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Thread: 2004 Silverado tuning question.

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  1. 02-17-2008 04:13 AM #1
    DBYRD Guest

    2004 Silverado tuning question.

    How many mpg's can a tune add to a stock 4.8l? im trying to convince my dad he needs a tune on his truck and was just seeing what u guys thought. i dont care about the brand of tune at this time, just estimates on mpg. when the time comes ill talk to him about brands. leaning towards nelson on this one tho.
    Last edited by DBYRD; 02-17-2008 at 04:18 AM.
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