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Hello!
I have a SCT programmer and I want to use it in a stock GT 500 Shelby 09, and I need to know what values I must to put in every RPM range. As well as also how many degrees to move the time.

I will thank you to help me with a values table.
Thank you very much!
 

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If the programmer has a "canned" tune already on it for the GT500, then you really don't need to do anything. If you want to bump timing here and there, you can, but I wouldn't without a custom tune.
 
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