Auto tranny swap problem

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92 mx3/05 mazda3
I recently swap out my p5 auto tranny for a jdm auto tranny..i did remove the flexplate to install a new rear main seal.Now when i try to start the car ,with the jdm tranny,its making a grinding noise..even when the car starts running,you could hear something rubbing..Have anyone experience any problems like this before??do the jdm engine carry a different starter?? Just to be sure,does the spacer goes between the torque converter and the flexplate??Any ideas ?thanks
 
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