Nostalgia Muscle Car is an index-style foot brake only class for the year models, body styles, and engine combinations, which are listed below. Classification will be based on a visual inspection and an e.t. range. All qualifiers in Nostalgia Muscle Car must have a valid elapsed time recorded to be placed into eliminator competition. Nostalgia Muscle Car racing will be conducted at all drag racing events (see race schedule).
Qualifying Information, Ladder Type, & Tree
All Run, NHRA Sportsman Ladder, .500 Full Tree, Handicap Start.
ELIGIBLE YEAR MODELS AND BODY STYLES
The following is a list of cars/engines, which are allowed to compete in the Nostalgia Muscle Car class:
• 64 – 79 AMC Corporation - All Body Styles & Models - All V8
• 60 – 79 Buick Corporation - All Body Styles & Models - All V8
• 55 –79 Chevrolet Corporation - All Body Styles & Models - All V8
• 55 – 79 Chrysler Corporation - All Body Styles & Models - All V8
• 55 – 79 Pontiac Corporation - All Body Styles & Models - All V8
• 55 – 79 Ford Corporation - All Body Styles & Models - All V8
• 60 – 79 Mercury Corporation - All Body Styles & Models - All V8
• 60 – 79 Olds Corporation - All Body Styles & Models - All V8NMC Classes
All NMC class participants must declare & have posted the NMC class of choice prior to the 1st scheduled qualifying run in their respective eliminator or at the time of technical inspection. No change of class is permitted after the first scheduled qualifying round for the respective eliminator.
Class Guidelines NOSTALGIA MUSCLE CAR
1.1 COOLING SYSTEM
RADIATOR: OEM production-style or aftermarket radiator is required and must be mounted in stock location. Stock core support is required.
WATER PUMP: Any aftermarket (belt drive or electric drive) pump permitted.
COOLING FANS: Any permitted.
ENGINE: OEM engine or OEM stock appearing engine must be declared and available for particular year, make, and model. Displacement of engine not a tech item, but the engine must resemble OEM of same engine family. Example: 65 Chevrolet Biscayne w/283 engine may claim a 327 engine and participate because a 283 closely resembles a 327 and mounts with exact same brackets. Engine swapping permitted.
Any internal engine modifications permitted.
EXHAUST: All entries allowed to use tubular headers. Adapter plates permitted to bolt headers to cylinder head. Exhaust must be directed out of car body, away from driver and fuel tank.
1.3a) HEADERS & COLLECTORS: Any headers and/or collectors permitted.
1.3b) EXHAUST TUBING/SIZE: Any tubing size permitted.
1.3c) TAILPIPE & EXHAUST RULES: Not required.
1.3d) MUFFLER REQUIREMENTS: Not required.
1.5 FUEL DELIVERY SYSTEM
DELIVERY SYSTEM: Fuel cells, electric or mechanical fuel pumps, pressure regulators, and any line size permitted. Fuel pump must shut off with a master electrical switch. Stock gas tank (if used) must be retained in factory location. Modified fuel pickups & outlet permitted.
Aftermarket/fabricated fuel tank or cell permitted. Must be located in trunk area. If tank or fuel filler is inside trunk, a bulkhead of minimum .032” aluminum or .024” steel must be used between trunk and driver compartment, and tank must be vented to outside of car. When used, fuel cells must have a metal box protecting the part of the fuel cell that is outside the trunk floor. Non-metallic fuel cells or tanks must be grounded to frame. See NHRA General Regulations Section 1.5.
GASOLINE: Gasoline is the only permitted fuel in NMC classes.
1.9 NITROUS OXIDE
NITROUS OXIDE: Prohibited.
1.10 OIL SYSTEM
OILING SYSTEM: Dry-sumps prohibited. Oil pump must remain in stock location. Oil pan capacity may be increased.
BLOCK: Cast iron or aluminum aftermarket blocks permitted, but must retain original external appearance.
1.16 ENGINE LOCATION/MOUNTS
ENGINE LOCATION/MOUNTS: Engine must be in stock location. Block and/or heads must not touch stock firewall. Firewall must be in stock location. Solid engine mounts permitted.
HEADS: Aftermarket cylinder heads permitted, but must retain original overall appearance for engine declared. Any internal cylinder-head modifications permitted.
VALVETRAIN: Any valvetrain permitted with the following restrictions: exposed aftermarket gear or belt drives prohibited. Any timing device must fit beneath the stock type front timing cover.
CARBURETOR: OEM style two 4 barrel or three 2 barrel carburetors permitted if offered as factory or dealer option in addition to those options listed in “Eligible Year Models and Body Styles”. Carburetors are restricted to the following manufactures: Holley, Edelbrock, Carter, Rochester, Demon and Ford-Autolite-Motorcraft. Choke horn, choke plate, choke shaft, choke linkage, and choke mechanism may be removed. Maximum carburetor size limited to 950 cfm for big block vehicles and 850 cfm for small block vehicles. Internal carburetor modifications permitted.
