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2011-2014 Mustangs
Power-Adders
Reputable shop recommends blower...
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<blockquote data-quote="kevinp" data-source="post: 11471082" data-attributes="member: 106826"><p>MPH will be decent, I ran 127.x with 7-7.5psi in great weather, pretty sure a centri at 7psi with the stock converter would do 120 something in the 1/4 n similar conditions. From a 60-120mph highway blast you probably wouldn't tell the difference between the two But the mph will be helped with a converter in the 1/4 mile, its all about average useable power.</p><p></p><p>You have a good guy/shop to work on it, if its a fair price get the Vortech, and in the future if you want more do headers or a converter or whatever do it. I'm not trying to sell anything, I paid retail for this Roush so I really dont need to be pimping for them. But I have gone the centri/stock converter route with a P1SC LS1 Z28 and I was really disappointed with the car until a put a converter in it, picked up 1/2 a second and 5mph in the 1/4 with that being the only change. Granted the sock converter on an LS1 F-body was tighter than these and the 1st gearing wasnt as deep but I bet the results would be similar on one of these.</p><p></p><p>I'm not trying to sell you a torque converter either <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="kevinp, post: 11471082, member: 106826"] MPH will be decent, I ran 127.x with 7-7.5psi in great weather, pretty sure a centri at 7psi with the stock converter would do 120 something in the 1/4 n similar conditions. From a 60-120mph highway blast you probably wouldn't tell the difference between the two But the mph will be helped with a converter in the 1/4 mile, its all about average useable power. You have a good guy/shop to work on it, if its a fair price get the Vortech, and in the future if you want more do headers or a converter or whatever do it. I'm not trying to sell anything, I paid retail for this Roush so I really dont need to be pimping for them. But I have gone the centri/stock converter route with a P1SC LS1 Z28 and I was really disappointed with the car until a put a converter in it, picked up 1/2 a second and 5mph in the 1/4 with that being the only change. Granted the sock converter on an LS1 F-body was tighter than these and the 1st gearing wasnt as deep but I bet the results would be similar on one of these. I'm not trying to sell you a torque converter either :) [/QUOTE]
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