A picture of the shift pattern would be helpful. NP540 came as 5 SPD direct or 5th speed overdrive.
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IMG_20231001_113654644_HDR.jpg (263.19 KB, 79 downloads)


BC
1960 Chevy C10 driver 261 T5 4.10 dana 44 power loc
1949 GMC 250 project in waiting
1960 C60 pasture art
Retired GM dealer tech. 1980 - 2022