If your in a hurry for a gas engine you better plan ahead. This is my expierence in ordering them,
BME 50......Six weks
Brison 4.2..Five weeks
Brison 2.4..Three weeks
Brison 3.2..Three weeks
I have heard that the ZDZ is worth the wait.
I would hang in there ay least another two weeks.
Getting the big props is almost as bad.