tire size?? fuel mileage

[sharkstower]

what size tire for my 350 would be the very best for fuel mileage? I have 33 12.5 16.5 i like the off road look but im going to be doing allot of over the road driving possibably snow so im trying to figure my very best options... also if i need to change rim size id consider that also.

[~NASTYSTROKER96~]

wat gears does your truck have?

[sharkstower]

410
ithink

[~NASTYSTROKER96~]

you could get a 305/80/16.5 tire in a aggressive tread all terrain tire like the bf goodrich all terrain T/A KO. With your truck having the 4.10 in it, it shouldn't hurt your mileage very much.

[sharkstower]

when these trucks have 4:10 does fuel milage not change much with tire size?

[~NASTYSTROKER96~]

not really, you would have to get a pretty good size tire to effect your fuel mileage. ive got 4:10s in my 96 f250 with a 235/85/16 tire size and gets decent mileage but it turns alot of rpms with those small tires on it. im right now looking for a bigger tire for my truck. What size are the tires on your truck now?

[Redneckncali]

I also have 4:10 Gears as well on my 01 7.3L and I am tend to get 18-22 MPG and I run 35x12.5x16.5 BFG AT

[ono_55]

I also have 4.10 gears i get 17-20 miles per with 285/75/16's

[sharkstower]

33 12.5 16.5 i an trying to weight me options thinking about going with a new rim found a company that sells 19.5 for 350's.

[Big_Baker65336]

i had stock tires.. sorry 275/70/18s and would get about 19.5-21.5 mpgs. so i thought awesome if i put on a CAI and a turbo back straight pipe it would improve my mpgs greatly. But then i also upgraded my tires to 305/65/18s which is only about .4" taller but close to 1" wider and my mpgs went to crap! even with the cortex set on mileage saver i barely got 17.5 mpgs highway on my way to west virginia from Texas. Went i get back im swapping back to the 275/70s!!