1,200 HP Driveshaft, 150 MPH Critical Speed? Why Horsepower Rating Isn’t the Whole Story
A driveshaft can be strong enough for four-digit horsepower and still have a separate speed limit. Using Driveshaft Shop’s 2009-2015 CTS-V aluminum and carbon-fiber shafts as a real-world example, SMG explains driveshaft critical speed, why shaft rpm differs from engine rpm, and what to check before choosing a performance driveshaft.
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