i read that the 722.3 transmission from the om617's don't have an oil jet for the speedo gear if you're swapping from an electronic one? is this true on these too? that makes me nervous

__________________
83 300CD- sanden, dual p/f condensers, 160a alternator, ect
91 300TD- 722.6, #22 head, 3.5L IP, w140 manifolds, ect