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David Roark

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  • Name
    David Roark
  • Location
    Texas
  • Drives
    2014 Silverado 4 door

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  1. Yeah, that is what my MPG looks like. The more miles I put on the worse it gets. I blew $220.00 letting them put chemicals in manifold to get deposits off. Did not work. Waste of money. Looking for someone to blast it with walnut shells. Otherwise, I am trading it and going to a Ram port injection e-torque engine.
  2. Best does not count. It is the average that counts. And if it is like mine, I have lost about 5-6 MPG the last 2 years with this direct injection engine. The more miles you put on, the carbon build up you will have and the worst milage you will get.
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