There is no such thing as a BBDET FWD tranny. You have to use the stock SR20DE tranny no matter what. But there are other options to strengthen the tranny itself to handle more power as sentragtr20 stated.sentragtr20 said:Make sure you get a tranny out of a FWD bluebird ,if you take that route..
The BBDET ONLY came with a AWD automatic and an AWD manual.
You can find out a lot more about DET swaps on www.sr20deforum.com under the Turbo section.