1971 rearend 741 case questions

3:55 are a highly versatile street gear.

Gearsets avail from factory
Part II, Appendix C: OE Ring and Pinion Sets
Tooth Count Ratio Carriers
41-14 2.93 '448', '657', '741', '742', '489'
41-13 3.15 '448', '657', '985',
35-11 3.19 '448', '657'
3.23 '741', '742', '489'
43-13 3.31 '448' (57-61), '741' (62-63)
37-11 3.36 '448', '657'
39-11 3.55 '448', '657', '741', '742', '489'
41-11 3.73 '448', '657', '985', '741'
43-11 3.91 '448', '657'