Poor gas mileage

[The Car Stereo Company]

Wow, best gas milage ever for the Raptor 6.2L.

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I've gotten 20 mpg on the highway, driving like a little ole granny at 50 mph, just to see what I could get. Usually 17 on the hwy.

not sure how either of you got to that number. will never happen for me. im half of that

 

[momojeep13]

We never have gotten more than 13.6 MPG. All of a sudden 19 MPG WOW!

 

[CoronaRaptor]

not sure how either of you got to that number. will never happen for me. im half of that

Combined I'm around 14.2 mpg, with mostly highway driving.

 

[momojeep13]

Wife sent me picture of dash reading with 19
. That being said she told me later that the millage started coming down from there. Not sure how much yet. Will check it out next weekend. Have not installed Granetelli spark plug wires yet.