Taller or shorter tires for the track?

I run low 12's now with the MT. I am definitely going to try them both, but I figured someone must have done this at sometime. 408 stroker - 500hp, 200-4R transmission, though it never gets into overdrive on the track. I just had the transmission rebuilt and I went with a higher stall converter. I went from 2500-2800 to a PCT custom built 3500 stall. I wonder what that will do?