Post by Class ruels on Oct 5, 2011 21:41:19 GMT -7
here is a thought on class ruels for stock And super stock Added Sport compact class and Pro stock
Super Stock A (SS/A)
Body: 1955 to 1990 American production model. Coupe, Sedan, Station wagon, Panel Delivery, orpick-up only. No sports cars (2seater) example: Corvette, Viper, Etc. Body must be a model kit,promotional kit, or resin cast body. No body modifications. No material is to be removed from bottomof car. Complete front and rear bumpers. If vehicle came from factory with hood scoop or rear spoiler,it can be used. Body can be modified for wheelie bar clearance only.
Chassis: Unlimited, must conform to body markings. Must have front wheels. No bearings. Front tire:
¾” minimum diameter.
Motor: S16D. Weight: 150 grams.
Super Stock D (SS/D)
Body: 1955 to 1979 American Sedan Hardtop Station wagon, Pickup, or convertibles (convertibles must have tops installed). Production sports car i.e. Corvettes, Thunderbirds are permitted Body must be a model kit, promotional kit, or resin cast body. No modifications permitted to the stock configuration of the body as delivered by the manufacturer. No material can be removed from the bottom of the car for any reason. Body must have complete front and rear bumpers and valance panels
as produced by the manufacturer. Front air dams/deflectors that are molded to the body may not be removed. No wings or spoilers permitted unless they are original equipment produced by the manufacture.
Chassis: Unlimited, no ball bearings. Wheelie bars must not exceed 5” from center line of rear axle to
center line of wheelie bar axle. Front Tire: ¾” minimum diameter.
Motor:TBA: 140 grams
Grand Touring D (GT/D)
Body: 1980 and newer American Sedan Hardtop Station wagon, Pickup, or convertibles (convertibles must have tops installed). Production two seat sports cars i.e. Corvettes, Vipers, GT40 Ford are permitted. Must be model kit, promotional kit, or resin cast body. No modifications to the stock configuration of the body as delivered by the manufacturer, except for you may open up the underside of the body’s front nose area for chassis or guide clearance only. Body must have complete front and rear bumpers and valance panels as produced by the manufacturer. Front air dams/deflectors that are
molded to the body may not be removed. No wings or spoilers permitted unless they are original equipment produced by the manufacture.
Chassis: Unlimited, no ball bearings. Wheelie bars must not exceed 5” from center line of rear axle to center line of wheelie bar axle. Front Tire: ¾” minimum diameter.
Motor: S16DWeight: 145 grams
Sport Compact (SP/C)
Body: Any year, any make sport compact. Must be model kit, promotional kit, or resin cast body. No modifications to the stock configuration of the body as delivered by the manufacturer, except for you may open up the underside of the body’s front nose area for chassis or guide clearance only. Body must have complete front and rear bumpers and valance panels as produced by the manufacturer. Aftermarket “tuner” style wings may be added.
Chassis: Unlimited, no ball bearings. Wheelie bars must not exceed 5” from center line of rear axle to center line of wheelie bar axle. Front Tire: ¾” minimum diameter.
Motor: S16DWeight: 120 grams
Mountain Motor Pro Stock Truck (MM/PST)
Body: (1/24th or 1/25th scale) Must be of plastic, resin, or styrene, no modifications to styrene bodies. Reserved for 1996 or later pickups of extended cab, midsize (Dakota, S-10, GMC-Sonoma, Ranger, Etc.) class. Body (cab) may be angle cut but must retain at least 30% of the front bumper. Cab must also retain door lines. Bed must retain stock dimension. Colored tonneau cover mandatory over the bed. Must have rear bumper or roll pan. Body may be opened for wheelie bar clearance only. Head lights, parking and tail lights must be retained in stock original factory location. Must resemble full
scale N.H.R.A. Pro Stock Truck.
Diaplanes: Prohibited.
Hood Scoop: Cowl induction type hood only. All trucks must have cowl induction hood scoop measuring at least ¼ inch in height.
Rear Spoiler: Pro Stock style spoiler with spill plates only. Plastic or styrene only. Must be chrome or painted to match paint scheme of truck. Maximum length 7/8” measured from mounting point of bed to end of spoiler. Minimum length ¼”. Must attach to the tail end of bed no lower than horizontal. Spill plated cannot measure more than 5/16” tall. All trucks must have a spoiler.
Chassis: Unlimited. Ball bearings allowed in axle. All motors must be mounted in-line only. Wheelie bars must not exceed 5” from center line of rear axle to center line of wheelie bar axle.
Front Wheels: ¾” minimum diameter as measured from the outside diameter of the tire. The angling of front wheels to allow lowering of front end prohibited. Flat spotting of tires to allow for clearance is prohibited.
Rear Wheels/Tires: Wheel hub diameter 5/8”, tire diameter minimum 1-1/16”. Minimum tire tread width fully contacting track surface (0.500”).
