Quote:
Originally Posted by GMAN
I prefer 24.5 tires. By the time you buy new wheels and tires you will spend a lot of money. I have one truck that has the low pro 22.5's that gets better fuel mileage than the truck that has the tall rubber. I think the difference has as much to do with gearing and aerodynamics than the tire size. If you decide to go with the tall rubber you might check to see if you can find someone who wants to go to the smaller wheels and is willing to trade wheels with you.
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Here's a small table that sums up the differences between my Bad Tire and the Good Tire
If anyone has any idea on why the truck was pulling towards the ditch when the Bad Tires were on, pls let me know. When I put the Good Tires on, the truck's steering became perfect (all-wheel alignment was done twice when the Bad Tires were on).
BAD TIRE
Michelin 11R22.5" XZA-3
Diameter: 41.3"
Loaded radius: 19.3"
Sidewall: 9.4" (41.3 - 22.5 / 2)
Width: 11.1"
Weight: 117.7 lbs
RPM: 502
GOOD TIRE
Michelin 275/80R22.5 XZA-3
Diameter: 40.1"
Loaded radius: 18.6"
Sidewall: 8.8" (40.1 - 22.5 / 2)
Width: 10.9"
Weight: 112.9 lbs
RPM: 518
I know when I changed from 15" rims and tires on my car to 16" ones, steering became much more sensitive. The 16" tire had the same diameter but a shorter sidewall and bigger width. I think a steer tire's width is the factor that affects truck's steering. Weight is probably important too.