2012 Amsoil Engine Masters Challenge: Top two engines equipped with Diamonds

Written by Moore Good Ink “That’s how close it was,” said Kaase. “Two horsepower or two foot-pounds of torque could have overturned the result.” Though the 2012 Engine Masters Challenge (EMC), held annually on the campus of the University of Northwestern Ohio, consisted of two divisions, the Street and the Xtreme Street, the imperative lay with the latter as the competition reached its climax. “Invariably, this is a hard-fought contest,” comments Johnny Hunkins, editor of Popular Hot Rodding magazine, the EMC organizer and founder. Indeed, thirty-three of the country’s finest engine builders have been preparing for the rigors of this annual event for the past year. Most of them will freely admit it is nerve-wracking, especially in these final stages. Assuredly, this is not work for beginners. It calls for vivid imagination, tempered by engineering acumen, and painstaking attention to detail. Work that has taken a year to complete will be decided on three 11-second dyno pulls. The points system is awarded by adding the average horsepower and torque recorded between 4,000 and 8,000rpm and dividing the total number by the engine’s cubic inch displacement. Now in its 10th year, Hunkins added, “EMC attendees, always supremely knowledgeable, watch the screens intensely as the dyno sweep needles are projected on the wall, along with a video feed from the dyno cell. They hear the engines strain under load and they watch them—they watch everything. Groups huddle around the screens. They whisper. They calculate. They speculate who is going to win. You cannot help being absorbed by the excitement and tension.” In the end, the School of Automotive Machinists (SAM) competing...

October action in Alabama

Written by Moore Good Ink NASCAR maintains Demolition Derby at Talladega Each October tens of thousands of race fans appear in Alabama. The first call to action comes from NASCAR, who runs an autumn 500-mile race at the Talladega superspeedway. Built in 1969 and located on just less than 3,000 acres 40 miles east of Birmingham, Talladega is 2.66 miles in length, NASCAR’s longest track. It was here in 1987 that Dawsonville’s Bill Elliott achieved the fastest qualifying lap ever recorded: 212.809mph in a Ford Thunderbird. Beginning the following year NASCAR imposed restrictor plates, in an attempt to reduce the engine’s air supply and accordingly retard such excessive speeds This month’s event, like many others at the superspeedway, ended in mayhem with almost 30 cars being smashed—more destruction than you’d encounter on a rough Sunday afternoon in Baghdad. http://www.youtube.com/watch?v=NIHfsbrBpFU   Barber’s annual celebration of vintage motorcycles The paddock is packed with gorgeous racing motorcycles and glorious sounds and on the track there is some close racing. This is Barber Motorsports Park, October 12-14, the weekend following Talladega and over 57,000 vintage motorcycling enthusiasts are packed into Barber’s delightful park setting located at Leeds, 17 miles east of Birmingham. The record-breaking crowds, 11 percent greater than in 2011, were here to enjoy the action on the track as well as the exhibits in the museum which now number in excess of 1,350. The latest display is a fabulous cutaway of the Matchless G50 racing engine. In production from 1958 to ‘62, the allure of the G50 Matchless was simple: it was a 500cc, air cooled, single cylinder, four stroke machine...
Reviving the Long-style racing clutch

Reviving the Long-style racing clutch

By Sam Logan New aluminum pressure ring reduces weight, segment inserts avert distortion • Introduces aluminum pressure ring reducing rotating weight by around 3lbs • Replaceable steel inserts prevent distortion • Alternative springs provide base pressures from 360psi to 2,200psi • Optional counter-weighted levers increase clamping for clutchless transmissions • Ideal for racers with under 1,000hp in Stock, Super Stock, & single-clutch classes using Liberty, Jerico, or Lenco transmissions. Also suitable for grassroots & bracket racers & other classes up to 10.5 tires. Columbia SC: Ram Clutches has created a new 11in Long-style pressure plate for race cars generating up to 1,000hp. It incorporates a lightweight billet aluminum pressure ring with 6 individual steel inserts. By using 7075 high-strength aluminum the rotating weight of the assembly is reduced by about 3lbs compared with a traditional all-steel assembly. The steel inserts are carefully spaced apart on the pressure ring to avoid distortion during the heating and cooling cycles. By using these individual segments, a flat surface is maintained and the threat of warping reduced dramatically. Though designed primarily for use with a single sintered iron racing clutch disc, this pressure plate will work with any friction material. However, the sintered disc, which is most commonly associated with dual or triple-disc racing clutches, excels in its ability to induce clutch slippage during takeoff and while accelerating through the gears. It accomplishes a smooth application of power and reduces wear and tear on the transmission and other drive-train components. The sintered disc is easily serviced in the field. Similarly the steel inserts are field serviceable. In fact, they can be replaced if...

