18" tire question - ANOTHER UPDATE
Was in this forum where someone was taking about 18' tires with a 4000lb load rating?? Trying to find them. UPDATE BELOW The pick up some nice size ricks between the lugs wh...
Forum Discussion
Fleet Ford Specs websites still shows 18"/20" wheels at 3590 lbs capacity..
Tire and rim selections has been the same for decades per FMVSS 571.110/120 for under 10k and over 10k vehicles.
And says ...S5.1 Tire and rim selection.
...***the sum of the maximum load ratings of the tires fitted to an axle shall be not less than the gross axle weight rating (GAWR) of the axle system as specified on the vehicle's certification label required ....***
snipped for length.
I've seen OEM tires capacity well above the vehicles GAWRs or the wheel ratings over the years.
Rawr includes the lessor of the vehicle mfg (not axle mfg) tires/wheels/rear spring pack/axle assy.
Increasing tire capacity gives you more tire reserve capacity. If we want more load carrying capacity the wheels/rear suspension may have to have a increase also.
Tire and rim selections has been the same for decades per FMVSS 571.110/120 for under 10k and over 10k vehicles.
And says ...S5.1 Tire and rim selection.
...***the sum of the maximum load ratings of the tires fitted to an axle shall be not less than the gross axle weight rating (GAWR) of the axle system as specified on the vehicle's certification label required ....***
snipped for length.
I've seen OEM tires capacity well above the vehicles GAWRs or the wheel ratings over the years.
Rawr includes the lessor of the vehicle mfg (not axle mfg) tires/wheels/rear spring pack/axle assy.
Increasing tire capacity gives you more tire reserve capacity. If we want more load carrying capacity the wheels/rear suspension may have to have a increase also.