1.20 FUEL INJECTION
FUEL INJECTION: Vehicle originally equipped with fuel injectors may replace original OEM units with unit of the same manufacture, basic design, performance and appearances the original unit or factory superceded unit.
1.21 INTAKE MANIFOLD
INTAKE MANIFOLD: Manifold restricted to factory cast iron, OEM cast aluminum, or aftermarket cast aluminum units. Any single plane (360 degree) or dual plane (180 degree) unit permitted which does not extend carburetor(s) above plane of hood. OEM style two 4 barrel or three 2 barrel intake manifolds permitted if offered as factory or dealer installed option.
CLUTCH: Clutch operation must be manually applied and disengaged with foot during run, without the assist of electric, hydraulic or pneumatic devices. Multi stage, variable release, or lock up type of any description is prohibited. Throwout bearing must release all fingers or levers simultaneously.
DRIVESHAFT: Any permitted.
REAREND: Any automotive type rearend permitted.
2.12 MANUAL TRANSMISSIONS
MANUAL TRANSMISSIONS: OEM or aftermarket transmissions with a maximum of 4 forward speeds permitted. Clutchless transmissions prohibited. All shifts must be made manually without the aid of electric, hydraulic or pneumatic devices. Starting line rev limiters prohibited. Torque converters not permitted with this type transmission.
2.13 PURPOSE BUILT TRANSMISSIONS
PURPOSE BUILT TRANSMISSIONS: Prohibited.
2.14 AUTOMATIC TRANSMISSIONS
(OEM American transmissions or replicas of OEM American transmissions that use planetary gears)
AUTOMATIC TRANSMISSIONS: Automatic transmissions originally produced by any American automobile manufacturer or replicas of an automatic transmission produced by any American automobile manufacture mandatory. Lock-up transmissions/torque converters prohibited. Transmission-to-engine adapters permitted. All shifts must be made manually without the aid of electric or pneumatic devices.
Transbrake prohibited. In those classes that prohibit trans-brakes the following will be used to enforce the rule. A competitor may elect to leave the trans-brake solenoid installed in the transmission, however any/all physical wiring must be removed to the solenoid while the vehicle is in competition.
Starting line rev limiters prohibited. Clutch not permitted with this type transmission.
3: BRAKES & SUSPENSION
BRAKES: The braking system may be upgraded. All cars must have front and rear hydraulic brakes. Automated brakes or any type of traction control is prohibited. Application and release of brakes must be a function of the driver’s foot. Line loc permitted on front wheels only. Any other electric, pneumatic, or hydraulic device in the system is prohibited.
3.2 SHOCK ABSORBERS
SHOCK ABSORBERS: Each vehicle in competition must be equipped with one operative shock absorber for each sprung wheel. Shock absorbers may be either hydraulic or friction type, securely mounted and in good working order.
STEERING: Manual or power assisted aftermarket steering system in stock location mandatory.
FRONT SUSPENSION: Stock type front suspension required for body used. Travel limiters permitted. Aftermarket springs permitted.
REAR SUSPENSION: Factory spring arrangement must be retained for body used. Leaf springs may be moved inboard for tire clearance. Coil spring vehicles may beef stock control arms or use aftermarket heavy-duty adjustable replacement control arms. Aftermarket springs permitted. Only bolt-on traction devices permitted. Aftermarket weld-on ladder bars, 4-link systems, and coil-over suspensions prohibited.
3.6 WHEELIE BARS
WHELLIE BARS: Prohibited.
FRAME: Stock, unaltered frame rails required in front subframe. Tubular or rectangular crossmembers and/or “X” bracing permitted. Stock rear subframes required. If the stock rear frame is notched, a piece of the outer frame may be removed for tire clearance only. All notched area of frame rail must be re-covered in steel plate. The inner frame section must remain unaltered. Rear frame rail may not be sectioned. Subframes on unibodied cars may be joined under car. Maximum size material to be used; 2x3x1/8 inch rectangular tubing. If connector protrudes through floor, floor must be completely welded to connector.
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.
WHEELBASE: Must retain stock wheelbase with a maximum variation from left to right and front to back of 1 inch.
5: TIRES & WHEELS
TIRES - FRONT: Front tires must have a minimum tread width of 4.5 inches.
TIRES – REAR: Street type or drag slicks required. Maximum actual measured tire size is as follows: Actual measured tread of tire is limited to 11.5 inches. Tire width will be measured after conclusion of run at scale area. Outside of rear tire must be within 3.5” of the inside of the fender at widest point. Tire tread may not extend outside fenders.
