318/727 to 360/727 eng swap torque converter question

Question to abodyjoe. i was running a 318 in my 66 Barracuda, slapping in a 360block 408. i will be using the same converter (new TCI 2400) pretty sure it will balancing. How does the Weight set
P4120241 work? have you done this set one up before? what can you tell me? i have the thing ordered, just want to get my head in the game. Thanks