Quote:
Originally Posted by Keith Seymore
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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Edit - should have said "rear axle ratio" (which translates into driveline rpm).
K