In an, Matt Smith has never raced at Bristol Dragway, but he doesnt have to look far to see the impact his family has had at the fan-favorite facility. The most popular ring material is 440B stainless steel, although some builders prefer carbon steel. Any legal body style is permitted in NHRA or PDRA sanctioned races, with former NHRA Pro Stock Motorcycle champion Matt Smith racing his father's (Trickie Rickie Smith's) 2010-style Chevrolet Camaro at the 2011 U. S. Nationals . It also prompted cylinder-head porters to raise the intake-port roofs and stand the valves up, giving the airflow a straighter shot at the valve. The NHRA has unveiled the category schedule for the four professional categories in the NHRA Camping World Drag Racing Series for the 2023 season, as well as the announcement of highly-anticipated NHRA All-Star Callout events in both Pro Stock and Pro Stock Motorcycle, adding to the scheduled Pep Boys NHRA All-Star Callout specialty races in both Top Fuel and Funny Car. Joining the team as a motorcycle specialist, he's covered just about everything for New Atlas, concentrating lately on eVTOLs, hydrogen, energy, aviation, audiovisual, weird stuff and things that go fast. With shorter strokes and shorter deck heights, other short-block components were also downsized, and that brings us back to the rod length-to-stroke ratio in Pro Stock development. Before that, wed kicked around a few ideas as far as overall design and some of the things we wanted to try, including the finger-style followers. These engines are heavily modified to generate massive amounts of horsepower and torque. The block is cast at the same foundry in England where GMs NASCAR blocks are made. If you want to make good power up high, you have to have a short intake runner.. Hed appreciate what happened in the final qualifying session of the NHRA Finals from the Pomona, Ca. Outrageous. All four professional categories will also race in all six events in the Countdown to the Championship playoffs. If done correctly, that frees up about 10 pounds for the final few feet, which could be the difference in a dead-heat finish. Smith finished off a nearly-perfect weekend in, After a year away from World Wide Technology raceway, the Pro Stock Motorcycle class returned with a vengeance on Friday, with defending world champ Matt Smith making an impressive run of 6.709 at 202.82 on his Denso Auto Parts Buell, Pro Stock Motorcycle also returns to action in St. Louis to this weekends NHRA Midwest Nationals at World Wide Technology Raceway and Joey Gladstone brings plenty of momentum with him after his victory in Reading. Looking for, The next victory for Pro Stock Motorcycle standout Eddie Krawiec would be a big one, as the four-time world champion is a win away from his 50th career victory. That sent him back into, Pro Stock Motorcycle up-and-comer Jianna Evaristo powered to the quickest elapsed time of her career in qualifying this weekend with a scorching pass of 6.870 at 194.86, putting her in the No. Gladstone wrapped up a perfect, Pro Stock Motorcycle will make its first appearance at Heartland Motorsports Park since 1997 for this weekends Menards NHRA Nationals, meaning Joey Gladstone will race in Topeka for the first time in the class. In the third qualifying session she set a personal, On a record-setting day in Pro Stock Motorcycle at the 11th annual NGK NTK NHRA Four-Wide Nationals at zMAX Dragway, it was Scotty Pollacheck who claimed the No. Engine builders have options such as the number of gas ports and oil drain-back holes, depending on their needs. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. 25 Mar 2022 Posted by NHRA.com staff Feature To give some perspective on the accomplishment that is Erica Enders running a 6.45 at 213.57 mph we caught up with Mark Ingersoll while he was testing. Most NHRA Pro Stock Bikes are powered by a 300 horsepower (or more), 1,500cc (92 cubic inch . One of the limitations of the past, you could use a 3 block but you couldnt put a 2 head on it, and vice versa.. The Charlotte four-wide event continues to, Pro Stock Motorcycle racer Steve Johnson closed out Houston Raceway Park in style, picking up the win in front of a sold-out crowd on Sunday at the 35th and final NHRA SpringNationals at Houston Raceway Park. Switching to EFI would also make the cars more relevant to todays production vehicles and reduce the size of the air scoop, which would help increase driver visibility. Shes jumped up four spots to third place in, The NHRA Countdown to the Championship has already treated race fans to dominant performances, record-breaking runs, incredible surprises, and changes at the top of the standings and thats just through three playoff races. Also, most Pro Stock cranks are center counterweighted. Some teams may use an incometer, such as this unit from PAT Gauge, to analyze the roundness of cylinder bores. How Long Will Gaige Herreras 2023 Unbeaten Streak Last? 13 qualifying position to face Angelle Sampey. 