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2013-14 Shelby GT500
Change Of Plugs ?
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<blockquote data-quote="blue 07" data-source="post: 16397725" data-attributes="member: 179885"><p>Yup, blower and elbow was ported and polished over the winter. Last year just the elbow was done when TB was added, this time slightly more was honed out </p><p>Other Performance mods include-67 mm VMP throttle body, JLT Big Air CAI, VMP 2.4 upper, 90 mm idler pulley, Metco Aux Idler -</p><p>Tuner keeps throwing p300 misfire code so my tuner guy pulled out the code so wont happen, failed NH inspection</p><p>Pete at Performance Dyno has seen this many times, switching back to stock plugs has helped in most cases, never had the code till plug change, and cant get an inspection sticker with the misfire code. Putting it on the dyno next Thursday to make sure all parameters are good and see what the winter mods have done to the hp and tq. Will post results then.</p></blockquote><p></p>
[QUOTE="blue 07, post: 16397725, member: 179885"] Yup, blower and elbow was ported and polished over the winter. Last year just the elbow was done when TB was added, this time slightly more was honed out Other Performance mods include-67 mm VMP throttle body, JLT Big Air CAI, VMP 2.4 upper, 90 mm idler pulley, Metco Aux Idler - Tuner keeps throwing p300 misfire code so my tuner guy pulled out the code so wont happen, failed NH inspection Pete at Performance Dyno has seen this many times, switching back to stock plugs has helped in most cases, never had the code till plug change, and cant get an inspection sticker with the misfire code. Putting it on the dyno next Thursday to make sure all parameters are good and see what the winter mods have done to the hp and tq. Will post results then. [/QUOTE]
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2013-14 Shelby GT500
Change Of Plugs ?
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