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sct x4

  1. SCT Canned 93 Octane - What to expect

    F150 Ecoboost Racing
    OK, so I was lucky enough to get my hands on a SCT X4. For the time being I plan to run the 93 octane tune. This Saturday I will change my plugs and boots in addition to loading the tune. I know that there is a learning period that the truck needs, 100-200 miles. My question is that once my...
  2. SCT X4 Swapped tune now truck wont start !!URGENT!!

    F150 Ecoboost Problems
    Updated the SCT device 3 days ago before I loaded the canned tune, ran that for a few days and decided I wanted to go back to Ericks LET tune. So, I plugged it in and went about it and it seemed to load fine. An hour or so later I go to hop in and start my truck, nothing. So I panicked and...