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http://www.popularmechanics.com/automotive...rs/1802932.htmlArticolul este supermeserias:
WATER INJECTION
THE DYNO SAYS: With the AquaTune adjusted according to the instructions, the test truck gave us 20 fewer horsepower and about a 20 percent poorer fuel economy.
ENGINE IONIZER
THE DYNO SAYS: The truck we tested showed about a 15-hp loss with the Ionizer. About 10 miles into our economy test, the left bank of rubber capacitor blocks started to melt and sag onto the red-hot exhaust manifold. When smoke started to fill the dyno room, we interrupted the test and redressed the wires and capacitor blocks more securely. But when one on the right bank liquefied and dripped onto the manifold, we had flames a good 2 ft. tall, requiring the use of a 20-pound fire extinguisher.
VAPOR INJECTORS
THE DYNO SAYS: Theory predicted that there would be no change in power, because at high throttle settings the lowered intake manifold vacuum would simply not pull much--if any--fuel through the device. As expected, horsepower was not significantly changed; fuel economy was unchanged.
FUEL LINE MAGNETS
THE DYNO SAYS: As we suspected, neither device had any significant effect on performance or economy.
VORTEX GENERATORS
THE DYNO SAYS: Both devices reduced peak horsepower by more than 10 percent. The Intake Twister increased fuel consumption by about 20 percent; the TornadoFuelSaver provided no significant change.