SCT X4 Tuner useful?
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SCT X4 Tuner useful?
I've got an SCT X4 tuner that I used previously on a Mercury V8. Is this useful on our Super Dutys by any chance? I understand the tune file is different, but is the SCT X4 what people use when they tune their trucks? Not that I'll be tuning the truck anytime soon, but debating whether to just keep it or try to sell it on ebay.
Last edited by wcbcruzer; Nov 2, 2025 at 03:16 PM.
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