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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
SP542 Thread
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<blockquote data-quote="Dachuri" data-source="post: 1405283" data-attributes="member: 23731"><p>I just got around to changing my original OEM plugs to M1240535T, Ford Performance’s part number for the colder SP542 which is now hard to find.</p><p></p><p>I ordered my plugs from Steeda, since they were the lowest delivered price at the time. They came out of the box gapped between .025 and .027. I gapped all as close to .028 as I could.</p><p></p><p>The OEM plugs that came out of my April 2017 build look to be the SP550 if New Nick at JDM’s info above is correct since the part number on the plug CYFS12YPCT. After 21,200 miles they all came out evenly gapped, at .028 surprisingly since I believe the manual states .031.</p><p></p><p>[ATTACH]130907[/ATTACH]</p><p>[ATTACH]130908[/ATTACH]</p><p>[ATTACH]130909[/ATTACH]</p></blockquote><p></p>
[QUOTE="Dachuri, post: 1405283, member: 23731"] I just got around to changing my original OEM plugs to M1240535T, Ford Performance’s part number for the colder SP542 which is now hard to find. I ordered my plugs from Steeda, since they were the lowest delivered price at the time. They came out of the box gapped between .025 and .027. I gapped all as close to .028 as I could. The OEM plugs that came out of my April 2017 build look to be the SP550 if New Nick at JDM’s info above is correct since the part number on the plug CYFS12YPCT. After 21,200 miles they all came out evenly gapped, at .028 surprisingly since I believe the manual states .031. [ATTACH]130907[/ATTACH] [ATTACH]130908[/ATTACH] [ATTACH]130909[/ATTACH] [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
SP542 Thread
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