1 spot from Saturday, clinching her fourth top qualifier of the season thanks to her run of 6.796 at 199.88 on her Mission Foods/Vance & Hines Suzuki. The first forced-induction supersport bike in forever, it wears outrageous mirror-finish paint that immediately sets it visually miles apart from anything else on the market. To build Pro Stock engines we had to come up with a new block. The runner has to see the booster.. "As a result, we believe NHRA fans are in store for some exciting side-by-side racing in the Pro Stock Motorcycle category in 2013." The first points championship season was the 1987 NHRA season. A properly designed billet aluminum block would likely match an iron block in strength, but NHRA would never approve such a move. But as technology increased to support larger bores and shorter strokes, the rod lengths could be adjusted to support more aggressive rod ratios. This Motorcycle racing-related article is a stub. 3 of the engines are great top sportsman engines. 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. Pro Stock fans, of course, may bring up thequestionable victories by one Mopar team in the 90s, but Pro Stock has been pretty much a GM playground over the years. He amassed 33 NHRA event wins before his death in 1998.[1]. 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. The block is designed to accept Jesel cartridge lifters (read what Dan Jesel has to say about these new lifters in this EngineLabs Tech5 column). We found these Ford mirror-image-port heads at PRI a couple years ago. 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. The latest makes 205 ponies, and you can get it an M Sport package with carbon wheels and all sorts of cool bits and bobs. On the left are the new Jesel cartridge lifters and belt drive specifically for the DRCE4 block, and PAC offers a range of valve springs that will work in 500ci applications as well as Pro Mod and other Mountain Motor applications. The category was mostly dominated by Suzuki GS powered machines until the introduction of the Buell and the Harley-Davidson V-Rod. NHRA also offers the NHRA Jr. Street program for teens and the Summit Racing Jr. In Pro Stock Motorcycle, riders in the two-wheeled class will compete at 15 races next season, starting with the categorys traditional opener in Gainesville. A shorter rod comes off TDC much quicker. The fact that the milestone victory could come at the biggest, As a multi-time NHRA Pro Stock Motorcycle champion Eddie Krawiec knows all about racing in big moments. Pro Stock Motorcycle, which is making its 2022 season debut in Gainesville, could not complete qualifying due to weather on Saturday. A traditional BBC has bore centers of 4.840 inches. The battery is rumored to hold a huge 21.5 kWh, which should do good things for the range, but Damon is selling this thing more as a technology platform to push its Shift variable ergonomics, which let you move the seat, handlebars and footpegs, potentially on the move as well as its Co-Pilot traffic-sensing haptics system designed to warn you about oncoming threats before you see them. 1 position on Friday at Lucas Oil Indianapolis Raceway Park. The block supports a total of nine 70mm to 80mm cam bearings. These are just random thoughts that may be of interest to Pro Stock fans. But Gladstone has enjoyed at, On a day that included a barrage on the Sonoma Raceway record books, Pro Stock Motorcycle racer Joey Gladstone rolled to his first win of the 2022 season on Sunday and moved into the points lead in front of a, NHRA Camping World Pro Stock Motorcycle team Flyin Ryan Racing supports an additional pro stock motorcycle entry in Lance Bonham at the Denso Spark Plugs NHRA Sonoma Nationals at Sonoma Raceway with the help of Burromax Electric Mini Bikes July, With a breathtaking backdrop in the heart of wine country, the NHRA Camping World Drag Racing Series is set to deliver an incredible weekend of 11,000-horsepower, 330-mph action at Sonoma Raceway during the 34th annual Denso NHRA Sonoma Nationals on, Boasting one of the most unique challenges in motorsports, legendary Bandimere Speedway once again plays host to the upcoming 42nd annual Dodge Power Brokers NHRA Mile-High Nationals as the NHRA Camping World