Aluminum case 833 identification

AJ/FormS said

Probably out of a pick-up truck.
If a 1x23 spline input, then a Dodge.
If a 10 spline, then a Chevy.
The guts are very similar, but not the same.

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I did not realize they put them in chevy pickups or dodge pickups in the 80s. I would think the shifter is too short for a pickup. I will have to measure and look at the splines on the input.