My '90 b18 is seriously polluting the atmosphere and has probably melted several icebergs all by itself. Love the car but need new engine. B20 probably best choice but want vtec and someone suggested JDM H22 or H23 from Honda Prelude. Is it possible?
Thanks,
G

 

There is a DIY and How-To thread stickied at the top, go there, scroll down to engine swaps and read.

https://honda-tech.com/forums/acura-integra-6/all-gen-integra-%5Bfaq%5D-diy-write-ups-how-etc-2419202/