Intro and Problem thread. Possibly blown 84 Gsl-se?

[Duke84gsl-se]

Hello everyone, my i am new here simply because of a recent problem with my new rx7. I just bought a 84 gsl-se from a local dealership for cheap. It smoked a little apon startup at first and the throwout bearing made some noise but it was a really clean car and felt like it ran strong. well today (2 days later) i was driving the 7 and when i shifted into second there was a slight pop and my motor lost all power, idled poorly, dies, and sometimes makes a knockish noise. I am new to the rotary motor and dont know much about them i am more into VW rabbits. The car never got hot or anything as i know that is bad for rotary motor health. i figure i possibly blew a apex seal. let me know what you guys think. thanks.