go with the H23.. or you can go with the 92-95 H22A. they are amazing motors! lots of power for cheap! and they weigh a good bit so the frontend will hold alittle better than alot of people might think! I had a h22a4 in my EG and that shit was quick! I was busting the balls of GSR hatches all day long! go with the H series! but i think the h22 might have a hydro tranny and your EF requires the cable shit... so it would be cheaper going with the b16... no just ignore me... LOL!