Guest Posted February 6, 2012 Share Posted February 6, 2012 if i were pondering a B20b bottom end B18c4 head conversion what Cars harbour the correct B20 engine for me to start sniffing around for?for instance the CRV has a B20 but is it the right block needed for this conversion what sepcific engine codes work for this conversion and what cars have them in?Am i getting the right end of the stick here or not is it just a B18C4 block bored out to 2litre or is it from a b20 honda engine getting this wrapped round my kneck. Quote Link to comment Share on other sites More sharing options...
simpo Posted February 6, 2012 Share Posted February 6, 2012 Pretty sure crv is right bottom end mate also my smx is a b20 its pretty much a crv just a different shell Quote Link to comment Share on other sites More sharing options...
Guest Posted February 6, 2012 Share Posted February 6, 2012 thats what i thought hmmm this could be my summer project i have spare engine might sell the bottom end and buy a b20 rebuild a nice B18c4 head B20 Bottom combo get it in ?I feel a summer time build thread coming on all this inspired by perez's green MC2 same colour as mine loving what that guys done/doing its epic. Quote Link to comment Share on other sites More sharing options...
simpo Posted February 6, 2012 Share Posted February 6, 2012 You will wanna s80 gearbox for best results Quote Link to comment Share on other sites More sharing options...
Guest Posted February 6, 2012 Share Posted February 6, 2012 yes so ive read ill do some subtle moddifications on my current B18c4 thats in there now then build up the conversion engine in my garage and aquire the parts as and when i get them at the right price. Quote Link to comment Share on other sites More sharing options...
prezes Posted February 6, 2012 Share Posted February 6, 2012 crv is your best bet, or prelude 3rd gen . be careful with b20z blocks as a little bit more power but fail more often. Quote Link to comment Share on other sites More sharing options...
Guest Posted February 6, 2012 Share Posted February 6, 2012 Epic build thread nice work prezes, is it right that you need to use an S80 with it do you feel benefits with the S9b as i have a spare S9b? Quote Link to comment Share on other sites More sharing options...
prezes Posted February 6, 2012 Share Posted February 6, 2012 Thanks mate, Well s80 has shorter ratios so better acceleration. It feels more rapid but somne say that s9b with longer ratios works well with b20... I can't say as I had my s80 fitted during the conversion. Quote Link to comment Share on other sites More sharing options...
weetec Posted February 6, 2012 Share Posted February 6, 2012 ill vouch for the S9B with a B20 conversion. awesome acceleration. a friend of mine has this setup in his eg6 civic.. literally cant touch him. Quote Link to comment Share on other sites More sharing options...
Guest Posted February 6, 2012 Share Posted February 6, 2012 interesting i have a spare box to recon then there are some interesting views about the b20 b18 conversion around the internet some say waste of time some some say cheap power gains, some also say the b20b block is not as srong as the b18c4 and that the b18 block has 1 oil squirter per cylinder making it a better choice anyone got a view on this info? Quote Link to comment Share on other sites More sharing options...
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