Style chooser

hi, bro

1. can i know how to remove the speed cut and rev cut of this engine(4G92). iz Rsm Meter can do this?

2. can i use another computer box for this engine? or add v-afc ? which way is more cost-effective?

3. anyone can tell me d top speed of this engine(no modification)? 0-100km?(no modification). i heard that this engine can produce 175bhp.

4. How to differentiate whether the gear box is LSD or Non-LSD. 1.5 way or full lock? anyone can help me...