dragist
Racing Wind!
Joined: 06 Apr 2005
Posts: 308
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 Posted: Fri Apr 06, 2007 2:39 pm Post subject: NHRA Info |
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Top Fuel
Top Fuel dragsters must weigh at least 2,225 pounds, including the driver, and have a wheelbase of 180 to 300 inches. From the front of the car to a point 12 inches behind the centerline of the front axle, the cars must maintain a minimum ground clearance of three inches. The rest of the car must have a two-inch clearance. The top of the rear wing may not be more than 90 inches from the ground, and the wings are not permitted to move during the run.
Funny Car
Funny Cars must weigh at least 2,400 pounds, driver included, and have a wheelbase of 124 to 125 inches. From the front of the car to a point 12 inches behind the centerline of the front axle, the minimum ground clearance is three inches. The rest of the car must have a two-inch clearance with the exception of the oil pan and exhaust headers. The front overhang may not exceed 40 inches, measured from the centerline of the front axle. The underside of the body, including the roof area, must have a flame-retardant covering or coating.
Pro Stock
Pro Stock cars must weigh at least 2,350 pounds, including the driver. The cars must be no more than five years old and be a two-door coupe or two-door sedan (domestic or foreign). The rear spoilers cannot be longer than 14 inches from the point of attachment to the end of the piece. Headlights and parking lights must be stock-appearing.
Pro Stock Motorcycle
Pro Stock Motorcycles have differing weights depending on engine combination - 575 pounds for Kawasaki, 590 for 92-cid Suzuki, 615 for 101-cid Suzuki, and 615 for Harley-Davidson and V-Twin, including rider - and have a maximum wheelbase of 70 inches. Bikes must be 1998 or later models and retain their stock appearance, including a front fender, simulated headlight and taillight, and manufacturer identification on both sides. The engine and body make must be the same. All motorcycles must pass NHRA body inspection prior to competition.
Top Alcohol Dragster
Top Alcohol Dragsters bear a striking resemblance to Top Fuelers, but most burn methanol. They compete based on a weight-to-cubic-inch formula, and nonsupercharged nitro-burning entries are permitted. Engines are limited to between 410 and 528 cid, depending on the fuel and supercharger type. They can cover the quarter-mile in 5.2 seconds at speeds in excess of 270 mph.
Top Alcohol Funny Car
Top Alcohol Funny Cars also look like their fuel-burning counterparts, but instead of nitromethane, they must burn methanol. They compete on a weight-to-cubic-inch formula, and engines are limited to 565 cid. They must weigh at least 2,200 pounds and have a wheelbase from 100 to 125 inches. Performance marks are in the mid-five-second range at 260 mph.
http://www.nhra.com/aboutnhr/classes.htm
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