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Hypertech Programmer 3 on a 2001 Silverado 5.3

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Hypertech Programmer 3 on a 2001 Silverado 5.3

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Old May 5th, 2015, 11:26 AM
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Default Hypertech Programmer 3 on a 2001 Silverado 5.3

Hey guys,

I recently purchased a 2001 Chevrolet Silverado Z71 5.3 extended cab pick up. The guy that sold it to me included the hypertech programmer with the truck. He reset it to factory settings before I purchased it. Anyone have any pointers on what settings are best for mpg gains? I plan to run 93 octane and add a k&n intake as well.
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Old May 7th, 2015, 3:34 PM
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Select your fuel that you run and select 50% shift firmness and that will give you the best performance and fuel economy. If you have changed tire height or rear gear you need to correct for that as well.
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Old May 8th, 2015, 11:55 AM
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Thanks for the input. So basically leave everything else as stock? Other than shift firmness, octane, and tire size?
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Old June 18th, 2018, 2:45 PM
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i have a 2004 Silverado with the same programmer, 5.3 V8, 20'' tires, what would be best for mine
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Old October 12th, 2018, 6:04 AM
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I have been using the diablosport inTune on my Chevy's for about 6 years. Great customer support, and fantastic tunes! I have the 93 octane tune, afm disabled, TCM shifts tuned, and a few other things you can customize in the settings. highly recommend
should also mention, I've been using the same physical device for six years. I just remove the tune from my truck before I sell or trade it. I actually forgot to remove the tune from my last truck, and diablosport customer support restored my device for free!
check link with a good review - https://autokwix.com/review/best-pro...silverado-5-3/
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