Maybe, depends on which states he carries and how many votes they have. the GOP needs to go for more than a bare majority of white votes though, if it means to stay competitive. Check out Steve Sailer’s analyses over at VDARE.COM, he’s been crunching these numbers for years, and has better advice than these unscrupulous campaign consultants who make millions telling Republicans to pander and then lose anway.
Can’t post VDARE here, but I’ll look.