Quote:
Originally Posted by Christ
I'd think that balancing the driveshaft to higher RPMs would make decent work of harmonics... but even then, you could always just play with different gear ratio sets to keep the driveshaft RPM down while maintain the same engine/vehicle speed.
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The harmonics are more complex than just balancing the shaft, they result from the engine power pulses, chassis rigidity, axle setup etc... The longer the element the more susceptible to harmonic whip it becomes its why the GM AL drive shafts have a weight ring about 10 inches from the end of the shaft, its to dampen the harmonics. Slower is surely better, especially for a street car!
Long as you can stay in the sweet spot for your engines design.
Dave