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SVT Shelby GT500
2012 GT500 Issues with Knock/Fixing False Knock
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<blockquote data-quote="MelloStang2010" data-source="post: 15873738" data-attributes="member: 180084"><p>I'm still working with VMP on the issue. At this point I think they just nerfed the tune to cover themselves because they aren't here and cant physically see what the car is doing so they just want to be safe while the knock sensors are still active which I understand. So fixing the knock sensor issue is my main focus, if I can find the source that's causing it and fix it VMP will be able to actually tune the car. I attached two datalogs below one from being on the street and the other on the dyno from yesterday. I cant hear any noises that are indicating that the engine itself is detonating but the exhaust is pretty loud and hard to hear over. </p><p></p><p>In the next few weeks the car is getting a new clutch, driveshaft, mgw shifter, and motor mounts (for the whipple that will be going on the car after the clutch is broken in) so the exhaust will come apart for that and we will try and be as diligent as possible reassembling everything. I was hoping for more ideas of what can cause false knock other than an exhaust rattle. Only other think I can think of is the sway bar due to how it attaches to the axle housing that its transmitting vibrations but it would have to be an insane amount to go through the diff, driveshaft, and transmission to disrupt anything.</p></blockquote><p></p>
[QUOTE="MelloStang2010, post: 15873738, member: 180084"] I'm still working with VMP on the issue. At this point I think they just nerfed the tune to cover themselves because they aren't here and cant physically see what the car is doing so they just want to be safe while the knock sensors are still active which I understand. So fixing the knock sensor issue is my main focus, if I can find the source that's causing it and fix it VMP will be able to actually tune the car. I attached two datalogs below one from being on the street and the other on the dyno from yesterday. I cant hear any noises that are indicating that the engine itself is detonating but the exhaust is pretty loud and hard to hear over. In the next few weeks the car is getting a new clutch, driveshaft, mgw shifter, and motor mounts (for the whipple that will be going on the car after the clutch is broken in) so the exhaust will come apart for that and we will try and be as diligent as possible reassembling everything. I was hoping for more ideas of what can cause false knock other than an exhaust rattle. Only other think I can think of is the sway bar due to how it attaches to the axle housing that its transmitting vibrations but it would have to be an insane amount to go through the diff, driveshaft, and transmission to disrupt anything. [/QUOTE]
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SVT Shelby GT500
2012 GT500 Issues with Knock/Fixing False Knock
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