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ORIGINAL: GTstangB.F.D.M.
hey justin..
just wondering if its possible to edit your tune, as far as like taking off TCS, or changing tire size, etc..
thanks
-David
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Hey David, your tuner should be set up with on device adjustments, from when I dynotuned the car. If not I can email you a file.
When you go to flash the car it will ask if you want to make adjusments, hit select for yes. You can then scroll through all the user adjustable parameters. Tire size and gear ratio can be adjusted, a long with several other items. Traction control on/off is not a user adjustable option on the custom 9400, on the 05+ cars the message center will give you all kinds of errors if you disable it through the computer, so its best to use the button. On 04 and older Mustangs there are no errors from disabling it.