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Re: PLEASE tell me my MPG will improve?!
Just got to give it time.. the break in time is very important as the computer is learning your driving habbits. if you are gentle to the truck it will give you good gas milage after about 5K miles.
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2000 Silverado Z71, 5.3L, K&N GenII Air Intake, Y-pipe Exhaust (no muffler), Bosch Platnium +4 plugs, 242k miles and still running.
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