Need to know if B18B eng. will bolt-up to a B20A 5-speed tranny and, if so, what computer changes, etc..., will be necessary to put this set-up in my '91 'teg GS(which currently has the stock B18A eng./tranny). Also, would like to know what other eng./trans. will fit in my car w/out serious mods to eng. bay (performance minded, of course). Any and all help will be greatly 'preciated. new to tuner world, but aspiring to be....