Hello all. I have a 94 Z28 LT1 with OBDI. I downloaded Tunerpro, watched the Youtube intro and read the tutorial but I'm still not sure on what Bin File I need to attach to get things moving. Aside for 3.73's and shorty headers it's pretty much stock. I'm looking for the necessary attachments that go with Tunerpro so I can correct the speedometer reading from the gear swap. Any help would be greatly appreciated.