How would you make the Eeveelutions more viable?

Here's Jolteon, using surf, flamethrower, thunderbolt and energy ball VS almost every defensive mon in the OU Viability rankings + anything else I can think off.

252+ SpA Choice Specs Jolteon Thunderbolt vs. 252 HP / 4 SpD Toxapex: 318-374 (104.6 - 123%) -- guaranteed OHKO (lol)

252+ SpA Choice Specs Jolteon Flamethrower vs. 252 HP / 4 SpD Ferrothorn: 504-596 (143.1 - 169.3%) -- guaranteed OHKO

252+ SpA Choice Specs Jolteon Thunderbolt vs. 252 HP / 56+ SpD Clefable: 201-237 (51 - 60.1%) -- 88.3% chance to 2HKO after Leftovers recovery

252+ SpA Choice Specs Jolteon Thunderbolt vs. 252 HP / 88 SpD Corviknight: 446-528 (111.5 - 132%) -- guaranteed OHKO (lol*2)

252+ SpA Choice Specs Jolteon Surf vs. 252 HP / 232+ SpD Heatran: 204-240 (52.8 - 62.1%) -- 99.6% chance to 2HKO after Leftovers recovery

252+ SpA Choice Specs Jolteon Thunderbolt vs. 252 HP / 0 SpD Tapu Fini: 344-408 (100 - 118.6%) -- guaranteed OHKO (lol part 3)

252+ SpA Choice Specs Jolteon Flamethrower vs. 152 HP / 0 SpD Buzzwole: 476-562 (121.1 - 143%) -- guaranteed OHKO

252+ SpA Choice Specs Jolteon Thunderbolt vs. 252 HP / 252+ SpD Slowking: 290-344 (73.6 - 87.3%) -- guaranteed 2HKO

252+ SpA Choice Specs Jolteon Surf vs. 252 HP / 252+ SpD Tyranitar: 208-246 (51.4 - 60.8%) -- 92.6% chance to 2HKO after Leftovers recovery

252+ SpA Choice Specs Jolteon Surf vs. 252 HP / 248+ SpD Hippowdon: 256-302 (60.9 - 71.9%) -- guaranteed 2HKO after Leftovers recovery

/r/stunfisk Thread Parent