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 | GMC Truck Forum - GMC truck talk, etc. |
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08-24-2009, 07:00 PM
| #1 |
| Junior Member Join Date: Jul 2009
Posts: 2
 | how to get more power and better gas milage on a 8.1? do any off you guys have your 8.1liter gmc or chevy trucks chiped? if so what kind of chip or programer are you using and do you like it? what about exhaust anyone using gibson? |
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08-24-2009, 07:24 PM
| #2 |
| Senior Member  Join Date: Dec 2007 Location: Grande Prairie, AB
Posts: 2,204
 | gibsons are alright as long as you get stainless, their aluminum units tend to corrode badly, i recomed a custom tune, i know the westers guy i use said his tunes REALLY wake up those 496`s. others to look into are Blackbear, wheatleys,Nelson, etc, for custom tuning. i would also recommend dynomax, corsa, or magnaflow exhausts. |
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08-24-2009, 08:57 PM
| #3 |
| Senior Member Join Date: May 2008 Location: stony plain alberta,canada
Posts: 91
| duramax conversion  |
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