904 ID question

Here is a picture of the input shaft. How do I tell by looking at it?
I never knew that the dakota 6 cylinder and the small block shared the same bolt pattern.
What kind of torque converter do I need for this tranny?View attachment 1715451375
The 1988 Dakota 6 cyl was basically a 318 with 2 cylinders hacked off. Thus the reason it bolts up to a SB. The older slant 6 was different