The article posted just after this one debunks any notion that evangelical hispanics vote overwhelmingly more for GOP than they do Democrat. In fact....any and all Hispanics vote overwhelmingly Democrat regardless of their religious belief
Illegal Alien Amnesty won’t win GOP Hispanic voters
I don't know the numbers on Evangelicals but we do know the numbers on the larger category of Protestant.
The Hispanics who are Protestant voted 44% Republican in 2000, and 56% Republican in 2004, and 48% Republican in 2008, so it is clear that Hispanics who are Protestant Christians, are in play.