NV 4500 or NV 5600? Both are modern 5/6 speed manuals. Both should easily hold up to any motor of that era; they are used behind the cummins. Easy to adapt to 350-style bellhousing pattern. NV4500 rated at 19500# GVW, with .73 OD. NV 5600 rated at 26000# GVW, .73 OD. Just a thought.

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1961 Apache 20 4x4
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