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Old 01-22-2010, 04:32 PM   #205 (permalink)
KEVTEX
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The energy required to spin a compressor(turbo or supercharger) only comes from one place. That is from the engine itself. Superchargers take the power directly from the crankshaft.
Turbo's get their power indirectly from the extra work the pistons have to do, to force the exhaust past the turbo impeller.
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