Bite/SE vs Bite/Crunxh Ttar

Keep Stone Edge.

I find Bite/SE underwhelming. I’d go for the double dark moveset and use it in good matchups.

Crunch. Double dark more useful. Rock pokemons are not as useful anymore. Only scyther raids stone edge is useful. I had some stone edge ttars but I changed them all back to crunch. Plus double dark tyranitar will stand the test of time and will always be useful.

Depends on how many other Stone Edge/Crunch Ttars you already have.

If it is your one and only, then let it be double dark moves...his current claim to fame in PoGo

Double Dark ftw, use against Zam, Gengar and Mewtwo. Also not bad for sweeping gyms that don't have DG Blissey. Though maybe don't CTM if it's not great IVs.