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Archive for December, 2007
1978 A class motorhome
Posted by Jason from Ravenna, NE, US on December 17, 2007
I have a 1978 28 foot A class motorhome the tire size is 8R17.5 I am having troubles on finding tires for it, it has the dually system so i have a total of 6 tires, the ones that it has on it now is a treaded tire, not aggressive but has the treads similar to a car, I found some rib style tires for it for a good price (new) and I am wandering what the difference the ride will give me if i go to the ribbed style. I only drive maybe 600 miles a year and only in spring and summer. I dont use it in snow and as minimal mud as possible, but i do go through gravel frequently with it. With the small amount of driving i do i dont really want to spend 1500 dollars on new tires and the ribbed style is about half the price. also i was told the ribbed style rides real rough. I was wandering also if that was true. Thankyou
The primary difference between a "rib" tire and a "lug" tire is the ability of the lug tire to provide better traction in mud or snow. A rib tire in all axle positions should be fine if you drive manly in the spring and summer and don't need winter driving traction. There would not be a significant difference in ride but the rib tires would be somewaht quieter on the highway.
Trailer Tires on Powered Vehicles
Posted by Roger from Ogden, UT, UM on December 6, 2007
We have a 30 ft fifth wheel trailer and need to know if it is safe to put 215/85R16 road range E tires on it. Why can’t trailer tires be used on powered vehicles….. Is it because of the stiffness of the sidewall or something else.
I can't speak for every tire manufacturer but, for Goodyear, all our tires of similar size have very similar casings, the basic structure of the tire. A trailer tire has a tread design that works well for free rolling, non-steering wheel positions. This means it typically has a shallow, rib-type tread design. Using this tire on a steer or drive position of a powered vehicle would not create an unsafe situation but, wet and winter traction might be something less than with a tire designed for steer or drive axles.