[Jims5543]

A popular technique among the rotary crowd is to put a squirt of trans fluid into the park plug hole of the rotor housing and rotate the engine without firing it and letting the trans fluid soak throughout the engine internals.

After 24-48 hours of sitting you fire it up and run it like hell burning off the fluid. (lots of smoke) Then change out the plugs and the engine will run like new. This was done to very high milage engines to restore compression and get rid of excess carbon build up. Trans fluid is VERY high in detergents and really cleans things up.

You probably have a very clean engine inside now.