Youre still trying to find a favorable connecting-rod length and compression height on the piston, says Kenny Duttweiler, noting one Bonneville engine he built had a 2.850-inch stroke and he wanted a 1.350-inch compression height. In Pro Stock Motorcycle, Andrew Hines is still looking for his first victory of 2020 on his Harley-Davidson, NHRA officials announced a 22-race 2021 NHRA Camping World Drag Racing Series schedule. Honing is the most critical operation, not only for establishing the best cross-hatch pattern for sealing the rings but also for ensuring that the cylinder is perfectly round. NHRA photo. It replaces the two-valve design which was introduced in 1998 and retains the 1,850 cubic centimeters engine displacement. Mopar has the Hemi 99 (PN P4876887) and the Hemi 06 (PN P5153454) blocks that are eligible. And increasing the rev factor in a naturally aspirated engine is how the builder converts torque into more horsepower. Class eligibility is based on requirements that include type of vehicle, engine size, vehicle weight, allowable modifications, and aerodynamics. Shrouded in secrecy, Chevrolets Pro Stock Drag Race Competition Engine (DRCE) evolved the big-block Chevy into a 1,400-hp, 10,000-rpm, naturally aspirated motorsport weapon one race weekend at a time. Engines are typically Harley-Davidson V-twins, supercharged and pumping out about 2,000 horsepower on nitromethane fuel. Remember, in Pro Stock, 10 pounds equates to .01 over the entire run. The group is owned by German automotive manufacturer Audi through its Italian subsidiary Lamborghini, which is in turn owned by the Volkswagen Group. The Vance & Hines team also recently announced the end of their long factory-backed Harley-Davidson effort, a move that allowed more time to devote to the four-valve project. 2 spots at the DENSO Spark Plugs NHRA Four-Wide Nationals at The Strip at Las Vegas Motor Speedway. This cookie is set by GDPR Cookie Consent plugin. These cookies will be stored in your browser only with your consent. It has been a feature of NHRA drag racing since the 1980s when it was added to the professional class structure and has since spread around the globe. The most popular ring material is 440B stainless steel, although some builders prefer carbon steel. NHRA Pro Stock Motorcycle Team Forming on the West Coast A new West Coast-based Pro. The first female driver in this category is Vicki Farr; the first officially licensed driver is Stephanie Reaves, as well as first to qualify at a NHRA National Event, and the best known female face in this category is Angelle Sampey (Seeling), who set a national record 7.38 second elapsed time in 1996, during her rookie year. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. How much money does a nhra driver per run? 1 at the Big Go on Saturday, Eddie Krawiec Takes Top Spot in Opening US Nationals Qualifying, Eddie Krawiec Eyes 50th Career Win at NHRA US Nationals, Eddie Krawiec Looks to Repeat as US Nationals Champion, Joey Gladstone Wins Back-to-Back NHRA Races, Joey Gladstone In Search of Back-to-Back Wins as PSM Returns to Topeka. 2 of eliminations to collecting his second career NHRA Camping World Drag Racing Series victory Sunday at the DENSO Spark Plugs NHRA Four-Wide Nationals at The Strip, Matt and Angie Smith know how to step up at their sponsors race , powering to the No. With Ford dropping out of drag racing for 2015, no one is racing the Blue Oval, but the eligible blocks are M-6010-A500, M-6010-JC50 and M-6010-JC51. Dystany's passion for speed started at a early age. 2 Peter Svenssons UEM Top Fuel Bike 5.7 Seconds. $5,999.99 $6,499.99. These are the Black Ops of Pro Stock drag racing. Estimated horsepower and torque: 400 @ 9800/240 @ 7,000, Estimated weight: 185-pounds dry weight (engine and transmission as singular unit), Estimated weight: 220-pounds (dry weight). The second half of the six-race, Its great news for Matt Smith racing and bad news for the rest of the NHRA Pro Stock Motorcycle class the five-time and defending class champion is apparently peaking at the right time. How fast is a Pro Stock Motorcycle? At the turn of the century it was rare for a Pro Stock