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SVT Shelby GT500
Help with spark plugs and blowout!!!
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<blockquote data-quote="SCGallo2" data-source="post: 16617153" data-attributes="member: 160791"><p>FWIW, I am at 19-20psi with NGK TR6s gapped at .028 and have never experienced spark plug blowout. In the past, I have experimented with NGK TR7-IX gapped at .028 and .025. The only difference between the three configurations is that I feel that the TR6s have better cold start and idle qualities when the engine is cold; once up to normal engine operating temp, I cannot tell the difference.</p><p></p><p>XP900 asked if you were getting misfire codes. That would be useful information to share.</p><p></p><p>Since your car started acting up after you installed the 15% lower, I would verify that the correct bolt and washer were installed and torqued properly. You would not be the first person experiencing random misfires from improperly installed balancer hardware.</p></blockquote><p></p>
[QUOTE="SCGallo2, post: 16617153, member: 160791"] FWIW, I am at 19-20psi with NGK TR6s gapped at .028 and have never experienced spark plug blowout. In the past, I have experimented with NGK TR7-IX gapped at .028 and .025. The only difference between the three configurations is that I feel that the TR6s have better cold start and idle qualities when the engine is cold; once up to normal engine operating temp, I cannot tell the difference. XP900 asked if you were getting misfire codes. That would be useful information to share. Since your car started acting up after you installed the 15% lower, I would verify that the correct bolt and washer were installed and torqued properly. You would not be the first person experiencing random misfires from improperly installed balancer hardware. [/QUOTE]
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SVT Shelby GT500
Help with spark plugs and blowout!!!
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