3.4 SUSPENSION, GENERAL
SUSPENSION, GENERAL: This eliminator is designed for “Back-halftype” chassis, with stock front clips, stock front frame rails, and stock type front suspension. Complete stock front frame rails from the firewall forward must be retained. Front frame horns may be modified for fitting of removable front end.
FRONT WHEEL DRIVE CONVERSIONS PERMITTED IN THIS ELIMINATOR.
3.4 SUSPENSION, FRONT
FRONT SUSPENSION:
3.4A) K-MEMBERS: Aftermarket K-Members permitted. K-member may be modified in oil pan area to allow oil pan enlargement or removal.
3.4B) STRUT TOWER/UPPER SHOCK MOUNTING POINTS: Factory OEM strut tower required. For 1978 & earlier model years, OEM strut tower/shock tower may only be removed in lieu of installing/using commercially available suspension kit (i.e., Heidt, Fatman, etc). Other sections of front suspension rules must be adhered to. Modifying of strut or shock towers allowed for header and engine clearance only. Must retain at least 50% of the original tower.Top plate may not be modified except mounting holes may be moved.
3.4C) CONTROL ARMS: OEM or tubular stock type control arms permitted in stock location.
3.4D) SHOCKS/STRUTS: Aftermarket struts and shocks permitted in stock location.
3.4E) SPRINGS: Aftermarket springs permitted.
3.4F) COIL OVERS: Coil over shocks and struts permitted.
3.4G) CAMBER/CASTOR PLATES: Bolt on type camber plates permitted.
3.4H) SPINDLES: Accepted, bolt-on, commercially available aftermarket spindles permitted.
3.4 SUSPENSION, REAR
SUSPENSION, REAR:
3.4) STOCK-TYPE, 4-LINK, AND LADDER BAR REAR SUSPENSION permitted. Panhard bars, track locators, sway bars, and torque arms are accepted. Any rear shocks are permitted.
3.6 WHEELIE BARS
WHEELIE BARS: All wheelie bars must have a non-metallic wheel. Wheels must turn freely at starting line. Wheel preload is prohibited. Using the wheelie bar as a “fifth wheel” sensing device is prohibited. Hydraulic, pneumatic, electronic, etc. or any other adjustment or movement during run is prohibited.
4:FRAME
4.4 FRAME
FRAME: Stock, unaltered frame rails required in front subframe. Rear subframe may be moved in or “C’d” for tire clearance and suspension components.
4.5 GROUND CLEARANCE
GROUND CLEARANCE: Minimum 3 inches from front of vehicle to front axle; 2 inches for remainder of vehicle, except oil pan and exhaust headers.
4.12 WHEELBASE
WHEELBASE: Entries must retain stock wheelbase + or - 1 inches of stock. Maximum variation from left to right and front to back of 1 inch.
5: TIRES & WHEELS
5.1 TIRES
TIRES–FRONT: Front tires must have a minimum tread width of 4.5 inches.
TIRES–REAR: Street type or racing slicks required.Vehicle must be equipped with approved tires. Acceptable sizes include those stamped 31x10.5W, 33x10.5W,29x10.5,or smaller.Maximum measured tread width at all times is 11.6 inches, and measured circumference is 105.0 inches. Tire width will be measured by a “go-no go” gauge after conclusion of run at scale area. Tire tread may not extend outside fenders.Tire shaving is prohibited.
5.2 WHEELS
WHEELS: Spindle-mount front wheels permitted.
6: INTERIOR
6.1 INTERIOR
INTERIOR, GENERAL: Must maintain stock appearance; including factory OEM-look dashboard. Master cylinder may be relocated to accommodate brake pedals & linkage.
6.4 CARPET
CARPET: Floor and tunnel where visible must be upholstered, carpeted, painted or anodized.
6.5 SEATS
SEATS: Single driver seat must be in stock location and the centerline of the driver’s shoulder must not sit behind the plane of the door jam.
6.6 DOOR PANELS
DOOR PANELS: Stock OEM or replacement door panels required.
6.7 STEERING COLUMN
STEERING COLUMN: Aftermarket steering column permitted. Removable steering wheel permitted.
6.8 GAUGES
GAUGES:Aftermarket gauges may be installed in factory or OEM style dash.
6.9 PEDALS/PEDAL LOCATION
PEDALS/PEDAL LOCATION: Aftermarket pedals and linkage are permitted, but must remain in stock location in foot well.
7: BODY
BODY: Vehicle must retain original appearances and profiles for year and make of body. Only 1950 & newerAmerican production vehicles permitted. Factory quarter panels, factory pillar posts, door jambs, and roof required. Lightweight body panels restricted to: front end/fenders, doors, hood/scoop, bumpers, and trunk-lid/hatch/deck-lid. Doors must be OEM appearing, have a functional door latch, and must function in OEM-style. Fiberglass fenders must be bolt-on replacements and have OEM appearance and function. Carbon Fiber is an acceptable lightweight substitute for Fiberglass. One-piece front ends (fenders and front valance/bumper) are permitted, but must retain OEM appearance. Factory grill and hood must be separate from the front end. Driver and passenger doors must be functional and operable from inside and outside of vehicle. Front fender opening dimensions must be OEM stock. Hood and/or trunk lid must be hinged or lift off. Hood, doors, and trunk lid must be attached separately and must be operable.
