Rod Stroke ratio is for a B20/LSVTEC is 1.54:1 , a B18C is 1.58:1 there isnt that great of a difference.... again people are fed poo by the internet... tell me this.... how come no one ever talks about the K24 Engine and how shit the rod/stroke ratio is?... because they have the same 1.54:1
what do u mean by the Revs a B16a head can reach lol?
Run a PCV breather system your frank conversion will be fine.
I think the BYP B20 have shown how reliable/quick a Frank engine can be