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Old 07-05-2011, 09:29 AM   #8
Keith Seymore
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Re: Does anyone know?

Quote:
Originally Posted by INSIDIOUS '86 View Post
why two piece?
It has to do with keeping the driveline below it's "critical speed" (the point at which the driveshaft starts whipping like a jump rope). Critical speed is determined by driveline length, rear axle rpm and anticipated top speed.

Apparently this particular combination met the requirements for a two piece shaft.

K
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