You should have no trouble wiht a voodoo, as long as it is balanced correctly and you are ready for 80+ mph.
The FX will work great. If you are on a hard tank, you can just lock the carb.
There is a conversion to one used in combat with bladders.
http://flyinglines.org/buzz.Fx25.html
I am still using a few FP 25's and their clones. When I wear them out I will be looking for FX's.
If you want a period motor the Tiger will be great, but modern engines are much better in almost every way.