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SCT X4 Tuner - 2011 Expedition 5.4
Hi all, I recently picked up a 2011 and also purchased the SCT X4 Tuner. The main goal is to increase the snap between shifts and possibly some performance with the built in tunes. 2 quick questions Is there any benefit to the 87 octane tune vs. stock? What are the recommended...- efi302
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- Forum: 3rd Gen - 2007 - 2017