Motor: TBA: 120 grams
Pro Modified (P/M)
Body: Any year, any make. Must be model kit, promotional kit, or resin cast body. No vacuum formed bodies allowed. No dragsters, altereds, or late model funny car bodies allowed. Early era funny cars must receive tech official approval. Must have pro stock hood scoop, cowl induction of at least 3/16” tall, top hat, or engine detail extending through hood. Body may be chopped, channeled, or lowered, but must conform to basic pro mod style appearance.
Body Dimensions:
2-1/4” minimum body width at any point.
1-1/2” minimum roof height measured from track surface.
¼” minimum side window height measured 90 degrees to the track at rear door line.
Rear wheel tubs permitted.
Front wheel tubs prohibited.
Front diaplane ½” maximum.
Must have front and rear bumper.
Tech Director will have final decision on excessive body modification.
Chassis: Unlimited, ball bearings allowed. Wheelie bars must not exceed 5” from center line of rear axle to center of wheelie bar axle.
Front Tire: ¾” minimum diameter measured 90 degrees to track surface.
Rear Wing: Maximum 1-1/2” overhang measured from highest point and/or rearward most point of
body.
Motor: TBA. Weight: TBA grams
Nostalgia Pro Stock (N/PS)
Body: 1967 to 1979 American Coupes, Hardtops, and Sedans. Must be model
kit, promotional kit, or resin cast body. No vacuum formed bodies allowed. No
funny cars, convertibles, or two seat vehicles. No modifications to the stock
configuration of the body as delivered by the manufacturer. No material can be
removed from the bottom of the car for any reason. Body must have complete
front and rear bumpers and valance panels as produced by the manufacturer. All
cars must have Pro Stock Style hood scoop which should, whenever possible,
match the configuration of the scoop during the era of the pro stock car
represented. All scoops shall be a minimum of 7/16” high above the hood line,
5/8” wide, and 1-1/4” long. Rear wheel wells may be enlarged for tire clearance
and/or scale appearance.
Chassis: Unlimited, inline motor only. Ball bearings allowed in axle only.
Wheelie bars must not exceed 5” from center line of rear axle to center of
wheelie bar axle.
Front Tire: ¾” minimum diameter.
Rear Tire: 1-1/16” minimum diameter. .500 minimum width tread patch.
Rear Wing: Maximum 5/8” overhang measured from highest point and/or
rearward most point of body. Side plates, if present, can be no higher than 3/32”
above the wing.
Motor: TBA Weight: TBA grams
Super Stock A (SS/A)
Body: 1955 to 1990 American production model. Coupe, Sedan, Station wagon, Panel Delivery, orpick-up only. No sports cars (2seater) example: Corvette, Viper, Etc. Body must be a model kit,promotional kit, or resin cast body. No body modifications. No material is to be removed from bottomof car. Complete front and rear bumpers. If vehicle came from factory with hood scoop or rear spoiler,it can be used. Body can be modified for wheelie bar clearance only.
Chassis: Unlimited, must conform to body markings. Must have front wheels. No bearings. Front tire:
¾” minimum diameter.
Motor: S16D. Weight: 150 grams.
Super Stock D (SS/D)
Body: 1955 to 1979 American Sedan Hardtop Station wagon, Pickup, or convertibles (convertibles must have tops installed). Production sports car i.e. Corvettes, Thunderbirds are permitted Body must be a model kit, promotional kit, or resin cast body. No modifications permitted to the stock configuration of the body as delivered by the manufacturer. No material can be removed from the bottom of the car for any reason. Body must have complete front and rear bumpers and valance panels
as produced by the manufacturer. Front air dams/deflectors that are molded to the body may not be removed. No wings or spoilers permitted unless they are original equipment produced by the manufacture.
Chassis: Unlimited, no ball bearings. Wheelie bars must not exceed 5” from center line of rear axle to
center line of wheelie bar axle. Front Tire: ¾” minimum diameter.
Motor:TBA: 140 grams
Grand Touring D (GT/D)
Body: 1980 and newer American Sedan Hardtop Station wagon, Pickup, or convertibles (convertibles must have tops installed). Production two seat sports cars i.e. Corvettes, Vipers, GT40 Ford are permitted. Must be model kit, promotional kit, or resin cast body. No modifications to the stock configuration of the body as delivered by the manufacturer, except for you may open up the underside of the body’s front nose area for chassis or guide clearance only. Body must have complete front and rear bumpers and valance panels as produced by the manufacturer. Front air dams/deflectors that are
molded to the body may not be removed. No wings or spoilers permitted unless they are original equipment produced by the manufacture.
Chassis: Unlimited, no ball bearings. Wheelie bars must not exceed 5” from center line of rear axle to center line of wheelie bar axle. Front Tire: ¾” minimum diameter.
