Ok after all the searching and crawling under the car taking pictures, i finally figured out the weird looking tranny is actually a miata tranny. Is about time for me to get a new clutch and a light weight flywheel as well. But i am wondering which clutch do i use to fit this setup?

 

A miata trans will not fit the FC. It mounts completely different if you're talking NB miata NA's I don't know about and have never heard anything. You have to take the gears out, mill the input shaft and put them in the FC case.
Do you have pics of what you have?