You can run the JDM engines with USDM ECUs but it'll run like a USDM engine.

 

soooo if you buy a usdm motor then its fine, cause whats the big diffrence betw3een a usdm b18 and jdm b18 0r 16, a few less horses?

 

http://en.wikipedia.org/wiki/Honda_B_engine

 

this qeustions kind of off topic but i was looking at imports, 91 skylines and stuff, but is it possible to make those legal in the states cause there right hand drive and have a jdm motor? anwser is prolly no lol but how would that be possible.