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Message: <blockquote data-quote="BlackSamurai" data-source="post: 1184607" data-attributes="member: 4799">Malaysia engine previewWith 72% of the lap spent at full throttle, Sepang is now one of the most demanding engine circuits of the year - this is the third highest value encountered all season, and represents a significant change to the V10 era. This is because of the high number of high-speed corners on the circuit. Given that the V8 engines have less power than their predecessors, this means that the drivers will spend more time on the throttle than last year. The operating range of the engine is not particularly demanding at this circuit, as the engine is rarely used at very low revs. However, the high speed sections can pose their own particular problems, particularly through turns 5 and 6. The drivers use partial throttle openings at high revs on this part of the circuit, and if this is not properly managed, it can result in a phenomenon named 'blow-by' which can damage both the pistons and piston-rings, with gas escaping from the combustion chamber. More so than in Bahrain, we will once again have to contend with the acoustic offset caused by the high temperatures. The higher temperatures, and thus lower air density, modify the intake acoustics, and mean that maximum power is produced at higher engine speeds than at lower temperatures. This means the operating range is pushed higher than usual. If we need to use higher engine revs in order to extract maximum performance from the engine, this will require an increase in the already significant cooling capacity at this circuit. As always, the compromise on cooling will be between keeping the oil and water temperatures within their specified limits, and sacrificing a minimum amount of performance in order to achieve this.source: <a href="http://www.f1racing.net/en/news.php?newsID=112098" target="_blank">http://www.f1racing.net/en/news.php?newsID=112098</a></blockquote>

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