[darkside]

i think that it might make the differance as to how you end up with it running,if yur going to leave it as an efi ,u might have probs passing it,rather than a later one has more rescent emissions ,i am not sure if you can even use e series or au series,u might find yur looking at 5.4 boss from b series or even coyote from newer fpv,im certain there are differances in emission tests if u go dedicated lpgas,makes good h/p .....doc