programming 2004 silverado

06-18-2018, 01:28 PM

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programming 2004 silverado

i have a silverado v8 5.3 with a hypertext power programmer 3 and would like to know the best tune for it

06-18-2018, 02:49 PM

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Quote:

Originally Posted by pdmjlu

i have a silverado v8 5.3 with a hypertext power programmer 3 and would like to know the best tune for it

well the programmer is only going to let you do so much.