Okay guys. I have a 85 Brat and I am wanting to do an engine upgrade. I hear a lot about the adapter plate and see pics here and there. I am pretty mechanical so I know I can make it myself if I could just get steered in the right direction on how to make it. Now if I want to put in a Wrx 2.0 Turbo, am I going to have to upgrade to the Wrx tranny or will the stock 4 speed handle the Hp and torque? Any info will help. Thanks guys.