Fuel millage

Asked by GuruWHW3N May 07, 2018 at 07:28 PM about the 1993 GMC Suburban K2500 4WD

Question type: Car Customization

Hey guys I got a 1993 GMC k2500 suburban. It’s pretty
stripped on the inside. Its got new 5.7 and a built 4L80E
transmission. I’m getting maybe 10mpg highway. What
Can I do on a budget to get better millage?

1 Answer
465

David answered 6 years ago

There's not much you can do, maybe a k&n air, the original size tires less aggressive tread. High end plugs and wires

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