The regular ZDZ80 single on a simple good in cowl muffler and a 24x10 whatever prop
you can turn it up close to 8000 won't hurt it .
you may blow the plane to kingdom come - that's your problem but the weight build up will put you a little over 20 lbs
any of the 3W setups weigh more .
good engines - just weigh more ---
the real problem with these setups is the same as turning a kid loose on a Hayabusa (whatever)
you got to watch the power applications!