ahh...a b16b is no harder to swap than ANY b series engine is...no external differences..just interal...heres a great site for spec info..http://tech.hybridgarage.com/tech/bseries.html for the $$$ your getting a great deal....and its pretty rare to have one...to get one go through any major engine supplier like...:thumbup: www.jdmhondaparts.com www.inlinefour.com www.modacar.com