How much better are custom tunes
05-30-2005, 09:34 AM
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Teching In
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Join Date: May 2005
Location: South florida
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How much better are custom tunes I am trying to spray on my 02 sierra and the superchip doesnt allow me to take governer off without advancing my timming. Looking for new tune possibly hypertech (will trade). All i want is my governer off and to be able to spray safely.