Motor: S16DWeight: 145 grams
Sport Compact (SP/C)
Body: Any year, any make sport compact. Must be model kit, promotional kit, or resin cast body. No modifications to the stock configuration of the body as delivered by the manufacturer, except for you may open up the underside of the body’s front nose area for chassis or guide clearance only. Body must have complete front and rear bumpers and valance panels as produced by the manufacturer. Aftermarket “tuner” style wings may be added.
Chassis: Unlimited, no ball bearings. Wheelie bars must not exceed 5” from center line of rear axle to center line of wheelie bar axle. Front Tire: ¾” minimum diameter.
Motor: S16DWeight: 120 grams
Mountain Motor Pro Stock Truck (MM/PST)
Body: (1/24th or 1/25th scale) Must be of plastic, resin, or styrene, no modifications to styrene bodies. Reserved for 1996 or later pickups of extended cab, midsize (Dakota, S-10, GMC-Sonoma, Ranger, Etc.) class. Body (cab) may be angle cut but must retain at least 30% of the front bumper. Cab must also retain door lines. Bed must retain stock dimension. Colored tonneau cover mandatory over the bed. Must have rear bumper or roll pan. Body may be opened for wheelie bar clearance only. Head lights, parking and tail lights must be retained in stock original factory location. Must resemble full
scale N.H.R.A. Pro Stock Truck.
Diaplanes: Prohibited.
Hood Scoop: Cowl induction type hood only. All trucks must have cowl induction hood scoop measuring at least ¼ inch in height.
Rear Spoiler: Pro Stock style spoiler with spill plates only. Plastic or styrene only. Must be chrome or painted to match paint scheme of truck. Maximum length 7/8” measured from mounting point of bed to end of spoiler. Minimum length ¼”. Must attach to the tail end of bed no lower than horizontal. Spill plated cannot measure more than 5/16” tall. All trucks must have a spoiler.
Chassis: Unlimited. Ball bearings allowed in axle. All motors must be mounted in-line only. Wheelie bars must not exceed 5” from center line of rear axle to center line of wheelie bar axle.
Front Wheels: ¾” minimum diameter as measured from the outside diameter of the tire. The angling of front wheels to allow lowering of front end prohibited. Flat spotting of tires to allow for clearance is prohibited.
Rear Wheels/Tires: Wheel hub diameter 5/8”, tire diameter minimum 1-1/16”. Minimum tire tread width fully contacting track surface (0.500”).
Motor: TBA: 120 grams
Pro Modified (P/M)
Body: Any year, any make. Must be model kit, promotional kit, or resin cast body. No vacuum formed bodies allowed. No dragsters, altereds, or late model funny car bodies allowed. Early era funny cars must receive tech official approval. Must have pro stock hood scoop, cowl induction of at least 3/16” tall, top hat, or engine detail extending through hood. Body may be chopped, channeled, or lowered, but must conform to basic pro mod style appearance.
Body Dimensions:
2-1/4” minimum body width at any point.
1-1/2” minimum roof height measured from track surface.
¼” minimum side window height measured 90 degrees to the track at rear door line.
Rear wheel tubs permitted.
Front wheel tubs prohibited.
Front diaplane ½” maximum.
Must have front and rear bumper.
Tech Director will have final decision on excessive body modification.
Chassis: Unlimited, ball bearings allowed. Wheelie bars must not exceed 5” from center line of rear axle to center of wheelie bar axle.
Front Tire: ¾” minimum diameter measured 90 degrees to track surface.
Rear Wing: Maximum 1-1/2” overhang measured from highest point and/or rearward most point of
body.
Motor: TBA. Weight: TBA grams
Nostalgia Pro Stock (N/PS)
Body: 1967 to 1979 American Coupes, Hardtops, and Sedans. Must be model
kit, promotional kit, or resin cast body. No vacuum formed bodies allowed. No
funny cars, convertibles, or two seat vehicles. No modifications to the stock
configuration of the body as delivered by the manufacturer. No material can be
removed from the bottom of the car for any reason. Body must have complete
front and rear bumpers and valance panels as produced by the manufacturer. All
cars must have Pro Stock Style hood scoop which should, whenever possible,
match the configuration of the scoop during the era of the pro stock car
represented. All scoops shall be a minimum of 7/16” high above the hood line,
5/8” wide, and 1-1/4” long. Rear wheel wells may be enlarged for tire clearance
and/or scale appearance.
Chassis: Unlimited, inline motor only. Ball bearings allowed in axle only.
Wheelie bars must not exceed 5” from center line of rear axle to center of
wheelie bar axle.
Front Tire: ¾” minimum diameter.
Rear Tire: 1-1/16” minimum diameter. .500 minimum width tread patch.
Rear Wing: Maximum 5/8” overhang measured from highest point and/or
rearward most point of body. Side plates, if present, can be no higher than 3/32”
above the wing.
Motor: TBA Weight: TBA grams
