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Old 12-08-2011, 01:59 PM   #29 (permalink)
winkosmosis
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Quote:
Originally Posted by Frank Lee View Post
The 4WD stuff does add weight and usually a taller, dirtier aero profile. And even in 2WD mode there's more drivetrain stuff spinning even if it's only in the transfer case- a larger drivetrain loss.
But it's not just the transfer case. The front axles and driveshaft still spin in 2WD, it's just that the tires are turning them instead of the engine.
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