alright so the car in question is my 2000 Si. It currently has the stock B16 jackson supercharged @ 6-7psi and usdm itr trans, but I'm in the process of building a gsr engine that will be jackson supercharged @ 9-10psi. So my question is, what would be the best gearing setup for the new motor- the usdm itr trans in the car now, a gsr trans with lsd, or itr gearing with an ls final drive and itr lsd? The car is my nice weather dd and sees some autoxing, no drag or street racing so top end is not really a concern although lower highway rpms for mpg is definitely a plus. thoughts?