Is there a difference in transmission slip yokes from a 1990 gm C-1500 and a 1992 with a 700r4 trans?

Yes, there can be differences in transmission slip yokes between a 1990 GM C-1500 and a 1992 model equipped with a 700R4 transmission. Variations may arise from changes in design, dimensions, or compatibility with different drive shafts. It's important to verify the specific part numbers and dimensions to ensure proper fitment when replacing or upgrading components. Always consult a repair manual or parts catalog for accurate information.