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Sortin through trims


James Morse

1997 XLT 4.0L 4x4 1999 Mazda B3000 2wd
Supporting Member
Joined
Aug 31, 2021
Messages
1,891
Reaction score
973
Points
113
Location
Roanoke VA
Vehicle Year
1997 and 1999
Make / Model
XLT 4x4 & B3000
Engine Type
4.0 V6
Engine Size
4.0L in XLT, 3.0L in B3000
Transmission
Automatic
2WD / 4WD
4WD
Tire Size
31x10.5-15 K02's on the Ranger, 235/75R15 on Mazda
My credo
The perfect is the enemy of the good.
Tell me if this makes any sense. It's about the B-series trucks.
02-04 The B4000 SE ran 245/75R16 but you could get and off-road pkg which basically made it to an FX, and that ran 31x10.5R15
05-08 B4000 SE ran 255/70R16 and there was no off-road package, but, the SE's came with everything that was in the off-road package before, except, not the 31" tires

I guess my question is why would they get rid of the 31" tires and is there any reason you couldn't run 31" or is it a lot different to 255/70 which is 30.1" (I realize they are different wheel sizes).
I'm thinking the 255/70's might be quieter on the road, and they're cheaper. Might not be as good off-road.
As to the why probably there is no more reason to it than anything else mfgrs seem to do year to year.
 


franklin2

Well-Known Member
Joined
Dec 24, 2019
Messages
3,348
Reaction score
1,708
Points
113
Location
Virginia
Vehicle Year
1984
Make / Model
Bronco II
Transmission
Manual
Factory had different priorities sometimes. That larger tire could have cost them a couple tenths in mpg. They have to meet minimum emissions and mpg requirements set by the gov. Just a guess. The 31 10.5 tire is 1/2 wider than the other tire also.
 

stmitch

March 2011 STOTM Winner
MTOTM Winner
2011 Truck of The Year
Joined
Jan 29, 2010
Messages
2,259
Reaction score
615
Points
113
Location
Central Indiana
Vehicle Year
2000
Make / Model
Ford
Engine Size
3.0
Transmission
Manual
Factory tire sizes don't matter on 15-20 year old trucks. Run what you want.
 

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