I have a 1jz in a sc400 the ecu went bad. I want to get a standalone i have been told to go with the e-manage ultimate ,hks f-con even back to the stock ecu i just want 1 that will do the job for street n track and the capability to make mods with a laptop from the car (dont think the f-con does that) can i get some help please ...... Any and all info will help