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Back in the day I read a comment from an Audi engineer saying the AWD doesn't hurt fe because a powered wheel has less rolling resistance than an unpowered wheel and that pretty much cancelled out the extra weight and mechanical transmission losses. They made it sound like an fe wash.
That said, I wouldn't build an ultimate fe car with AWD.
For your fuse thing to work I'd think you'd have to disconnect the rear axles too so all that junk isn't spinning.
Last edited by Frank Lee; 10-27-2009 at 05:40 AM..
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