re: Ownership experience Silverado/Sierra 1500 2017-2019 MY?

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5.3 liter is shite if you don’t delete the arm/dfm.

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I've put about 200,000 miles on one without deleting it. And that was the first generation. No issues on that truck other than light bulbs, brake pads, tires, and oil/transmission fluid changes.

Second gen I used Range AFM bypass, which keeps the hardware but just never lets the truck go into V4 mode. That also lasted a long time but no idea if that was because of the RANGE thing.