Here is what the book shows for gear ratio's
For GM Built H0333 Axle
A)
3764960......3.36 Ratio
3749020......3.70 Ratio
3747808......3.90 Ratio
Chev Tr 55-5u 1/2 T Conv
Chev Tr 58-59 1/2 T Conv Non-Locking Axle
Chev Tr 60-62 10 Series (1/2T Conv)
GMC 55-56 (Y,X) 1/2 T Conv
B)
3747809......4.11 Ratio
Chev Tr 55-57 1/2 T Conv
Chev Tr 60-62 10 Ser (1/2 T Conv)
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For Spicer 45 Axle
2354371.....3.92 Ratio
Chev 58-59 1/2 T Conv Locking Axle
GMC 56-59 (X,T,S) 1/2 T Conv
