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Erica Enders-Stevens and the Elite Motorsports team currently holds both ends of the Pro Stock record. These GibTec Pro Stock pistons are three years old but offer a glimpse at the design factors needed for durability and low friction. As the cams got higher and the decks got lower, pretty soon the lifters would be out of the block, says Allen. 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. Angelle Sampey Looks to Go Back-to-Back In Bristol, NHRA Pro Stock Motorcycle Anticipating Return to Norwalk, Angie Smith Takes Top Spot With 200 MPH Run, Steve Johnson Wins Final NHRA National in Houston, Excitement Builds for NHRA 4-Wides in Charlotte, Angie Smith Reacts to Runner-Up Performance at Gators, Joey Gladstone Explains His Desire Not to Cancel Qualifying Session, Karen Stoffer Reacts to New 6.66 Pro Stock Motorcycle Record, Pro Stock Motorcycle Season to Begin at Gatornationals, Matt Smith Wins 5th NHRA Championship at Wild Season Finale, Karen Stoffer Flips The Script For Championship Sunday, Steve Johnson Eager for the Biggest Weekend of His Career, Steve Johnson Wins Vegas to Control his Championship Destiny, Pro Stock Motorcycle Point Battle Rolls Into Las Vegas, Matt Smith Hoping to Follow in Fathers Footsteps at Thunder Valley, Salinas and Underdahl Pro Stock Motorcycle Team to Sit Out Remaining 2021 Events, Matt Smith Takes Points Lead Heading Into Final Races, Steve Johnson Wins Maple Grove, Takes Point Lead, Jianna and Jasmine Salinas Put in Solid Indy Effort, How Eddie Krawiec Got His First PSM Win of 2021, Matt Smith Wins Pomona Winternationals in July, Andrew Hines Searching for 6th Denver Win, Pro Stock Motorcycle Racers to Begin Western Swing in Bandimere, Steve Johnson Takes Monster 4 Valve to No. The head was completely developed in Solid Works CAD design and was a fully functional running model prior to production. Straight outta Canada, the Damon's 200-horse, 200-Nm (147.5 lb-ft) electric powertrain will make this thing frighteningly quick, even if it is geared for 200 mph (322 km/h) out of the box. Pro Stock engines actually have two sets of carbs: one for the track and one for the dyno. 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. Learn more about Pro Stock Motorcycle at www.nhra.com. Camping World Holdings, Inc., headquartered in Lincolnshire, IL, (together with its subsidiaries) is Americas largest retailer of RVs and related products and services. While the sophisticated and highly secretive engine development in NHRA Pro Stock was clearly an evolutionary process over the past couple decadesengine builders scheming and clawing for three or four horsepower at a timeits fair to say that Ground Zero for many of the gains can be traced to a single modification that really has no immediate impact on building horsepower. Pro Stock engine builders avoid long skirts and a tall compression height, so much of piston design is focused on the support structure around the pin bosses. Compression rings are usually treated to titanium nitride coating. 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. History in the making at Four-Wide Nationals, Josh Hart looks to finish the job and pick up first four-wide win in Charlotte, 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. 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. The Gu. For more information, log on to NHRA.com, or visit the official NHRA pages on Facebook, YouTube and Twitter. 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. With over 185 locations in 40 states, Camping World, and sister company Gander RV, have grown to become prime destinations for everything RV. Stretch, What I Learned Today With Jeff Smith Homemade Strap Wrench, Build It Yourself Builds Worlds First 8,000 RPM 4-Valve Triton V10, Everything You Need To Know About The 2024 L5P Duramax Engine. We strive to build long-term value for our customers, employees, and shareholders by combining a unique and comprehensive assortment of RV products and services with a national network of RV dealerships, service centers and customer support centers along with the industrys most extensive online presence and a highly trained and knowledgeable team of associates serving our customers, the RV lifestyle, and the communities in which we operate. 