I am getting ready to swap in a Ls into my EG, the Ls comes from an EK running of course OBD2 . I called to get a price on distrubutor and was told of two different models for an OBD1 set-up. Was the hell is the difference??? I was also asked by a mechanic if an OBD1 Accord would work. What and how can I find out which one I actually need???