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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Tune 2017 ford raptor - yes!!
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<blockquote data-quote="WRCRaptor" data-source="post: 1073881" data-attributes="member: 10153"><p>87 works for the Gen1 but for me there was an issue with rough idle and it was worse in below 30deg temps.</p><p></p><p>As for the Turbo engine we could argue all day about the topic but if the ECU compensates for different octane levels by lets say adjusting the timing to make up for a different burn rate of 87 vs. 91 then you will lose HP and maybe a fraction of boost pressure. Maybe only a tiny bit and not noticeable on the butt dyno but what is the longterm effect on the engine.</p><p></p><p>I am not starting a debate here just pointing a few things to think about. I would run 91 or better in my Turbo vehicle.</p></blockquote><p></p>
[QUOTE="WRCRaptor, post: 1073881, member: 10153"] 87 works for the Gen1 but for me there was an issue with rough idle and it was worse in below 30deg temps. As for the Turbo engine we could argue all day about the topic but if the ECU compensates for different octane levels by lets say adjusting the timing to make up for a different burn rate of 87 vs. 91 then you will lose HP and maybe a fraction of boost pressure. Maybe only a tiny bit and not noticeable on the butt dyno but what is the longterm effect on the engine. I am not starting a debate here just pointing a few things to think about. I would run 91 or better in my Turbo vehicle. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford F-150 Raptor General Discussions [GEN 2]
Tune 2017 ford raptor - yes!!
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