New Tires for my F450
I need new tires for my 2008 F450 C.C 4X4 Long Box 4.88 gear set. The originals are 225/70/R19.5. I would like to go to 245/70/R19.5 but the tire shop will not put them on as they say the dual tires w...
Forum Discussion
245s fit. 225s drive better. We've done the back to test using two Ram 4500s which use the same axles and wheels and OEM tires are the Fords. Spacing isn't a problem (at least not with the tires we run... there is variation). But they are a little wide for the rims, and it caused less precise steering feel. The reason we upsized was to have uniform tire sizes among the 450/5500/650's in the fleet. Easier to manage tire inventory and maintain the stock of tire chains when all the tires match.
Also keep in mind that the factory Continental HDR/HSR tires lose speed rating as you go bigger. But, they are also the only brand that even has an option faster than 75 MPH.
Also keep in mind that the factory Continental HDR/HSR tires lose speed rating as you go bigger. But, they are also the only brand that even has an option faster than 75 MPH.