WHEELS: Spindle-mount front wheels prohibited.
INTERIOR, GENERAL: Must maintain stock appearance; including factory OEM dashboard, headliner, & steering column cover. Heater/air conditioners may be removed.
CARPET: Floor and tunnel where visible must be upholstered or carpeted. Headliner required.
SEATS: Upholstered OEM or aftermarket seats (2) in stock location are required. Rear seat may be removed when roll bar/roll cage is installed; area must be carpeted or upholstered.
6.6 DOOR PANELS
DOOR PANELS: Door panels must be covered and stock appearing.
6.7 STEERING COLUMN
STEERING COLUMN: Stock O.E.M. or stock type steering column required. Removable steering wheel permitted.
GUAGES: Aftermarket gauges may be installed in factory dash.
6.9 PEDALS/PEDAL LOCATION
PEDALS/PEDAL LOCATION: Stock type pedals, linkage, and location required.
BODY: Body must retain original type headlights, turn signals, and chrome. OEM or OEM reproduction steel quarter panels and deck lid required. Original appearing fiberglass bumpers and hood/scoop permitted. The body must be finished & painted.
GRAPHICS/LETTERING: Graphics/lettering for advertising or creative purposes permitted on entire body.
CONTINGENCY DECALS: In order to be eligible for PRO official contingency program, all contingency decals are required to appear only on the rear quarter windows or rear window 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.
PRO REQUIRED DECALS: The following decals are required for competition in PRO events.
PRO Windshield Decal – must be installed on top of windshield. This PRO decal must be the only decal on top of windshield. Other vehicle sponsor decals may be placed at base of windshield.
PRO 2005 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.
FIREWALLS: Stock firewall in stock location mandatory.
7.6 FLOOR/TRUNK PAN
FLOOR/TRUNK PAN: Complete stock floor in stock location mandatory. Floor/Trunk Pan modifications permitted for clearance purposes of wheel tubs and fuel cell installation.
HOOD/SCOOP: OEM or original appearing fiberglass hood permitted. Hoodscoops limited to OEM equipment or period style. Hood scoop may be no higher than 4 inches from hood surface. The entire induction system must be completely covered by hood or scoop, which must be part of the vehicle hood.
WINDSHIELD/WINDOWS: Must be OEM safety glass. All windows must be operative.
BUMPERS: OEM or OEM reproduction steel or fiberglass bumpers required.
7.11 FENDER SPLASH PANS
FENDER SPLASH PANS: OEM or OEM reproduction full-fender splash pans required. Splash pans may be trimmed to allow clearance for headers.
GRILLE: A full-production grille is required for the body style used. Covering in front of or behind the grille prohibited.
7.13 WHEEL WELLS
INNER WHEELWELLS: Aftermarket wheeltubs permitted. Material used to add to the width of the inner wheelwell may be steel or aluminum.
OUTER FENDERS: Leading and trailing edges of fenders may be trimmed for tire clearance, maximum 2”.
7.14 RAM AIR
RAM AIR: All aftermarket or fabricated ram-air units permitted.
DOORS: Driver and passenger doors must be functional and operable from inside and outside of vehicle.
BATTERY: Battery may be relocated. Charging system optional.
IGNITION: Ignition systems limited to the following: OEM, Holley “HP” Annihilator, MSD 6 & 7 Series, Mallory HyFire 3RL1, Accel Blueprint & 300+, Crane Fireball HI-6, and Pertronix Flame Thrower. No accessories may be added or included to program timing changes except for start-up retard. Any timing changes must be made by mechanically adjusting distributor or factory stock vacuum advance. Crank triggers and magnetos prohibited. Engine rev limiters, top end only, permitted.
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, two-steps, and 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.
9.2 ONBOARD DIAGNOSTICS/DATA RECORDERS
ONBOARD DIAGNOSTICS/DATA RECORDERS: Onboard diagnostics and data recorders used to monitor and record parameters such as a driveshaft speed, acceleration, nitrous timing, chassis strain, suspension travel etc., prohibited. Wide band oxygen sensors permitted. “Playback” tachometers permitted. Laptops prohibited in vehicle.
9.8 TOW VEHICLES
TOW VEHICLES: Vehicles may not be towed in or to staging lanes. Vehicles may not be towed from the return road.
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 2005 PRO rulebook and the safety requirements as found in the 2005 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 & PRO 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 & PRO rules.
12: STREET-LEGAL REQUIREMENTS:
Headlights and tail lights for year & make of body used mandatory. Head lights & tail lights required to be functional.
WEIGHT: Weight is not a tech item however excessive lightening as determined by the tech officials will not be permitted.