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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Roush Phase2 SC SPARK PLUG GAP
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<blockquote data-quote="Mineratron" data-source="post: 1849637" data-attributes="member: 62316"><p>Roush Stage 2 uses the standard plugs, plug gap, coils and wires as its a relatively low state of tune for a boosted application (6psi). Contacted Roush about it this week as I'm about 7k km away from going the plugs and its running like they're due. The Ford parts store shows SP526X is interchangeable with the SP526. On the NGK plugs the X is the notation for the iridium tip version. I run the NGK iridium ones on all my bikes, they're hard to foul, even the smokers and they run cleaner and better for longer. Not checked the price difference. </p><p></p><p>Heat ratings and plug gaps is a minefield... narrow gaps are used for high boost applications, assume the JDM kit is much higher boost and power. Heat rating is also linked to ignition timing, no big changes to the timing, no need to bother.</p></blockquote><p></p>
[QUOTE="Mineratron, post: 1849637, member: 62316"] Roush Stage 2 uses the standard plugs, plug gap, coils and wires as its a relatively low state of tune for a boosted application (6psi). Contacted Roush about it this week as I'm about 7k km away from going the plugs and its running like they're due. The Ford parts store shows SP526X is interchangeable with the SP526. On the NGK plugs the X is the notation for the iridium tip version. I run the NGK iridium ones on all my bikes, they're hard to foul, even the smokers and they run cleaner and better for longer. Not checked the price difference. Heat ratings and plug gaps is a minefield... narrow gaps are used for high boost applications, assume the JDM kit is much higher boost and power. Heat rating is also linked to ignition timing, no big changes to the timing, no need to bother. [/QUOTE]
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Roush Phase2 SC SPARK PLUG GAP
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