2 spots at the DENSO Spark Plugs NHRA Four-Wide Nationals at The Strip at Las Vegas Motor Speedway. 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. 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. All four professional categories (Top Fuel, Funny Car, Pro Stock and Pro Stock Motorcycle) will also race in all six events in the Countdown to the Championship playoffs. The rod-to-stroke ratio is also based on how much cylinder head you have, cautions Ferri. It felt like a rocket that just kept accelerating. By January of 2020, we had a CNC cut model submitted for approval.. Twice a year, NHRA hosts a race-within-a-race, during the JEGS Allstars and Mickey Thompson Tires Pro Bike Battle specialty competitions. We'll send you raw engine tech articles, news, features, and videos every week from EngineLabs. Can Jerry Savoie Make it Two in A Row in Norwalk? Bob Carpenter 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. Over the course of their partnership, the two companies revolutionized the once four-cylinder-dominated Pro Stock Motorcycle class, winning 10 championship titles. NHRAs streaming service, NHRA.tv, allows fans to view all NHRA national events as well as exclusive features of the sport. Ring packages are incredibly thin: as thin as.021 (and .110-inch wide) for the top two rings and 2mm oil rings. One of the most successful Pro Stock Motorcycle drivers in NHRA history was six-time champion Dave Schultz, who died in 2001. The NHRA Pro Stock All-Star Callout will take place on Saturday, May 20 as part of the Route 66 NHRA Nationals presented by PEAK Performance at Route 66 Raceway in Chicago, pitting eight top drivers against each other in a unique callout format for the one-day specialty race. Its similar to our NASCAR block, explains Allen. Mopar has the Hemi 99 (PN P4876887) and the Hemi 06 (PN P5153454) blocks that are eligible. This should be a game-changer, Hines said. Like other professional categories in NHRA drag racing, Pro Stock Motorcycle races take place at various tracks throughout the United States. The class returns this weekend for the Summit Racing Equipment NHRA Nationals at Summit Racing Equipment Motorsports Park and, The NHRA Camping World Drag Racing Series will bring winter to Pomona this summer, and fans are invited to celebrate the summer-themed Lucas Oil NHRA Winternationals presented by ProtectTheHarvest.com as it returns to sunny Southern California, July 30 Aug., NHRA and FOX Sports announced today the remainder of the 2021 NHRA Camping World Drag Racing Series television schedule. Putting it all in perspective, at the end of 1982 when NHRA first mandated the 500ci engines, the late Lee Sheperd had the quickest E.T. The DRCE4 has provisions for nine cam bearings and support cam cores up to 80mm. We have a lot going on at our shop, some of which will be announced shortly, but we have a lot of customer orders to fill with four-valve stuff, and thats our priority..

Click here, if you have not checked out Part 1 yet. 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. From 2004 to 2012 the Vance and Hines V-Rod was arguably the most dominant motorcycle in the class. Aside from the 2012-13 championship runs from the highly talented Hemi drivers of Allen Johnson and Jeg Coughlin Jr., the DRCE engine has dominated the Pro Stock ranks since Gliddens glory days. My heart is still racing! saidSmith,afterburning, In Pro Stock Motorcycle on Sunday at the 35th annual AAA Texas NHRA FallNationals, Texas Motorplex continued to be very good to Jerry Savoie, as he picked up his second straight win at the track by going 6.910 at 191.16, Our site uses cookies. 