Ok Iv created a similar topic a bit ago but will be getting car this Sunday and have a few questions just to be 100% sure the conversion will go smoothly.... (Now got someone with conversion knowledge helping me lol).

The D16A8 (ZC) is bit more unique when compared with normal D series so:

Basically after info about:

Engine mounts (100% same as D15)??

Drive shafts (simple swap over from D15)??

Steering rack (major job)??

Wiring harness (D16A8 OBD0 - D15B7 OBD1)??

A/C (will D15 AC everything swaps over to D16)??

(Want to bump up stock compression from 9.5:1 to hopefully at least 10:1 and increase the redline a bit)

So want opinions and info on:

Shaving/milling the head (worth it)??

Upgrading springs/retainers (yeah/no)??

Valves (who makes aftermarket ones/worth upgrading)??

Port and polishing (yeah/no)?