engine to rev over 9,600 rpm. Top Fuel 9.8 GX. Tunes are so different on the carbs that switching them could result in a loss of 30 to 40 horsepower. The intake and exhaust port spigots are modular, so they can be adapted to different air boxes and exhaust pipes without redesigning or remanufacturing the head itself. The Pro Stock Motorcycle class has long been one of NHRAs most competitive and most diverse eliminators, and it figures to become even more competitive with the arrival of a new four-valve Suzuki engine package offered by Vance & Hines, the most successful team in the history of the class. With race teams looking to pick up an early-season win, fans will be treated to all the thrills and incredible moments that comes with 11,000-horsepower, 330-mph nitro action, and the exciting side-by-side action in Pro Stock and Pro Stock Motorcycle as it all returns to the Windy City. Enjoy! The NHRA Pro Stock Motorcycle All-Star Callout happens on Saturday, July 29, during the final race of the famed NHRA Western Swing the DENSO NHRA Sonoma Nationals at Sonoma Raceway. A large cam, such as this example from Comp Cams, improves torsional stiffness and allows for more aggressive lobe designs. To paraphrase Crocodile Dundee, "That's an engine!" Stare in wonder at its gaping . 1 spot for the second straight race, going 6.736 at 201.16 on, Just last month Joey Gladstone was recovering from a high speed testing crash at Darlington Dragway. Four- and six-cylinder-powered entries may have a minimum weight of 1,000 pounds; all others cannot weigh less than 1,350 pounds. Obviously, cylinder heads have improved over the years and were running a much higher rpm.. Rocker-arm ratios were reportedly as high as 2.5:1 at some point in the Pro Stock timeline. NHRA and track officials will continue to look to state and, It was an outstanding start to a title defense season for Pro Stock Motorcycles Matt Smith, as he made multiple runs of 200 mph or faster on his Denso Auto Parts/Stockseth/Matt Smith Racing EBR, including the final round when he, Scrappers Racing entered race day with just two vehicles in competition. A method to the madness: looking back at John Forces 2022 season, After KB Titan merger, Greg Anderson sees greatness ahead with powerful reinforcements, Relentless red: The cold, hard numbers behind Erica Enders fifth world title, Q&A: Justin Ashley looks back at successful 2022 season in Top Fuel, Getting Gone: A Look at who held sway on the starting line in Top Fuel in 2022, Top Alcohol Dragster rookie Hunter Green is wasting no time, Ten unforgettable moments from the 2022 season, Cruz Pedregon Racing promotes Ryan Elliott to assistant crew chief, After a tough 2022 season, the Harlow Sammons Pro Stock team is pressing forward, Nitro Hemi engines made explosive power at the 2022 Auto Club Finals, Finals winners Cruz Pedregon, Greg Anderson, and Angie Smith on WFO Radio, Rahn Tobler, the quintessential crew chief, reflects on 50 years of speed, Neff, Schaffer excited about 2023 plans for Tony Schumacher, Maynard team, Brittany Force reflects on her Top Fuel team's stellar season, Top Fuel racer Joe Morrison featured in PBS documentary, Even with the championship in hand, the work doesn't stop for Capps' team, Ron Capps storybook first season as team owner ends with championship, Design: Naturally aspirated 160-cid V-Twin, two-valves per cylinder, Design: Naturally-aspirated 1,850cc (113 cid) inline four cylinder, two-valves per cylinder based on an OE Suzuki GS 1150, Engine block: Billet 7075 aluminum, CNC machined, Bore centers: 95mm 1, 2 - 3, 4 (3.74inch)/120mm 2, 3 (4.72 inch), Crankshaft: CNC-machined steel plain-rod bearings, roller mains, Crankshaft: CNC-machined steel nine-piece pressed/welded together with roller bearing rods and mains, Cylinder heads: 6013 Billet-aluminum, CNC ported, Cylinder heads: Cast aluminum, CNC ported, Intake valve size: 46-48mm (1.81 inch-1.89 inch), Exhaust valve size: 38-40mm (1.49 inch-1.58 inch), Valve covers: billet aluminum or cast magnesium, Camshaft: Roller camshaft made from tool steel, four individual cams, gear driven, Camshaft: Roller chain driven, plain bearing, tool