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2013-14 Shelby GT500
What's changed in an aftermarket "stock" tune?
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<blockquote data-quote="Dinosgt" data-source="post: 15236674" data-attributes="member: 169099"><p>I can't seem to get a clear answer on this one. For folks that get a "tune only" on their GT500, what is changed in the tune? </p><p></p><p>Since Ford has to design the car for an incredibly wide range of use, I presume some compromises are made in the tune. For example, my data logs show the factory tunes around 9.7-10.3 AFRs under boost, and throttle openings in the 60-70% range. I presume much of this is to combat detonation, and to ensure clutch protection. </p><p></p><p>Most importantly, what do you "give up" in an aftermarket stock tune? Knock protection, safe AFRs, clutch protection, etc.?</p><p></p><p>I know a lot of folks rant about the improved drivability and responsiveness in the Lund, VMP, etc tunes, so I am curious what is modified vs the trade offs/downsides. </p><p></p><p>Thanks for for any insight anyone can provide.</p></blockquote><p></p>
[QUOTE="Dinosgt, post: 15236674, member: 169099"] I can't seem to get a clear answer on this one. For folks that get a "tune only" on their GT500, what is changed in the tune? Since Ford has to design the car for an incredibly wide range of use, I presume some compromises are made in the tune. For example, my data logs show the factory tunes around 9.7-10.3 AFRs under boost, and throttle openings in the 60-70% range. I presume much of this is to combat detonation, and to ensure clutch protection. Most importantly, what do you "give up" in an aftermarket stock tune? Knock protection, safe AFRs, clutch protection, etc.? I know a lot of folks rant about the improved drivability and responsiveness in the Lund, VMP, etc tunes, so I am curious what is modified vs the trade offs/downsides. Thanks for for any insight anyone can provide. [/QUOTE]
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2013-14 Shelby GT500
What's changed in an aftermarket "stock" tune?
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