Thinking about pulling the trigger on an SCT X4 from 5 Star Tuning for my F-250. The stock transmission shifting drives me crazy when I'm towing my toy hauler, it always feels like it's hunting for gears. Have you guys tried them?
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Anyone tried 5 Star Tuning on the newer Super Dutys?
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david_butler545mo ago
Their transmission tuning is honestly where they shine the most. The engine power is great, but the way they fix the shift points makes it feel like a completely different truck, especially under load.
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I've been running their 87 tow tune for about 15k miles now with zero issues. EGTs stay well within safe limits even when I'm pulling a heavy grade. You definitely won't regret it.