lost 3rd and 4th.....what are my options i take it that everyone has done this at least once.....whats the best way to go....will a 4l65e work for a 04' 5.3 4l60e? any suggestions....its got about 400hp at the motor now...rebuild the 4l60e?? kits?? probiably dont have the money to do a 4l80e swap.. ...what should i do....what have yall done???

 

i emailed tci they recommended there ultimate kit...its like 500 bucks...