SCT Livewire WOT Fuel Mixture - Ford Mustang Forum
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post #1 of 2 (permalink) Old 07-05-2012 Thread Starter
sjwoodwalker's Avatar
Joined: Apr 2012
Location: China Spring
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SCT Livewire WOT Fuel Mixture

On my Livewire it has user adjustable options. One is WOT fuel mixture. What exactly is that? It goes from 0-14%. I know it makes it richer, but is there any benefit of it? Also what is global spark? Any help is greatly appreciated. Thanks!

2008 Mustang GT Performance White-K&N CAI, Magnaflow Magnapacks, Off-road X Pipe, Hurst Short Throw Shifter, SCT Livewire Tuner.
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post #2 of 2 (permalink) Old 07-06-2012
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A richer A/F ratio helps to cool the combustion chamber, which can reduce/eliminate pinging.
Global spark adjusts the timing for the engine's entire rpm range.

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