Lets go out on a limb and say its "possible" that it would be effective.....
You will be the only DB sittin in the Sky with downriggers out each side, alone, in the 25 yrs I've been fishin it. And I say alone for a good reason I'll be in the sled if do decide to pull this stunt.
My recomondation, set your releases very tight and bounce them balls on the bottom every once in a while, steelhead LOVE that Love ya dad......