The 2JZ does deliver, but for the amount of money that you sink into a 2JZ swap for these cars, and for the power you make, it's more logical and feasible to do the 7M swap. There is a plethora of information about how to do the 7M swap, and that swap is the most popular one for the MkII.
The 2JZ is great, but for these cars, the 7M is the way to go.