thanks for posting 1clnek,
the kokanee will be very shallow for quite some time, with 1oz sinkers and letting out up to 100' of line i'm sure there were times your lure was deeper than the kokanee on turns and low speeds, do you know what speed you were running? and if you have sonar how deep were you marking the fish?
you're using the right gear, what length of leader are you running between your dodger and squid? try experimenting with no weight and 1/4oz sinkers too, in sept and oct and in april and may i've hooked lots of kokanee long-lining with 50' of line out and no weight, i run between .5mph and 2.0mph and i slowly work my way up and down between those speeds until i find one that works, and some days the only way i can catch them is by always slowly accelerating or decelerating between those 2 speeds, also they may have just not wanted squids particularly at that moment so keep a variety of tackle on the boat and make changes when needed when fishing is slow
good luck and keep us posted