Rims, rims, rims: Thinking about switching to 19.5 inch diameter rims.
#16
06-29-2012, 03:39 PM
I don't think you will like the 19.5s for winter use. Very hard and slick tires (my buddy calls them forklift tires). They also tend to wander, may just be a 550 4X4 issue though.
A heavily loaded truck can benefit but someone that tows occasionally may not see a return on the $$.
My opinion is based on a 550 P/U that bumper pulls 10k. I have owned the truck for 70k and have replaced the front tires at <30k intervals. I also have my tires ground to true them up.
My rears have been replaced several times but I recently found my rear axle shifted 1/2" to the rear on the passenger side causing a major scrubbing issue. This may also have caused the fronts to wear prematurely IDK.
As said previously, the 19.5s are for vehicle weight. There is a reason that the newer 450's have a couple of tire options.
A heavily loaded truck can benefit but someone that tows occasionally may not see a return on the $$.
My opinion is based on a 550 P/U that bumper pulls 10k. I have owned the truck for 70k and have replaced the front tires at <30k intervals. I also have my tires ground to true them up.
My rears have been replaced several times but I recently found my rear axle shifted 1/2" to the rear on the passenger side causing a major scrubbing issue. This may also have caused the fronts to wear prematurely IDK.
As said previously, the 19.5s are for vehicle weight. There is a reason that the newer 450's have a couple of tire options.
#17
06-29-2012, 09:47 PM
#18
06-30-2012, 06:07 PM
All the opinions I am reading have interesting info......I too was interested to going to 19'5's or 22's. My main reason was for bigger brakes......pretty important issue if you're hauling a lot of weight.
I don't want to hy-jack this thread but can F550 brakes be swapped onto a F350?
I don't want to hy-jack this thread but can F550 brakes be swapped onto a F350?
Barney
#19
06-30-2012, 06:19 PM
#20
06-30-2012, 06:23 PM
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#21
06-30-2012, 06:25 PM
#22
07-01-2012, 04:53 PM
Are you sure the calipers were the same? According to the specifications sheets, the F-450/550 calipers have 2.36" dia pistons front and back where the F-250/350 have 2.12 pistons front and 1.75 rear.
#23
07-01-2012, 07:49 PM
#24
07-01-2012, 09:57 PM
#25
07-16-2012, 09:54 PM
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The 19.5 wheel allows for larger brakes. Tire choices will be limited since you will be mainly dealing with commercial tires. Commercial tires are made as steering tires or drive tires so that will complicate matters further. Lastly, some 19.5" commercial tires with load range F have nearly the exact same load index as the OEM 16" tires (3415 lbs). So, a commercial tire may not always be stronger than what your truck came with originally. Must look at the load index rating to be sure...
If you want higher weight capacity on a 16" tire then you can look at the Bridgestone Dueller line. A 285/75R16 can hold 3750 lbs at 80 psi. On a SRW truck that equates to a 7500 lb capacity on the rear axle. The same Sterling 10.5 SRW axle in our trucks can also be found in med duty railroad service vehicles with axle ratings all the way up to 9700 lbs so they are pretty strong units.
If you want higher weight capacity on a 16" tire then you can look at the Bridgestone Dueller line. A 285/75R16 can hold 3750 lbs at 80 psi. On a SRW truck that equates to a 7500 lb capacity on the rear axle. The same Sterling 10.5 SRW axle in our trucks can also be found in med duty railroad service vehicles with axle ratings all the way up to 9700 lbs so they are pretty strong units.
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