Chevy Silverado
Chevy Tahoe

I have a 99 Tahoe v8 5.7 Liter with Vortec I get about 13 or 14 in town How can I increase that?

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Wiki User
February 14, 2007 8:59PM

Doubt You Can Very Much. Keep It Tuned Up, And Proper Tire Inflation. Drive To Save Gas=Don`t Race To A Red Light Just To Get Caught, And Drive Smoothly Without Fast Starts. Best To You