2004 Chevy Tahoe Flex Fuel

Tiny
PHARDEN
  • MEMBER
  • 2004 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 58,000 MILES
I have a tahoe that runs on regular gas or Ethanol 85. The Ethanol 85 gives less miles per gallon but burns cleaner and gives better performance. Can I effectively raise the MPG by adding cold air intake and a new MAS? Besides these two options, you guys have any other ideas for raising the ethanol 85 MPG? Its a 5.3L V-8. Thanks!
Friday, March 28th, 2008 AT 11:17 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,386 POSTS
A cold air intake will give you more power, and lots of people claim gains of 5mpg

and a new MAS sensor can help, especially if the old one is fouled.

Also a new air filter that is high flow and a exhaust system true duals with high performance mufflers will increase gas mileage also as the engine will run more efficiently.

Also some fuel system cleaner, properly inflated tires.
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Saturday, March 29th, 2008 AT 8:23 AM

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