Mini Sarter Help

67Dart273 I have tried a mini starter (not sure of brand) from a 91 full size dodge van v8 and a reman from Napa that there computor said would fit until I dicovered the different number of teeth (should be only 9 not ten). As for fitment someone on another site said that any starter from 63 to 76 will fit which they probably do but they do not engage. These all have 10 teeth on the drive gear. I think dusterglenn has it right that I have to find an original starter to make it work. Thank you Jeds67