Re: Tire size vs. mpg
You should have no problem getting 1 or 2 more mpg
with the 265's. I lost about 4 mpg
when I went from 265/70/17 to 375/50/18. There is a ton more unsprung rotating weight.
06 F250 4x4 ecsb, lowered 2", 6 Autometer Phantom 2's, Accufab Elbow, Zoodad, Airaid, Magnaflow 4"dp 5" pipe 7" short stack, Studs, Egr delete, sneaky pipe, regulated fuel return, 6.4 banjo bolts, Moderate FICM, High idle and foglight mods, Bilsteins, Sulastic shackles, DIY Harley headlights and traction bars. 8.76 1/8th