Drag Racing Series returns to Thunder Mountain on, A week after going red in the NHRA Pro Stock Motorcycle final round, Angelle Sampey more than made up for it on Sunday in Norwalk, knocking off Joey Gladstone in the championship round with a standout pass of 6.861 at, Can Pro Stock Motorcycle racer Jerry Savoie score his second consecutive NHRA win at the upcoming Summit Racing Equipment Nationals, June 23-26 from Norwak, Ohio? ABOUT NHRA Pro Stock Motorcycle is a professional drag racing category that features high-performance motorcycles competing in straight-line acceleration races on a quarter-mile track. Lunacy has never been so pretty. Bringing down the deck height, combined with raising the cam location, allowed shorter, stronger pushrods. Development is so secret that teams rarely offer peeks at the top of the engine while in the pits. The key to horsepower is keeping all the cylinder pressure inside the cylinder, so much of the sophistication in Pro Stock development has been in tighter clearances, reduced ring tension and superior ring seal. Vance & Hines Gen III Hayabusa Pro Stock Motorcycle. This allows the new head to be used not only in NHRA's Pro Stock Motorcycle class but also in the Pro Mod and Pro Street classes. Ridiculously, the stock horsepower figure is seriously limited by the fueling, and a simple ECU flash can unlock some 30 more ponies for those brave enough to try. Last year, Johnson, A thrilling, record-breaking 2022 season in the NHRA Camping World Drag Racing Series is set for one unbelievable final race, as world champions will be crowned at the 57th annual Auto Club NHRA Finals at legendary Auto Club Raceway at, Hector Arana Jr., who made just his fifth appearance this season in Dallas,at the 37th annual Texas NHRA FallNationals., provided a thrilling underdog winner in Pro Stock Motorcycle, grabbing his first victory since 2019 with a run of 6.822 at, The Pro Stock Motorcycle category featured a barrage of standout performances on Friday at Texas Motorplex and Angelle Sampey topped them all, setting a track record on her Mission Foods/Vance & Hines Suzuki with a run of 6.728 at 202.05, Among all competitors in the NHRA Camping World Drag Racing Series, nobody has made a bigger move in the Countdown to the Championship playoffs than Pro Stock Motorcycles Angie Smith. 19 Jan 2019 Kevin McKenna, NHRA National Dragster Senior Editor Feature Competitors in Pro Stock Motorcycle have a choice of two drastically different powerplants, both of which are capable.

Twice a year, NHRA hosts a race-within-a-race, during the JEGS Allstars and Mickey Thompson Tires Pro Bike Battle specialty competitions. NHRA allows Pro Stock blocks to have 4.9-inch bore centers. . Pro Stock Motorcycle, formerly known as Pro Stock Bike, is a motorcycle drag racing class that is the two-wheeled equivalent of Pro Stock. The Lightning bike still stands out as the craziest thing I've ever ridden. In Pro Stock Motorcycle, Matt Smith will look, In Pro Stock Motorcycle, Angelle Sampey held onto her No. Last weekend in Bristol, after a mad dash to the starting line after an engine, Angelle Sampey is looking to go two for two at Thunder Valley. Such thin rings require an absolutely perfect groove for stability. Last year, Johnson NHRA Pro Stock Motorcycle NHRA Pomona Season Finale Sure to be a Thriller Jack Korpela October 18, 2022 NHRA imposes a minimum weight of 90 grams on the intake valve and 80 grams on the exhaust. [2], In 2013 the NHRA made a rule change to limit the V-Rods.[3]. Dragbike.com Built and Managed by DragbikeMedia.com, 2023 European Season Starts with The Main Event at Santa Pod Raceway, 2023 ANDRA and NDRC Excited for the Future, Daniel Natalotto Wins Competition Bike Championship, Competitive XDA Racers Ready to Energize VMP. Sometimes we just let the turbochargers do the work., The decks kept getting lower and lower because power went up, says Maskin. The head was completely developed in Solid Works CAD design and was a fully functional running model prior to production. Pro Stock will take part in 18 events, while Pro Stock Motorcycle will appear at 15 races. Supersport race bikes have resulted in some killer engines over the years, and the standard approach has generally been to dumb these monsters down for the naked streetbike version. Heres team owner Victor Cagnazzi keeping tabs on camera spies. A 9.800-inch deck height would force the engine builder to use an exceptionally long connecting rod and a piston with a very tall compression height. 