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The Range
Law & Order
80 MPH SPEED SIGNS
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<blockquote data-quote="BReeves" data-source="post: 3287153" data-attributes="member: 10973"><p>I bought a used but unmarried DiabloSport i2 for $150.00 and installed the canned 97 tune with firm shift on my 2010 5.3 6 speed. Also disabled the Active Fuel Management crap, made all the difference in the world on how the truck behaves and how the transmission shifts. Not sure if I'm going to spend the money for a custom tune, all the Chevy forums are raving about how well the Lew tune works, more power, better gas mileage and smoother transmission shifts.</p><p></p><p>Although I thought I had, I didn't do enough research before buying the 2010. Lots of 07 - 13 owners among other issues have had cam/lifter problems caused by that stupid AFM. Was going by my experience with my 2000 260,000 mile 5.3 thinking I would get the same service. If I could do it over I would look for a low mileage pre 2007.</p></blockquote><p></p>
[QUOTE="BReeves, post: 3287153, member: 10973"] I bought a used but unmarried DiabloSport i2 for $150.00 and installed the canned 97 tune with firm shift on my 2010 5.3 6 speed. Also disabled the Active Fuel Management crap, made all the difference in the world on how the truck behaves and how the transmission shifts. Not sure if I'm going to spend the money for a custom tune, all the Chevy forums are raving about how well the Lew tune works, more power, better gas mileage and smoother transmission shifts. Although I thought I had, I didn't do enough research before buying the 2010. Lots of 07 - 13 owners among other issues have had cam/lifter problems caused by that stupid AFM. Was going by my experience with my 2000 260,000 mile 5.3 thinking I would get the same service. If I could do it over I would look for a low mileage pre 2007. [/QUOTE]
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