help

[guy87]

i have a 1999 grand prix gt transmission model code is 9BCB and i have a 99 lumina model code 8THB will that transmission work in the grand prix

[Trannyman95]

It appears that both transmissions used the same 3.29 gear ratio so you should be fine swapping the two and since both are the earlier ones you wont have to worry about cooler line problems so it should bolt right in for you.