going from 205/60 (what came on my truck) to 195/75 (stock size came in the bed of my truck because they're bald) AND calculating the numbers to account for it went from 21 mpg mixed to 24.5 mpg mixed. without calculating the change, there's no difference.
1991 Toyota Pickup 22R-E 2.4 I4/5 speed
1990 Toyota Cressida 7M-GE 3.0 I6/5-speed manual
mechanic, carpenter, stagehand, rigger, and know-it-all smartass
"You don't get to judge me for how I fix what you break"