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www.highpowermedia.com Race Engine Technology 52 Issue 89: September/October 2015 Issue 90: November 2015 THE COMMUNICATIONS HUB OF THE RACING POWERTRAIN WORLD SATORUTERADA: PushingSuzuki forwards inMotoGP SEPTEMBER/OCTOBER 2015 USA$25,UK £12.50,EUROPE e 18 www.highpowermedia.com FORMULA ONE INSIGHT Force India and the Mercedes power unit STATE-OF-THE-ART RETURN Focus on valve springs NHRA PRO STOCK WINNER Inside Enders-Stevens’ 500 cu in V8 THE COMMUNICATIONS HUB OF THE RACING POWERTRAIN WORLD NOVEMBER 2015 USA$25,UK £12.50,EUROPE e 18 www.highpowermedia.com EXCLUSIVE TEST RESULTS Top Fuel bhp revealed Dossier: Elite Pro Stock V8 A detailed insight into how one leading Pro Stock engine builder exploits the development freedom in this race series Focus: Steel New, ultra-high performance steels show huge promise for a range of motorsport applications, as Dan Fleetcroft explains Insight: Mercedes PU106B Hybrid and Force India Ian Bamsey talks to Mercedes about its Formula One power unit, and to customer Force India about using it Insight: Combustion Sensing and Analysis What types of sensor are there for measuring combustion pressures, and how best to use them? Motorcycle: Honda and MotoGP Honda’s problems with its 2015 MotoGP bikes, and how it went some way to solving them Race Engine Digest: Red Victor 3 Pro Mod V8 Stewart Mitchell explains how this drag racer obtains its power, and how it aims to become the world’s fastest street-legal car Focus: Valve Springs Matt Grant examines the issues behind the design and manu- facture of valve springs, and how to extend their working lives Dossier: Automotive Specialists NASCAR Cup Chevrolet V8 Ian Bamsey investigates a state-of the art Cup engine developed by one of the last independent engine builders still supplying NASCAR teams Motorcycle: MotoGP Crankshafts Neil Spalding considers the effects of a reverse-rotating crankshaft on a MotoGP bike’s performance Race Engine Digest: TMG GT86 CS-R3 Rally Engine Toyota Motorsport has developed a naturally aspirated R3 engine aimed at a range of rally series. Jon Scoltock reports Insight: Crankshaft Torsional Vibration Matt Grant shows how to predict crankshaft torsional behaviour and combat the effects of torsional vibrations Alternative Power: DUT15 Formula Student Stewart Mitchell reports on the development of the powertrain that’s taken one university team to two straight Formula Student wins Focus: Dynos So-called active dynos are transforming race engine development. Lawrence Butcher explains how they work and the benefits they offer