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Practical questions related to engine power – or the loss thereof. Questions about electrical power and electrically-powered accessories should use the [electrical] tag.

3 votes

How can a model with a smaller engine produce more power?

Turbo/ Supercharging, higher tuning, there are a lot of possibilities to make more power out of an engine. … what are the advantages & disadvantages of less cc more power vehicles Advantages of the "smaller" engine: Possibly less weight. …
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-1 votes

RPM AND TORQUE IN INTERNAL COMBSUTION ENGINES

Power (HP) = Torque (lb-ft) x RPM ÷ 5252 So for example if your torque at say 3000 rpm is 200 lb-ft, you have about 114 HP. If your torque at 4000 rpm drops to 140 lb-ft you only get 91 HP. … Your street car is optimized for lower end torque to get good driveability in typical stop-and-go scenarios, while a race car usually only has to start once and is often optimized for higher end power. …
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