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. Many racers have suggested NHRA allow pneumatic valve springs, similar to those in Formula 1, to help reduce costs. Damon. A wild and beautiful machine. It is the, Angie Smith closed out the day at Virginia Motorsports Park, racing to the provisional No. But as technology increased to support larger bores and shorter strokes, the rod lengths could be adjusted to support more aggressive rod ratios. 1 Spot, NHRA Pomona Winter Nationals Scheduled for July, Seattle Canceled, Jianna Salinas and Jimmy Underdahl Looking for Charlotte Wins, Scotty Pollacheck Searching for Back-to-Back Wins, Andrew Hines Aiming to Defend Charlotte Title on New Motorcycle, Scotty Pollacheck Wins Final Atlanta Dragway Pro Stock Motorcycle Race, Scotty Pollacheck Takes Top Spot in Final Atlanta Dragway Qualifier, Andrew Hines Aiming For Comeback Win in Atlanta, Pro Stock Motorcycle Racers Prepare to Compete in Atlanta for Final Time, Andrew Hines and Eddie Krawiec to Return to Pro Stock Motorcycle on V-Twins, Flyin Ryan Oehler Takes NHRA Point Lead With Vegas Win, Matt and Angie Smith Go 1-2 in Vegas Qualifying, Matt Smith Takes Top Spot in Vegas in Opening Session, Angie Smith Looking to Win Second Consecutive Vegas Race, Matt Smith Takes PSM Point Lead Into Sin City, Krawiec and Hines on Vance & Hines 4-Valve Success, NHRA Pomona Postponed, Racing Resumes in Las Vegas, Rocky Start at Gators For Scrappers Racing, Angelle Sampey Clocks First PSM Suzuki 200 MPH Run, Matt Smith Poised to Begin NHRA Pro Stock Motorcycle Title Defense, Pro Stock Motorcycle Season To Kick Off at Gatornationals, Kelly Clontz Renews Sponsorship Steamfitters UA Local #602, Harley-Davidson Pulls Out Of Vance & Hines NHRA Pro Stock Program, Matt Smith Reflects on Capturing 4th NHRA Pro Stock Motorcycle Championship, Matt Smith Wins NHRA Title! The detail work is needed to get the rings to seal, says Ferri. That puts the crankshaft stroke as low as 3.520-inch.

But as the intake ports started getting higher, the cylinder heads had to grow taller, as well as the manifolds. Sampey finished off a fantastic day in Pro Stock Motorcycle with her second victory in the Countdown to the Championship.

NHRA pioneer Paula Murphy honored by Women in Motorsports North America, Indy test session yields valuable answers to power-plagued Scag Top Fuel team, Nitro teams, Pro Mods get ready for NHRA New England Nationals in Epping, Maddi Gordon takes first steps to earn Top Alcohol Funny Car license, Unofficial Camping World points standings, JCM Racing, Max Out Motorsports announce formation of Maynard Ashley Racing, Four riders set for Pro Stock Motorcycles first Mission #2Fast2Tasty NHRA Challenge, Firefighting Funny Car driver Chris King challenges pros at Quinn Fire Academy, Team Kalitta runs rare in-season, all-team test to right the ship, New National Dragster features four-wide coverage, Nataas and Warr features, Schumacher plans special tribute for former NHRA driver at Route 66 Nationals, Never satisfied, Funny Car points leader Matt Hagan tests in Indianapolis, From spectator to Top Fuel driver, Jake Opatrny excited for Chicago 'home game', Eight standouts geared up for NHRA Pro Stock All-Star Callout at Route 66 Raceway, Mountain Motor Pro Stock class set to make 2023 season debut in Chicago, Don Garlits, screenwriter: 'Big Daddy' working on autobiographical film project, Electrolit joins Jim Dunn Racing beginning at NHRA Route 66 Nationals event, Autodesk takes spotlight with Langdon primary partnership at Route 66 Raceway, Alex Taylor discusses upcoming "Drag and Drive" event at Route 66 Nationals, Camrie Caruso makes switch to Tequila Comisario beginning in Chicago, Renegade Fuels will take center stage with Top Fuel's Buddy Hull in Chicago, Cleetus and Cars, NHRA alcohol racers rock Lucas Oil Indianapolis Raceway Park, TJ Zizzo brings new car, same attitude for long-awaited Joliet return, An inside look at the new four-valve Suzuki Pro Stock Motorcycle engine combination.