I have a GSR motor and B16 motor complete. I was planning on just rebuliding the GSR for turbo. 84mm, new pistons, rods ect. and for the head just change to ITR valvetrain and keep GSR cams. Would you guys use the B16 over this one? Is there really THAT much more flow with the B16 head? thanks for any help.

If you had both motor and had to make ONE motor to use for turbo, what parts would you use from both of these motors?