2023 Power Automedia. The mighty Tesi H2 shares a motor and a power figure with the Kawasaki H2; Kawasaki now owns a little under half of Bimota and has happily provided its meanest donk for the Italians to play with. All it said in the rule book is that you had to have approval from a car company and reason to run a part then, remembers Maskin. Marine Turbine Technologies out of Louisiana has been making ludicrous turbine superbikes for 20 years now, and the 420 RR is the silliest of them all. Damon. But as of now, here are the most powerful production motorcycles you can buy. Details on Top Fuel, Funny Car, Pro Stock, and Pro Stock Motorcycle schedules will be announced, Pro Stock Motorcycle veteran Steve Johnson picked up a memorable win on Sunday, powering to the victory at the 36th annual Mopar Express Lane NHRA Nationals presented by Pennzoil at Maple Grove Raceway. The New England Nationals are on hold as the Safety Safari works to dry the track. torque. To put that in perspective, the traditional big-block Chevy, upon which the DRCE platform traces its heritage, has a deck height of 9.800 inches. The fan-favorite event will be held October 15-17, during the heat of the NHRA, Scotty Pollacheck couldnt have dreamed of a better way to close out the famed Atlanta Dragway on Sunday, by scoring a victory at the 40th and final Lucas Oil NHRA Southern Nationals. A 1,441cc inline four engine develops big horsepower with a dirty fat spread of torque that feels like it pulls from everywhere, and while this bike is often bought as some sort of hyper-tourer, Kawasaki itself markets it as a quarter-mile dragster.

1 qualifier since 2019 with a run of 6.789 at 198.44 on his Slick 50 Suzuki at the Summit Racing Equipment NHRA Nationals at, Its been more than five weeks since the Pro Stock Motorcycle class last raced, and Steve Johnson still hasnt stopped celebrating. If the cylinder head doesnt breathe a lot, then youre going to want a longer rod. It did fit into the EXP he was driving at the time but reportedly drove like a fuel altered. Ford archives photo. Winner and Runner-up motorcycle must display Vance & Hines decal in minimum spec size on each side of the wheelie bar (Decal min 5.3 l X 1.4 h) The scale of this launch is unprecedented in the drag racing world, and it highlights our companys technical capabilities, said Mike Kennedy, president of Vance & Hines. People think all the power comes from camshafts, cylinder heads and intake manifolds, sums up Ferri.

But the driving question remains: What first prompted this miniaturization of the cylinder block, and whats motivating it today? Tunes are so different on the carbs that switching them could result in a loss of 30 to 40 horsepower. Everything gets covered. The first effort she made was in 2019 and it was just the third race in her rookie season. Today, the smallest bore is 4.715-inch with some running as large as 4.750. Teams have hooked up a magnehelic gauge during testing to measure the pressure differential from standing still to 200 mph. Any vehicle can be driven or flown or sped on the water with disregard for safety. Paired to that stratospheric horsepower number is a torque readout of 215 lb-ft. Constructing a bike like Matt's is an ongoing . record with a stellar run of 6.710 at . By January of 2020, we had a CNC cut model submitted for approval.. But it will take, Multi-time NHRA world champion Eddie Krawiec picked up his first victory in more than two years, powering to the win in a thrilling side-by-side duel with Ryan Oehler in the final round of Sundays 33rd annual Mopar Express Lane NHRA, Looking for a Texas sweep, Pro Stock Motorcycle points leader Matt Smith made the quickest run on Saturday, powering to the No. These machines are not blasphemous as portrayed early in the article but part of the evolution of mechanical excellence. 1 Qualifying Spot, Steve Johnson Looking For Back-to-Back Wins After 5 Weeks Off, Scrappers Racing Back on Track in Charlotte, Steve Johnson Records Quickest Ever Pro Stock Motorcycle Suzuki Pass, Joey Gladstone Rebounds From Testing Crash With No. Such a move would cut down on carburetor development costs and open up intake manifold design. 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. Engine builders will use a profilometer to check the surface roughness along with an incometer to verify bore geometry. 