Q: i want a turbo without having to change everything on the engine block

A: I agree with John Paul. For it to ge cost effective, your best option will be to do a turbo swap. Engine will be ready to go (plug and play).
Related items
- Silvia S15 Question?
- What does that Switch(near the gear) do? in my Cefiro?
- How do you like your Nissan Altima Coupe? Is the 2.5 (manual) really slow or does it have a descent pickup?
- P0430 troubleshooting code on my 2000 NISSAN MAXIMA SE??
- what could be wrong with my 2000 NISSAN MAXIMA SE turning signals?