Hot Rod Drag Week 2012: The Muscle cars’ toughest test

Written by Moore Good Ink Tulsa OK: In this year’s Hot Rod Drag Week competition, Bryant Goldstone won the Modified Power Adder class in his Ultra Tech Racing Engines 1970 Chevelle. “Attrition was rampant,”  said Ultra Tech Racing Engines’ Norm Beerhorst, “only two cars finished in Goldstone’s class and of the 186 that started, I believe, we lost 31 cars to various failures during the first day! Winning or even finishing well in this event is a huge accomplishment.” Mike Roy, last year’s winner and another Ultra Tech associate, missed first place in the Pro Street Power Adder category by three-thousands of a second! Roy competes in a 1971 Monte Carlo—a formidable twin turbo, 4,100lb street-driven seven-second machine generating over 2000hp. A 1,400-mile trek from strip-to-strip, both Goldstone’s Chevelle and Roy’s Monte Carlo survived the toughest Muscle car test of the year. Both cars are equipped with Diamond pistons and Trend piston pins and pushrods. Norm Beerhorst said afterwards, “You cannot buy a better piston or pushrod or find better customer service than that of Diamond and Trend.”  ...

Speed Demon advances with new Liberty 7-speed innovation

Written by Moore Good Ink Taylor, MI: Sporting a new custom-made Liberty 7-speed transmission, the Poteet & Main Speed Demon continued to capture top Bonneville honors at this year’s Speed Week (422.509mph) and the subsequent FIA meeting (439.024mph) on September 17, 2012. Engine builder Ken Duttweiler said that the original Liberty 5-speed gearbox had all the strength we needed but the new 7-speed provided two additional lower gears. “They enabled the Speed Demon to accelerate away from the push truck much quicker.” They also reduced drive train loadings, as the rpm drop between first and second gears is now minimal. Duttweiler added, “We ran the 300cu in engine at Speed Week and the 368cu in at the FIA event. Both engines, which are Chevrolet-based with twin turbos generating 38psi of boost, are identical except for stroke length.” Earlier in 2012 Liberty’s Gears opened a metal enhancement division at their Taylor, Michigan factory, near Detroit’s Metro airport. Their enhancement procedures, which have been developed over the past 40 years in transmission development, improve the longevity of highly stressed racing components. Processes, including cryogenics, shot peening, and thermal stabilization, are used to increase the performance and the longevity of racing parts. Typically, these include drive train components, valve train components, and gears and the internals of shocks and pumps, etc. The cryogenics process, pictured at left, which lowers the temperature of the parts to 300 degrees Fahrenheit below zero, increases resistance to wear and fractures. Shot peening improves the part’s load capacity and fatigue life. Thermal stabilization improves resistance to surface fractures. NHRA 2011 Pro Stock champion Jason Line comments, “Liberty’s brings...

Johnson’s Mopar dominates European Pro Stock

Written by Moore Good Ink Santa Pod, UK: Each year J&J Racing’s Roy Johnson brings a fresh new presence to drag racing. With an astute engineering perspective and a committed Git ‘er done attitude, Johnson is living his golden era. Not only is his son Allen currently leading the NHRA’s Pro Stock points standing but also his highly-tuned Mopar race engines recently secured victory for Sweden’s Thomas Lindstrom in the FIA’s 2012 Pro Stock Championship.       Coming into the European final round at the UK’s Santa Pod raceway, held September 6-9th Lindstrom led the championship. In the final elimination, Lindstrom was paired against another Swedish driver, Jimmy Alund who won the event. But Lindstrom’s points lead prevailed and he carried the title.     Both Diamond pistons and Trend pushrods and pins are used exclusively in J&J’s Mopar engines.  ...
Page 50 of 52« First...102030...4849505152