magnacharger on 2011 5.3L sierra
11-22-2011, 02:29 PM
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magnacharger on 2011 5.3L sierra
has anyone here put a magnacharger on a 2011 GMC sierra 5.3L V8, yet? I'm having problems getting a quality tune and i'm looking for advice.
11-25-2011, 09:58 AM
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What kind of gas mileage under normal conditions are you guys getting after the tune?
- The same
- 1-2 MPG less
- 1-2 MPG better
- The same
- 1-2 MPG less
- 1-2 MPG better
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