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Race Engine Technology 55 www.highpowermedia.com Issue 93: March/April 2016 Issue 94: May 2016 THE COMMUNICATIONS HUB OF THE RACING POWERTRAIN WORLD DAVIDMOUNTAIN: Boxingclever forTouringCar racing MARCH/APRIL 2016 UK £12.50,USA$25,EUROPE e 18 www.highpowermedia.com EDL’S LE MANS BMW The challenges of a production strategy GOODBYE MACHINING! Focus on Additive Manufacturing CONSTANTLY VARIABLE VALVE CONTROL The way forward for race engines? THE COMMUNICATIONS HUB OF THE RACING POWERTRAIN WORLD MAY 2016 UK £12.50,USA$25,EUROPE e 18 www.highpowermedia.com ALL IN ONE GEPE’s advanced single RECIPROCATING GAINS Focus on pistons DIESEL USA Gale Banks’ power secrets ANDREASSEIDL: Porsche’sLeManschallenge Dossier: EDL Judd HK LM P2 V8 Ian Bamsey explores the design and development challenges of a production-based Le Mans Prototype engine Alternative Technology: Constantly Variable Valve Timing Lawrence Butcher explains how the Freevalve constantly variable valve timing system works and considers its potential motorsport applications Focus: Additive Manufacturing Developments in the various forms of additive manufacturing continue to be made, writes Dave Cooper, and their applications can only grow Motorcycle: Suter MMX 500 The development of a two-stroke engine that aims to return riders to the heyday of Grand Prix motorcycle racing Focus: Fasteners Without the correct design and materials choices the fasteners in an engine can easily fail, often with catastrophic results Race Engine Digest: Al-Anabi Racing & the KH V6 A turbo V6 developed for drag racing in Qatar provided some intriguing challenges. Stewart Mitchell reports Dossier: GE Precision Engineering Moto3 Engine Ian Bamsey investigates the design of this motorcycle race engine, for an arena of refreshingly few regulatory demands Focus: Pistons Higher compression ratios and engines using direct injection are influencing piston design, as Dave Cooper explains Focus: Heads and Blocks Wayne Ward brings us up to date on new trends in manufac- turing and materials for these essential engine components Insight: Diesel Race Engine Technology Gale Banks tells Lawrence Butcher about how he makes Chevy Duramax engines ready for competition Motorcycle: Yamaha YZF-R6 How Race Developments has exploited the amount of engine development allowed in SuperSport Race Engine Digest: Hyerstay Four-Cylinder Dragster Stewart Mitchell explains how one engine builder transformed a VW Type 1 boxer into a drag racing champion Insight: Formula One Technology 2016 Formula One teams are looking at a range of areas for powertrain improvement in their quest for competitive edge