ok well i have the b16a in my crx and was wondering whats all involved in swaping in a b20 bottom end .. is that pretty much all i have to do .. or do i have to get a new trany, wiring, cutch,motormounts..ect? cuz if its just changing out the bottom end consider it done!! also to all that have them .. is it worth it?

 

well i searched honda tech for this topic before and people have asked what it takes to build one up so here are a couple sites
http://www.crvtec.com/ http://www.c-speedracing.com/

 

I'm doing the b20vtec swap myself. You can just drop the bottom end in, but if you are using the stock pistons, you can't go past +2 intake, -2 exhaust becuase the valves will come in contact with the pistons. I would order some custom pistons and have the rods shotpeened along with some ARP Rod Bolts (since nonvtec blocks have crappy rod bolts) Just my $.02