Quote:
Originally Posted by Mattman2010
I think I figured out my own question, It seems as if the NP208 has a 32 spline input so that means the 4 speed has a 32 spline output.
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According to
High-Impact Transmission & Gear. The GM right hand drop NP208 has 2 input spline possibilities.
27 Spline female input shaft mated to a TH350 or TH700R4 auto.
32 Spline female input shaft mated to a TH400 auto or SM465 stick.
According to
Novak Conversions. The SM465 has at least 2 output spline counts depending on the year and transfer case mated to it.
1968-1978 10 Spline male output mated to the NP205.
1979-1991 32 Spline male output mated to the NP208