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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Spark knock? Really?
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<blockquote data-quote="FordTechOne" data-source="post: 1496874" data-attributes="member: 35543"><p>Spark knock typically occurs under high load conditions, such as when under heavy acceleration or when climbing a grade. Your video shows the exact conditions that spark knock will occur if the octane or tuning isn’t correct; heavy acceleration.</p><p></p><p>I wouldn’t drive the truck hard until you figure out what’s going on with the tuning; at this point for all we know the previous owner had it tuned for E85.</p></blockquote><p></p>
[QUOTE="FordTechOne, post: 1496874, member: 35543"] Spark knock typically occurs under high load conditions, such as when under heavy acceleration or when climbing a grade. Your video shows the exact conditions that spark knock will occur if the octane or tuning isn’t correct; heavy acceleration. I wouldn’t drive the truck hard until you figure out what’s going on with the tuning; at this point for all we know the previous owner had it tuned for E85. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Spark knock? Really?
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