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Old 08 Jan 2009, 12:46 pm
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Default Replacing pistons with lighter ones increase HP?

Car is an 97 Acura Integra LS
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Old 08 Jan 2009, 01:01 pm
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Actually that may cause an imbalance in the engine that may actually cost horsepower and torque. Larger pistons longer stroke may make more power but the real gain in power is improving flow of air into the engine and exhaust out of the motor. Much more power gain are made in the Cly Heads.
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Old 08 Jan 2009, 01:16 pm
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you won't notice any difference. lighter pistons reduce the rotating weight of the bottom end. less rotating weight technically reduces the power needed to rotate at the same speed, thereby freeing up horse
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