What kind of suspension modifications have you made already? I would work on getting the car to hook before I would start changing tire sizes. A 2.2 short time is horrible.

26in tall tires and 4.10 gears shouldn't be out of the question for the 1/4 mile without having to spin the engine to the moon either. I would work on dropping some time from the first 100ft and see where you end up at the top end of the track.

Definitely remove that front sway bar for starters.