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2013-14 Shelby GT500
how much boost does the 10% lower pulley create?
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<blockquote data-quote="91svtbird" data-source="post: 12296662" data-attributes="member: 37026"><p>I used the 7000rpm limit because that is where the 2013 engine red line is set. When sizing a blower pulley you should always base it on engine RPM limiter (red line). </p><p> </p><p>There are other factors to consider about not exceeding manufacture's compressor maps. Anything above those limits will not only take the blower out of it's efficiency range but can even put the blower integrity in jeopardy.(bearings etc)</p><p></p><p>If you are exceeding those limits efficiency drops exponentially and all you are doing then is building heat.</p><p></p><p>Here is the compressor map of the 2.3TVS. You can clearly see anything above 20psi or 20,000 rpm's will take the blower efficiency completely off the map and out of range.</p><p></p><p>[ATTACH=full]380904[/ATTACH]</p><p></p><p>There are a lot of salesmen out there who will sell you anything just because it is the the newest item out there they can make money on. It doesn't mean it's the right thing for your car.</p></blockquote><p></p>
[QUOTE="91svtbird, post: 12296662, member: 37026"] I used the 7000rpm limit because that is where the 2013 engine red line is set. When sizing a blower pulley you should always base it on engine RPM limiter (red line). There are other factors to consider about not exceeding manufacture's compressor maps. Anything above those limits will not only take the blower out of it's efficiency range but can even put the blower integrity in jeopardy.(bearings etc) If you are exceeding those limits efficiency drops exponentially and all you are doing then is building heat. Here is the compressor map of the 2.3TVS. You can clearly see anything above 20psi or 20,000 rpm's will take the blower efficiency completely off the map and out of range. [ATTACH=full]380904[/ATTACH] There are a lot of salesmen out there who will sell you anything just because it is the the newest item out there they can make money on. It doesn't mean it's the right thing for your car. [/QUOTE]
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2013-14 Shelby GT500
how much boost does the 10% lower pulley create?
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