There has been a hugh amount of info posted here on the Pizazz and what numerous people have done with them. Do a search on Pizazz and you should be overwelmed with more than you ever wanted to know.

I've powered mine with a TT54FS, Saito 72 and YS 63. The plane comes in at about 5.5 lbs. Unless you take extraordinary measures to take a lot of weight out I don't think a OS46FX will handle it. Maybe with a mousse can. The TT54 sure wasn't enough but both the Saito and YS were