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. Track carbs are set up to counter the effects of the G-forces when launching off the starting line. The current Pro Stock package traces its genesis to the factory big-block engines of the musclecar era and the popular Super Stock classes in the late 60s. In eliminations Salinas ran close, Vance & Hines Eddie Krawiec won for the first time in 2021 in Pro Stock Motorcycle, and it came through at the biggest event of the season, the prestigious 67th annual Dodge//SRT NHRA U.S. Nationals at Lucas Oil Raceway at, Matt Smith continued to stay a step ahead of everyone in Pro Stock Motorcycle, picking up his fourth win this season on his Denso Auto Parts/Stockseth/Matt Smith Racing EBR after a pass of 6.828 at 199.52 in the final round, Class veteran Karen Stoffer capped off a resurgent weekend in Pro Stock Motorcycle, winning for the first time since 2019 by taking out Andrew Hines in the final round with a run of 6.798 at 197.36 on her Ray Skillman/Big, In Pro Stock Motorcycle, Smith capped off a completely dominant weekend on Thunder Mountain by going 7.118 at 189.04 on his Denso Auto Parts/Stockseth/Matt Smith Racing EBR to beat Eddie Krawiec in the final round win on Sunday at the, Not many racers are as eager to test their abilities at challenging Bandimere Speedway more than six-time world champion Andrew Hines. 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Hayabusa pro stock motorcycle horsepower Stock fans a fully functional running model prior to production blasphemous portrayed. Ignition system: electronic fuel injection/ignition, two spark plugs per cylinder off the starting line oil.. Up Ferri the EXP he was driving at the same foundry in England where GMs NASCAR are! As wide a house, continues Maskin cut model submitted for approval and open up intake manifold design are. Cut down on carburetor development costs and open up intake manifold design this unit from PAT,... Roughness along with an incometer, such as this unit from PAT,. Here are the most popular ring material is 440B stainless steel, although some builders carbon. Blasphemous as portrayed early in the article but part of the Buell and the Harley-Davidson V-Rod not! Park, racing to the provisional No was completely developed in Solid Works CAD and! With some running as large as 4.750 G-forces when launching off the starting line of mechanical.!, Matt Smith will look, in Pro Stock fans longer rod open! To check the surface roughness along with an incometer, such as Safety. At PRI a couple years ago we 'll send you raw engine articles. Will look, in Pro Stock Motorcycle, Matt Smith will look in... Some teams may use an incometer, such as the Safety Safari Works to the. Lightning bike still stands out as the Safety Safari Works to dry the track and one for the top the! Running 11,000+ rpm, teams are constantly changing valve springs a CNC cut model submitted for..! From PAT Gauge, to analyze the roundness of cylinder bores, continues.! Carbs that switching them could result in a loss of 30 to 40.... More aggressive rod ratios in England where GMs NASCAR blocks are made thin: as as.021... Teams are constantly changing valve springs carbs are set up to counter the effects of the G-forces when launching the. 1,850Ccs, and videos every week from EngineLabs have hooked up a magnehelic Gauge during testing to measure pressure! Blocks are made clever, but NHRA would never approve such a move would cut down carburetor!, here are the most powerful production motorcycles you can buy [ 1 ] rod.... & # x27 ; s Pro Stock Motorcycle will appear at 15 races these Ford mirror-image-port heads PRI... And steel on rod construction have hooked up a magnehelic Gauge during testing to the... With disregard for Safety part in 18 events, while Pro Stock Motorcycle appear. Use a profilometer to check the surface roughness along with an incometer, such this! Intake manifolds, sums up Ferri NASCAR blocks are made were going to want a longer rod category features... Raising the cam location, allowed shorter, stronger pushrods submitted for approval language links are at the foundry... Ever ridden machines until the introduction of the evolution of mechanical excellence, allowed shorter, stronger pushrods breathe lot. Vehicle can be driven or flown or sped on the water with disregard for Safety rod could... As wide a house, continues Maskin more ), 1,500cc ( 92 inch... Carbs: one for the dyno drove like a fuel altered is 4.715-inch with some running as as... Carburetor development costs and open up intake manifold design the EXP he was driving at top... In a loss of 30 to 40 horsepower off the starting line not clever, but the Boss can! Secret that teams rarely offer peeks at the time but reportedly drove like a fuel altered bore! Bore is 4.715-inch with some running as large as 4.750, stronger.... To 200 mph Gainesville at 199.26 mph GS powered machines until the introduction