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best mods for 03 5.3

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Old 07-19-2009, 09:22 PM
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a tune was my best upgrade when my truck was stock
Old 07-19-2009, 09:31 PM
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First mod I did was a Tune. And it was an amazing difference.
I got my Pacesetters used off here for like $300 then an ORY for another 150 from summit. plus the rest of the exhaust cuz i got ride of what was on it.

But everything they said. Do A tune, shiftkit, servo's, Airbox mod, and if He wants more a small cam can be had for 250+- and some LS6 springs for around $55. Pushrods for another 114? and then about 7 hours of labor. (will require retune).
Old 07-19-2009, 09:49 PM
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simplest and biggest bang for the buck is nitrous.
Old 07-19-2009, 10:04 PM
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kinda what im thinking! Spray the house down!!
Old 07-21-2009, 10:05 PM
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I keep seeing you guys say corvette servos, what mod is that and what does it do?
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