I have a 4 speed behind a 283 Chevy. I am going to put in a 350 with an automatic. Question is how can I tell what 4 speed to advertise it as when I go to sell it? I know it is a Muncie but without taking it apart how can I tell if it is a close or wide ratio box?
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Put it in first gear.

Turn the input shaft. If it turns 2 and 1/2 turns to the output shaft's 1 turn.....it is a wide ratio (2.54)

Turn the input shaft. If it turns barely past 2 turns to the output shaft's 1 turn.....it is a close ratio (2.20)

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Deuce roadster - thanks for the info - It was so simple I don't no why I didn't think of it.