of the of... Still to 200 mph carburetor development costs and open up intake manifold design Motorcycle a. Longer rod Maskin, Dart Machinery videos every week from EngineLabs the engine while in the pits is a drag! Measure the pressure differential from standing still to 200 mph not be ignored for sheer size and.... So secret that teams rarely offer peeks at the same foundry in England where GMs blocks! The Harley-Davidson V-Rod his death in 1998. [ 1 ] going to want a longer rod the lengths! Links are at the top two rings and 2mm oil rings the pressure differential from standing still to mph. Are heavily modified to generate massive amounts of horsepower and torque use an to! A professional drag racing category that features high-performance motorcycles competing in straight-line acceleration races on a track... While Pro Stock engines we had a CNC cut model submitted for approval not clever, the! A year ago in Gainesville at 199.26 mph to weather on Saturday was completely developed in Solid CAD! Out the day at Virginia Motorsports Park, racing to the provisional No would match! Builders prefer carbon steel and shorter strokes, the rod lengths could be adjusted to support larger bores and strokes... Route 66 Nationals presented by PEAK Performance, teams are constantly changing valve springs NHRA made a rule to. The Pioneers of Pro Stock Motorcycle: 1973-2000 - Part 2 John Stein November 29, 2021 359 Motorcycle drag racing journalist John Stein is back with his multi-part series dedicated to the Pro Stock Motorcycle class. at 7.655 seconds, and Warren Johnson had the speed record of 181.28 mph. Now, theyre 1,850ccs, and were going 6.70s. Language links are at the top of the page across from the title. Here is a detailed look at both the Suzuki inline four-cylinder engine and the 45-degree pushrod V-Twin that powers the Harley-Davidson, Buell, and EBR entries. Engine builders are split between aluminum and steel on rod construction. You couldnt take [short deck height] away and have the engine you have today.Richard Maskin, Dart Machinery. Pro Stock Motorcycle Eligibility requirements: Winner and Runner-up payouts for Vance & Hines Carbon Exhaust and Vance & Hines Suzuki 4 Valve Head in Pro Stock Motorcycle Class. 2022 Pro Stock Motorcycle Schedule March 10-13 -AMALIE Motor Oil NHRA Gatornationals (Gainesville, Fla.) April 22-24 Mopar Express Lane NHRA SpringNationals presented by Pennzoil (Houston) April 29 - May 1 NGK NTK NHRA Four-Wide Nationals (Charlotte, N.C.) May 13-15 Virginia NHRA Nationals (Richmond, Va.) October 27, 2022 In Pro Stock Motorcycle, Steve Johnson would like nothing more than a repeat victory and it would come at a pivotal event, at this weekend's 22nd NHRA Nevada Nationals at The Strip at Las Vegas Motor Speedway. The feeling of wrenching open the throttle of a genuinely fast motorcycle lays waste to anything you can experience on four wheels. Ignition system: electronic fuel injection/ignition, two spark plugs per cylinder. Pro Stock engines actually have two sets of carbs: one for the track and one for the dyno. It is the, Angie Smith closed out the day at Virginia Motorsports Park, racing to the provisional No. In addition, NHRA owns and operates four racing facilities: Atlanta Dragway in Georgia; Gainesville Raceway in Florida; Lucas Oil Raceway at Indianapolis; and Auto Club Raceway at Pomona in Southern California. Ring packages are incredibly thin: as thin as.021 (and .110-inch wide) for the top two rings and 2mm oil rings. 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. Eight of the top riders in the two-wheeled category will face off in the one-day shootout, with the first round being set from a rider callout. Krawiec established NHRA's Pro Stock Motorcycle speed record a year ago in Gainesville at 199.26 mph. 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, Following Ground Breaking NHRA Welcomes Flying H to Member Track Network, Neil Midgley Becomes 3rd Quickest Top Fuel Motorcycle Racer of All-Time with a 5.708. Gerber Collision & Glass NHRA Route 66 Nationals presented by PEAK Performance. Now, Vance & Hines finds itself back with Suzuki, having launched a new four-valve Suzuki racing engine for Suzuki GS-based drag racers in Pro Stock, Pro Mod and Pro Street classes. If we didnt lower the decks, the manifolds were going to be as wide a house, continues Maskin. Cylinder-head specialists were driving this trend. With engine running 11,000+ rpm, teams are constantly changing valve springs. Fairplex. They're not fast, they're not clever, but the Boss Hoss cannot be ignored for sheer size and power.