That comment was within the context of this discussion, which is using equipment that isn't necessary for a particular application and is only purchased for a "cool factor" or otherwise (something other than a "need" basis).
If you NEED a 4" driveshaft, then you don't have a choice. Same goes for a FF axle. If you DON'T need a 4" shaft, than what's the point? You'll just spend more money on something that is oversized. Bigger isn't always better.
Perhaps I'm too anal about efficiency. I guess that's why I do what I do. Sure, every part should not be sized such that no margin of error exists, but the FOS designed into every part should reasonable enough to allow for unusual loads and situations, but not so much that excess weight and bulk degrades vehicle performance.
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Matt Jones
Mechanical Engineer
Art Morrison Enterprises
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