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2013-14 Shelby GT500
How does ecu know to add timing
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<blockquote data-quote="2011 gtcs" data-source="post: 16646773" data-attributes="member: 121478"><p>Your tuner sets up your timing table to add timing as your RPMs climb with a max set timing he allows. Since you're on meth your tuner probably has your max timing set to 19 degrees. The point of the datalog is so he can see how the car is responding to the meth. You need to look at your knock sensors on your datalist. You want to see negative knock. If you're seeing negative knock that means the ECU is adding timing. That's what your tuner is looking at. If you see an positive knock it's pulling timing. You'll usually see up 3 degrees of negative knock on your datalist. If you're seeing that everything is good and he might allow a higher max timing.</p></blockquote><p></p>
[QUOTE="2011 gtcs, post: 16646773, member: 121478"] Your tuner sets up your timing table to add timing as your RPMs climb with a max set timing he allows. Since you're on meth your tuner probably has your max timing set to 19 degrees. The point of the datalog is so he can see how the car is responding to the meth. You need to look at your knock sensors on your datalist. You want to see negative knock. If you're seeing negative knock that means the ECU is adding timing. That's what your tuner is looking at. If you see an positive knock it's pulling timing. You'll usually see up 3 degrees of negative knock on your datalist. If you're seeing that everything is good and he might allow a higher max timing. [/QUOTE]
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2013-14 Shelby GT500
How does ecu know to add timing
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