well I just toar down the engine this past weekend, and rebuilt it, I replaced the big orange seal that goes in the back, (cant remember what its called) and all the oil and water jackets. how long should I break these few things in?

 

Dude, you didnt even have to hit the search button. There is a thread covering this very topic on the 1st page of this forum!
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/what-your-opnions-break-times-rebuilds-735238/