Sounds like you've got a 4 speed that has a high and a low range -- like on a tractor.

Usually, the trucks that had the high and low range had a two speed axle, and a normal 4 speed. I'm curious as to what you've got, too.

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1946 Chevrolet 3600 - "Old Number Seven"

Cavalry's Here. Cavalry's a frightened guy with a rock, but it's here.