the bell housings are different depth, use the bell housing that comes with t9 (xr4ti), the pintos bell housing is slightly deeper by 1/2 inch, you will have to modify the pinto bell housing to work on t9, where the shift rod pokes out in the front will need to be drilled slightly bigger and a quarter inch taken out of the input shaft, or you will get a horendis squeeling from the input bearing, clutches are identical, luk part numbers interchange from 77 pinto to 86 merkur, and they use the same rear tail seals and output shafts, and a certain year volvo left motor mount threds into bottom of tailshaft for a trans mount.