Really, swapping 25 hp, 15 def, 5 SPA & 5 SPD just for Volt absorb and 15 speed? The only OU pokemon Jolteon outspeeds that Raikou doesn't is weavile, and Raikou resists electric as it is, but with 30 extra base defenses.
However, never let it be said I don't at least try things out - off i go...