Changing tire width 2003 Bigfoot - Fiberglass RV
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Old 08-20-2017, 07:52 PM   #1
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Trailer: 1999 Scamp 13 ft and 2003 Bigfoot 17 ft (15B17CB)
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Changing tire width 2003 Bigfoot

Our current Tow Max tires 225/75/15 are long in the tooth and we need to replace them. The local Discount Tires has Goodyear Endurance in both 205 and 225 widths. We'd like to good with the 205s in that the 225s we have now are very close to the drivers side wheel well skirt and has even worn a way a bit of it. This seems to have happened after an axle change. I see the factory plate on the outside has 205/75/14 as a tire size and I'm sure the original owner did not change from a 14 to a 15. This suggests to me that a 205/75/15 would be OK. Thanks for any thoughts or input.
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Old 08-20-2017, 08:33 PM   #2
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Name: John
Trailer: Roamer 1
Smith Valley, Nevada
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Being narrower, it might sway a bit more. But as long as it's load rating is comfortably above the weight it will carry, it will be fine.

Get the highest quality you can instead of the normal cheap ones that are so readily available.
I only exaggerate enough to compensate for being taken with a grain of salt.
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Old 08-20-2017, 10:36 PM   #3
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Name: Jack L
Trailer: Sold the Bigfoot 17-Looking for a new one
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The first number indicates the width of the tire at its widest point when it is mounted on the rim and inflated. A 225 -75-15 is 225 millimeters wide and a 205-75-15 would be 205 millimeters wide. (20 millimeters narrower) 1 inch = 25.4 millimeters
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Old 08-21-2017, 10:26 AM   #4
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Get the actual loaded weight on the tires, make sure the ones you get can carry that load. Adjust air pressure accordingly.
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