Quote:
For purposes of tow vehicle stability (steering gradient index, and braking) keeping yaw to a minimum, the tow vehicle hitch receiver and the trailer coupler are ideally as short as possible. Shorter than what most off-the-shelf stuff measures to (givens are that one must be able to clear a 90-degree turn; in backing one WILL hit the trailer with the tow vehicle otherwise). There is nearly always room to shorten by a few inches.
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You're in a better position to know, but I thought the significant ratio was tow-vehicle rear axle centerline to hitch vs hitch to trailer axle centerline. I'm not picturing how to shorten the hitch/coupler.