steel, Typical lift: 0.575-0.625 inch (x rocker ratio), Typical lift: 16mm-18mm (.63 inch-.70 inch), Duration: 265-275 degrees (intake); 265-275 degrees (exhaust), Duration: 285-290 degrees (intake); 300-305 degrees (exhaust), Pushrods: 8-inch length, minimum per valve, Valve springs: Steel, 195 pounds installed, 475 pounds max lift, Valve springs: Steel, 500-pounds installed, 1,400-pounds, max lift, Throttle body: Individual per cylinder/ billet aluminum with 3.25-inch blade, Throttle body: Individual per cylinder sealed to a common plenum airbox; Lectron carburetors also an option and widely used, Intake runners: Billet magnesium or billet-aluminum, common plenum, breathing from sealed airbox, Fuel Injectors: Limited to one per cylinder. The three-time world champion would also love to continue to be the only Pro Stock Motorcycle competitor to win in Bristol, something shell try to achieve weekend, The NHRA Camping World Drag Racing Series returns to one of drag racings premier facilities, bringing its must-see 11,000-horsepower, 330-mph action to Summit Racing Equipment Motorsports Park on June 23-26 for the Summit Racing Equipment NHRA Nationals. The NHRA Pro Stock Motorcycle All-Star Callout happens on Saturday, July 29 during the final race of the famed NHRA Western Swing, the DENSO NHRA Sonoma Nationals at Sonoma Raceway. Youll never see a current set of Pro Stock heads out in the open. If you are a fan of high horsepower, naturally aspirated Pro Stock Motorcycles (Pro Bikes) this full event drag bike showdown in Australia is for you! Vance & Hines announced today that six-time NHRA Pro Stock Motorcycle (PSM) drag racing champion Andrew Hines and four-time champion Eddie Krawiec will return to the track for the remainder of the 2021 season after sitting out the first two PSM events. Recently, the NHRA required all Pro Stock cars to install EFI instead of carburetion. Wife Angie Smith Wins Race, Eddie Krawiec Grabs Top Spot as Championship Hangs In Balance in Vegas, NHRA Pro Stock Motorcycle Championship Rolls Into Vegas, Matt Smith Builds on Point Lead With 4th Straight Pole, Angie Smith Reacts to Breaking the 200 MPH Barrier, NHRA Pro Stock Motorcycle Battle Moves to Texas, How Matt Smith Took The Wally at the NHRA Gatornationals, Flyin Ryan Oehler Nails 1.07 60-Foot at First PSM Test Session of the Year, An Emotional Surprise for Motorcycle Drag Racing Great. Similar in physical appearance to their nitro-burning Funny Car counterparts, Top Alcohol Funny Cars are restricted to the use of methanol fuel and have a three-speed transmission. We will safeguard your e-mail and only send content you request. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! For the first time, Vance & Hines has integrated finger-follower technology rather than a shim-under-bucket design in a drag racing cylinder head, which allows for less mass in the valve train and increased rpm. How much HP does a Pro Stock Motorcycle make? 2021. All logos and images are reserved. You do the math and you come up with a deck height.. Sampey finished off a fantastic day in Pro Stock Motorcycle with her second victory in the Countdown to the Championship. Hines wouldnt speculate when it comes to the anticipated performance of the Suzuki four-valve, but he did acknowledge that the two-valve platform that has been the standard for decades is likely on borrowed time. 205.04 mph Performances can be in the 5.1s at more than 285 mph. Four bikes went down the track Saturday evening and then the rest of the session was cancelled, leaving most without a qualifying run. Although they have begun to feel better and have returned to work, the family decided to stay home another weekend before continuing their race, There was a lot to talk about in the NHRA Pro Stock Motorcycle class at the Gators. Another modern feature many Pro Stock teams would like to see implemented is electronic fuel injection. Motorcycles in the Top Fuel category are fueled by nitro methane and can make nearly 1,500 horsepower. A shorter rod comes off TDC much quicker. We dont have to be quite as sophisticated in a lot of ways. 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