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2015+ S550 Mustangs
5.0L Coyote V8 Engine Modification/Discussion
Supercharger Installed!!
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<blockquote data-quote="Dadz500" data-source="post: 14768302" data-attributes="member: 139279"><p>The calibration certainly leaves much to be desired after driving it for a few days. Cold start ups it has a very strange idle/surge and the RPM's hang like crazy.</p><p></p><p>I spoke with Justin at VMP and he is not ready yet to perfect the tune but is working on it. I am hoping Roush will come out with a new tune quickly to at least make the car run properly.</p><p></p><p>Still makes for a very fun ride even with the couple of issues but it would be nice to get them fixed. Not to mention my MPG's have probably been cut by 50% during normal driving.</p></blockquote><p></p>
[QUOTE="Dadz500, post: 14768302, member: 139279"] The calibration certainly leaves much to be desired after driving it for a few days. Cold start ups it has a very strange idle/surge and the RPM's hang like crazy. I spoke with Justin at VMP and he is not ready yet to perfect the tune but is working on it. I am hoping Roush will come out with a new tune quickly to at least make the car run properly. Still makes for a very fun ride even with the couple of issues but it would be nice to get them fixed. Not to mention my MPG's have probably been cut by 50% during normal driving. [/QUOTE]
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5.0L Coyote V8 Engine Modification/Discussion
Supercharger Installed!!
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