First thing I'd do is ditch the TB spacer. Those things supposedly helped carburated vehicles, but I've never read anything that says they help a fuel injected vehicle.
I'd recommend two tunes, optimized for the kind of driving you do. Pretty much what JWBFX4 recommended. And, I'd keep the 93 canned tune too. Make sure Bill knows your driving is mostly highway.
- Jack
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2014 F150 Platinum SCrew 3.5L EcoBoost 4x4 with SCT programmer
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