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Mustang Forums
2011-2014 Mustangs
Power-Adders
2.3 roush to 2.9 whipple
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<blockquote data-quote="sambandit" data-source="post: 12103960" data-attributes="member: 8673"><p>LOL, N20, there you go!</p><p></p><p>I should qualify my remarks. Without a doubt, the 2.9 with the same pulley size is going to make more power. I have a 2.7 upper on right now. I believe slagburn dynoed with a similar size upper and made about 30-40 more hp and 40 or 50 more tq....Acutally think he made more like 70 more tflbs..... I don't even know if his upper was that small? Can't remember... But you also have to remember, with that bigger blower, with the same size pulley, it's going to make more boost. So, his car was pushing more boost to get those numbers yet it was on a simlarish size pulley.... make sense? lol</p><p></p><p>So, lb for lb I think the power is about the same, but the 2.9 definitely has more potential to move more air and will make more power with more boost because of that.</p></blockquote><p></p>
[QUOTE="sambandit, post: 12103960, member: 8673"] LOL, N20, there you go! I should qualify my remarks. Without a doubt, the 2.9 with the same pulley size is going to make more power. I have a 2.7 upper on right now. I believe slagburn dynoed with a similar size upper and made about 30-40 more hp and 40 or 50 more tq....Acutally think he made more like 70 more tflbs..... I don't even know if his upper was that small? Can't remember... But you also have to remember, with that bigger blower, with the same size pulley, it's going to make more boost. So, his car was pushing more boost to get those numbers yet it was on a simlarish size pulley.... make sense? lol So, lb for lb I think the power is about the same, but the 2.9 definitely has more potential to move more air and will make more power with more boost because of that. [/QUOTE]
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2.3 roush to 2.9 whipple
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