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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
14 on3 twin turbo dyno graphs - valve float?
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<blockquote data-quote="Riddick" data-source="post: 16641199" data-attributes="member: 143188"><p>Kevin is very knowledgeable, I would definitely listen to him on what he thinks the issue is.</p><p></p><p>The power does seem to drop off rather quickly, even if you are running the stock IM. Here are the first things that come to mind I would look into:</p><p> What was your boost doing when power dropped. Did it hold 5.8psi all the way up?</p><p></p><p> Any knock or fueling issues, what kind of timing are you running? Im assuming Kevin already ruled this out but just throwing it out there.</p><p></p><p> I dont think your having a valve spring issue at this power/boost level. What size exhaust housings are you running? If they are small it could be a restriction causing a power loss.</p></blockquote><p></p>
[QUOTE="Riddick, post: 16641199, member: 143188"] Kevin is very knowledgeable, I would definitely listen to him on what he thinks the issue is. The power does seem to drop off rather quickly, even if you are running the stock IM. Here are the first things that come to mind I would look into: What was your boost doing when power dropped. Did it hold 5.8psi all the way up? Any knock or fueling issues, what kind of timing are you running? Im assuming Kevin already ruled this out but just throwing it out there. I dont think your having a valve spring issue at this power/boost level. What size exhaust housings are you running? If they are small it could be a restriction causing a power loss. [/QUOTE]
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Engine/Tuning
14 on3 twin turbo dyno graphs - valve float?
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