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Hey everybody. I'm about to order tires for my 89 F150 4x4 and I'm torn between replacing the existing 31x10.5x15 tires with the same size or going back to the factory 235/75R15 size. I'm going to reuse the 15x6 steelies as well. Does anyone have any real world comparison pics of the 2 sizes? Just curious if there's any discernable difference visually. Thanks in advance!
I made that exact change a number of years ago and I've stuck with the 235 since and don't have any complaints. Visually the taller tires look better, but it isn't a big difference. There is a load capacity difference. The shorter tires do give you a slight gearing advantage at slower speeds, while the taller tires give an advantage at hwy speeds. If you make a change, make sure your speedometer is accurate. Also the bigger tires are heavier. I will have to look and see if I have any comparative photos.
You're in luck! On my '86 I run 31x10.5 Duratracs in the summer, and 235/75 iPikes in the winter. The 31s look way better in my opinion. Of course I don't have the same shot from the same side though. Hope this is kinda what you're after
I've run 31s on 3 different 9th gen F150s for over 20 years. It has always been the first thing I've done to them after buying one. The 31 10.50 is perfect and should have been factory. There is no way I would go back to 235s from 31s. They may be the factory size, but are way too small and are better suited for Ranger and Explorer.
I've run 31s on 3 different 9th gen F150s for over 20 years. It has always been the first thing I've done to them after buying one. The 31 10.50 is perfect and should have been factory. There is no way I would go back to 235s from 31s. They may be the factory size, but are way too small and are better suited for Ranger and Explorer.
Thanks! Nobody gives you any issue about mounting a 31x10.5 on a 6 inch wide wheel?
You're in luck! On my '86 I run 31x10.5 Duratracs in the summer, and 235/75 iPikes in the winter. The 31s look way better in my opinion. Of course I don't have the same shot from the same side though. Hope this is kinda what you're after
I made that exact change a number of years ago and I've stuck with the 235 since and don't have any complaints. Visually the taller tires look better, but it isn't a big difference. There is a load capacity difference. The shorter tires do give you a slight gearing advantage at slower speeds, while the taller tires give an advantage at hwy speeds. If you make a change, make sure your speedometer is accurate. Also the bigger tires are heavier. I will have to look and see if I have any comparative photos.
Thanks! This truck won't see much use above 50 mph but I can always re gear the vss
I've run 31s on 3 different 9th gen F150s for over 20 years. It has always been the first thing I've done to them after buying one. The 31 10.50 is perfect and should have been factory. There is no way I would go back to 235s from 31s. They may be the factory size, but are way too small and are better suited for Ranger and Explorer.
I've got a nostalgic grin reading this one. You guys are so right, the 31" are perfect for the old F150's and it's what I used to run on the couple I used to own too. Choppersled, I still miss that super easy steering of those 7th gens. Many years ago now, but I still miss my 7th gen F150.
I've got a nostalgic grin reading this one. You guys are so right, the 31" are perfect for the old F150's and it's what I used to run on the couple I used to own too. Choppersled, I still miss that super easy steering of those 7th gens. Many years ago now, but I still miss my 7th gen F150.
Yes sir! This thing sat for at least 5 years and as soon as she fired up and the wheel turned I smiled. Reminded me of my grandmother's old LTD that I grew up in.
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