9 MPG… help

[Caman96]

A 5.7 Vortec is capable of getting 17 mpg(HWY).

 

[99xcss4]

well that is what I am expecting any way big block tbi extended cab long bed 37s lifted at least 4:88s maybe 5:13s or 5:38s do not know yet

 

[Hipster]

well that is what I am expecting any way big block tbi extended cab long bed 37s lifted at least 4:88s maybe 5:13s or 5:38s do not know yet

marine economy figures, gallons per mile.

 

[99xcss4]

and I all ways say the smiles per gallon is way more important then mpgs even though I think in my case it will be gpm

 

[Carlosthehandyman]

and I all ways say the smiles per gallon is way more important then mpgs even though I think in my case it will be gpm

LOVE the gpm