AOD mustang with mods

[HiFlow5 0]

ok i have a 89 GT with a AOD, which has a b&M shift kit. i just put a new long block in with the following mods: trickflow streetheat intake, 70mm mac TB, 75mm bullit maf, 1.6 roller rockers, Crane (e type cam),underdrives, mac headers, mac offroad H, and dynomax mufflers. my car is still a dog off the line, and i get beat by a lot of ricers at the start. when i manualy shift my auto i feel more power at higher rpm's in first and second. my question is what can i do to my AOD to make it launch harder, and will a stall converter help or hurt for street use. i also plan on adding 3.73's in place of my stock 2.73's, how much will that help???

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