alright i have a 1990 N/a RX-7 . i want to do a turbo II drivetrain but what im wondering is what is the difference and how can you tell between the N/A and TURBO II drive train. also why do people do the swap over.

 

TII drivetrain is beefier, from the tranny, clutch, driveshaft, diff and half shafts. Depending on the NA model, the TII probably has better brakes too. Why do the swap, less broken parts with a hp increase. Difference is obvious between the trannys and diffs. Both have many more and deeper ribs in the cases.
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well if the rear end is out of the car is there any way or mark i can look at to make sure its the right one .

 

right what? and depending on the model you probably have an open differential where as turbo II is limited slip

 

i heard the GXL has a lsd to but is that just a lie.