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Aluminium driveshaft
This is standing under the aluminium driveshaft product on Driveshaft shops website:
"The aluminum shaft has many advantages over the carbon steel shafts that most people are not aware of. The most obvious being the fact that it is 1/3 less weight, but the other thing that makes it attractive is that its resonant frequency properties are much higher. What this means to you is that a steel shaft may amplify a vibration where an aluminum one will dampen a vibration. The other thing is that an aluminum shaft torsionaly twists 19 degrees and a steel shaft only twist 5 degrees. What this means to a hot rod is the shaft will have a more dampened effect taking the shock load out of the drivetrain, making it more fluid feeling. Shafts can be made to handle power from mild to wild."
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