You are assuming, of course, that a Republican party would still exist.
If the base of CONSERVATIVES moved to that party, the Republicans would turn into a joke.
It wouldn't be long until it was back to a two-party system with Conservatives v. democraps.
And, I'm pretty sure we could beat 43% heads-up.
You have a point. This would all have to occur within one election cycle otherwise the elected Dems and repubs wll change the laws to ensure it doesn't happen. It would have to be that quick.