93 octane tune 5th gen ranger

Posted 5 days ago by Bill Edinger

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Bill Edinger

Do I need a custom tune for my 5th gen ranger? I currently have an SCT 93 octane tune loaded in it. I have added a 3-in exhaust, upgraded charge pipes, high flow intake filter. I am fouling out spark plugs. Which means it's running rich. I'm currently on some NGK LTR number fives. Any wisdom out there?

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