7.1 ADVERTISING
GRAPHICS: Graphics (for advertising or creative purposes) permitted on entire body, including doors, hood, rear quarter panels, front fenders, spoiler, etc.
CONTINGENCY DECALS: In order to be eligible for NMCA official contingency program, all contingency decals are required to appear rear of door jam (B-post) on the rear quarter windows, rear window, or body in a clear and organized fashion. Contingency decals may not be overlapped or modified. Other decals and sponsorship (non contingency) may appear on bodywork, front end, and on windows.
NMCA REQUIRED DECALS: The following decals are required for competition in NMCA events.
NMCA WINDSHIELD DECAL – must be installed on top of windshield. This NMCA decal must be the only decal on top of windshield. Other vehicle sponsor decals may be placed at base of windshield.
NMCA 2007 DRAG RACING SERIES “SIDE” DECALS – must be installed on each side of vehicle on quarter windows.
CLASS SPONSOR DECAL – class sponsor decal must be installed on base of windshield on the passenger side.
PERMANENT NUMBERS – permanent numbers are required for competition in this class.
7.2 SPOILERS
REAR SPOILER: Rear spoilers permitted. Rear spoiler may not be molded into body (Pro Mod Style). Spoilers must be stationary during entire run.
7.5 FIREWALLS
FIREWALL: Stock firewall required. Firewall may be notched for clearance for bell-housing, distributor, blower, or intercooler. For Chevrolet Corvette, only if OEM equipped with stock fiberglass firewall; firewall may be replaced with a flat steel firewall, no thinner than .024, located in the OEM stock location. Replacement steel firewall must be one piece, fully attached along perimeter, and permanent in nature.
7.6 FLOOR/TRUNK PAN
FLOOR: Floor/ trunk pan/transmission tunnel modifications are permitted.
7.7 HOOD/SCOOP
HOOD/SCOOP: OEM, fiberglass or carbon fiber hood and/or scoop permitted. Forward-opening or rear-opening scoops permitted. Scoop need not be part of the vehicle hood. Hood must be separate from the front end and be removable.
7.9 WINDSHIELDS/WINDOWS
WINDOWS: O.E.M. safety glass or Lexan permitted.
7.10 BUMPERS
BUMPERS: Front and rear bumpers must be duplicates of originals and may be made of any light weight materials. License plate frame holders are not permitted to extend beyond flat surface of front bumper. No body components, bumper add-ons, or body kits are permitted to be added to the vehicle with the intent of increasing the frontal distance of the bumper for the purposes of breaking the infrared beams.
7.11 FENDER SPLASH PANS
FENDER SPLASH PANS: Full, factory OEM or aftermarket inner fenders required. May be trimmed for header clearance.
7.15 DOORS
DOORS: Driver and passenger doors must be functional and operable from inside and outside of vehicle.
7.16 AERODYNAMICS
AERODYNAMICS: Taping of any body parts, seams, or front end prohibited.
7.17 BODY KITS
BODY KITS: Accepted, commercially available body kits permitted.
7.18 COWL AREA
COWL AREA: Cowl area of vehicle must be unaltered except for modifications necessary to install aftercooler/intercooler equipment.
7.19 FRONT FENDERS/FRONT FASCIA
FRONT FENDERS/FRONT FASCIA: Stock appearing front fenders and stock appearing front fascia required.
8: ELECTRICAL
IGNITION: Any battery operated ignition permitted. Any distributor drive system permitted.
8.5 STARTER
STARTER: All entries must be self-starting with on-board starter.
9: SUPPORT GROUPS
Bracket racing aids such as optical sensors, delay boxes, stutter boxes, etc. prohibited. Throttle stops prohibited. The application or use of any device, mechanical or electronic, that permits the driver to ascertain the position of their vehicle in relation to the starting line is prohibited.
9.8 TOW VEHICLES
TOW VEHICLES: Vehicles may be towed in or to staging lanes and the return road.
10: DRIVER
10.4 CREDENTIALS
CREDENTIALS: See general regulations.
11: CLASS & SAFETY REQUIREMENTS
It is the participant’s responsibility to familiarize oneself with the class requirements as found in the 2007 NMCA rulebook and the safety requirements as found in the 2007 NHRA rulebook. The participant agrees that the participant bears the ultimate responsibility at all times to ensure the safety of participant’s vehicle and to ensure that participant complies with all applicable NHRA & NMCA rules. The participant agrees that participant is in the best position to know about the construction and operation of participant’s vehicle, equipment, and clothing, and whether there has been compliance with all applicable NHRA & NMCA rules.