solo HPIT with zVader - help

Hi, I am trying to solo HPIT with zVader (L), TFP, Tarkin, FOO and Count Dooku. CD has high speed and potency, so should be good for TM removal. However, yesterday I got only through P1 and halfway through P2. I would appreciate any advice on how to improve the characters, or change the lineup. Here are my toons:

https://swgoh.gg/u/marcwindu/collection/

TIA, best, Marc