It doesn't seem to have enough numbers or correct numerical sequence to be from a Muncie 4 speed, unless it is older than the info I am finding from '67 up.
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Mitch
1970 Chevelle SS
1966 Chevelle SS
1967 Camaro ss/rs
1938 Business coupe, street rod
2000 FXSTS, original owner, 13k miles
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