![]() ![]() Stage: To position the front wheels right on the starting line so the small yellow lights below the pre-stage lights are glowing. Speed trap: The final 66 feet to the finish line where speed is recorded. It is the most accurate measure of the launch from the starting line and in most cases determines how quick the rest of the run will be. Sixty-foot time: The time it takes a vehicle to cover the first 60 feet of the racetrack. ![]() The reaction-time counter begins when the last amber light flashes on the Tree and stops when the vehicle clears the stage beam. Reaction time: The time it takes a driver to react to the green starting light on the Christmas Tree, measured in thousandths of a second. All three large amber lights on the Christmas Tree flash simultaneously, followed four-tenths of a second later by the green starting light. Pro Tree: Used in Top Fuel, Funny Car, Pro Stock, Pro Stock Motorcycle, Top Alcohol Dragster, Top Alcohol Funny Car, Super Comp, Super Gas, and Super Street, which feature heads-up competition. The next step is to stage and be ready to race. Pre-stage: To position the front wheels about seven inches behind the starting line so the small yellow lights atop that driver’s side of the Christmas Tree are glowing. Nitromethane: Produced specifically as a fuel for drag racing, it is the result of a chemical reaction between nitric acid and propane. Methanol: Pure methyl alcohol produced by synthesis used in Top Alcohol Dragsters and Top Alcohol Funny Cars. Interval timers: Part of a secondary timing system that records elapsed times, primarily for the racers? benefit, at 60, 330, 660, and 1,000 feet. It allows various classes of cars in the same category to race together competitively. Index: The expected performance for vehicles in a class as assigned by NHRA. Holeshot: When a driver reacts quicker to the Christmas Tree to win a race against an opponent with a quicker elapsed time (E.T.) A perfect reaction time on a full Tree is. ![]() The three amber bulbs on the Christmas Tree flash consecutively five-tenths of a second apart, followed five-tenths later by the green starting light. Winners continue in tournament-style competition until one remains.įoul start: Indicated by a red light on the Christmas Tree when a car has left the starting line before the green light, or starting signal.įull Tree: Used in Competition, Super Stock, and Stock, for which a handicap starting system is used to equalize competition. Also called e.t.Įliminations: After qualifying, vehicles race two at a time, resulting in one winner from each pair. In that position, a driver is closer to the finish line but dangerously close to a foul start.ĭropped cylinder: When a cylinder runs too rich (too much fuel in the air/fuel mixture) and prevents the spark plug(s) from firing.Įlapsed time: The time it takes a vehicle to travel from the starting line to the finish line. It displays a calibrated-light countdown for each driver.ĭeep stage: To roll a few inches farther into the beams after staging, which causes the pre-stage lights to go out. A burnout precedes every run.Ĭhristmas Tree: Also called the Tree, it is the noticeable electronic starting device between the lanes on the starting line. If both drivers break out, the one who runs closest to his or her dial is the winner.īurnout: Spinning the rear tires in water to heat and clean them prior to a run for better traction. Unless the opponent commits a more serious foul (e.g., red-lights, crosses the centerline, or fails a post-race inspection), the driver who breaks out loses. For more information visit: or ProLineRacing.Breakout: Used only in handicap racing, “breakout” refers to a contestant running quicker than he or she “dialed” his or her vehicle (predicted how quick it would run). The crank-driven supercharger is a good example: it’s not new but ProCharger have made it their own and revolutionized the industry. ![]() It turns out that Proline Racing's forward-thinking and early R&D in the ProCharger carved out a market for the engine builder and provider of turnkey race packages, on both radial and big tire! The pace was set early in 2019 when Galot Motorsports’ Kevin Rivenbark set the world alight when he ran a world record on radial tires and wrote his name in the history books-the first to run a 3.58 ET over 1/8th mile.Īmong many others, author Stephen King said, “Sooner or later, everything old is new again,” and it’s true that many things we think are new were invented more than a century ago including electric cars. At the PDRA World Finals in October 2019 Randy ran 3.597 at over 209 mph ironically against Kevin Rivenbark and the Galot Motorsports Camaro. Randy Weatherford’s 2017 Jerry Bickel Camaro is powered by 564 ci, raised-cam Proline Racing Hemi, utilizing an AJPE billet block and a CrankDrive™ F-3X-140 ProCharger. ![]()
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