should I stick with a tried and true classic 30/06, 270, 7mm mag
If you can't kill it with one of those, it likely can't be killed at all. They're kind of the big 3 when it comes to elk calibers. Sure there are lots of others that will kill elk, but dead's dead and any of those 3 will get it dead.
“In a time of deceit telling the truth is a revolutionary act.” ― George Orwell
It's not over when you lose. It's over when you quit.
