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Cobra Forums
2013-14 Shelby GT500
Correct Boost Reading Install?
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<blockquote data-quote="merkyworks" data-source="post: 16210013" data-attributes="member: 179203"><p>The factory in-dash gauge is not measuring actual pressure, it’s a calculated value for other engine parameters. At idle -10 is correct cause remember that -10 PSI and not in/hg. Your dash gauge of -20 in/hg is basically -10 psi so this is normal and I see -10 psi at idle on my car. </p><p></p><p>Again factory gauge is calculated value so your WOT boost of 16.5 psi is what your actual boost pressure. If your stock then 16.5 psi seems right. If modded the lower than expected boost could be a sign of belt slipping or tensioner not working well.</p></blockquote><p></p>
[QUOTE="merkyworks, post: 16210013, member: 179203"] The factory in-dash gauge is not measuring actual pressure, it’s a calculated value for other engine parameters. At idle -10 is correct cause remember that -10 PSI and not in/hg. Your dash gauge of -20 in/hg is basically -10 psi so this is normal and I see -10 psi at idle on my car. Again factory gauge is calculated value so your WOT boost of 16.5 psi is what your actual boost pressure. If your stock then 16.5 psi seems right. If modded the lower than expected boost could be a sign of belt slipping or tensioner not working well. [/QUOTE]
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2013-14 Shelby GT500
Correct Boost Reading Install?
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