ORIGINAL: tp777fo
They will get hot during a static run, that's normal. In flight they get the airflow to cool them down. I really dont thing the gap is a big issue as long as the bypass is securely attached and the turbine exhaust is centered with the tailpipe. A picture would help
Here ya go: The best one I could get. Its not mounted just laying on top of the motor.
Thanks again for all of your help.
Andy