt at disguised surfaces will not be allowed.
16. Body – Body and cowl must be metal, fiberglass or carbon fiber. All carbon fiber bodies must be painted.
17. General Procedures – Turn around time between rounds will be 90 minutes from the time that the last pair in the session runs.
18. OIL RETENTION DEVICE: An engine oil-retention pan is mandatory. Minimum material- .50-inch aluminum or .040-inch carbon fiber/Kevlar. Pan may extend rearward of the motor plate to capture oil from rear mail seal. But no more than 3-inches rearward of the motor plate. Pan length from motor plate forward must extend a minimum of 1-inch forward of the front face of the lower pulley. Pan can be no staying within the confines of the bulkheads. wider than outside edge of the bottom frame rails and must extend to the top of the upper frame rails. Pan must be either a one piece design or constructed as to be sealed as a retention device to retain oil. Must have a minimum 4-inch high bulkhead on front and a minimum 2-inch high bulkhead on rear for oil retention during acceleration and deceleration. Bulkheads must be “coved” toward oil pan to assist oil in.
19. SAFETY: Lateral head restraint required (SFI 45-1)
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