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I am not disputing that it runs richer in open loop as it is a failsafe. However, I don't consider high 12's (~.85LA) dumping a boatload of fuel.
Please excuse the term then. My point is that it is richer, and for it to knock/ping when it's rich, but not after it warms up and gets leaner, just doesn't make sense...see where I'm coming from?
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.