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Archive for May, 2007
Wide Base Single Tires in place of Dual Tires
Posted by Ernie from So Portland, ME, US on May 28, 2007
What are the benefits of using the supersingle tires as in weight savings, cost, tread life, and fuel usage? I want to get the numbers if anyone has them.
The number will be different for everyone but here are the tradeoffs? Weight savings - can be over 1000 lbs per vehicle for wide base tires on aluminum rims if you currrently run dual tires on steel wheels. Obviously, the weight savings is not as much if you are already on aluminum rims. Cost - tire costs will vary greatly depending on what tires are purchased, use of retreads, size of fleet, etc. Treadlife - so far the trend is for wide base tires to wear faster than dual tires in a similar situation. But, the treadwear rates for the wide base tires is improving with each new design. Fuel usage - lower rolling resistance with improved fuel economy is one of the often touted features of wide base tires. Compared to a vehicle on conventional duals, the wide base tire do have an advantage but, there are fuel efficent, dual tire combinations available that are comparable in fuel mileage. Check out the Goodyear Fuel Max tires.
Steer Tire Break in
Posted by Brian from Columbia Falls, MT, US on May 23, 2007
We have several tractor/ trailer combinations that routinely haul over 100,000 lbs. It has been suggested that we “Break in” our steer tires on our drive axles for a short period of time. Thinking being that it will create a wear pattern that will last for the better part of the tires life. Is this a viable suggestion?
Steer tires are most vulnerable to irregular wear early in their working life when there is the highest tread depth. Putting steer tires on a drive position would just wear them off more quickly (and potentially more evenly) through these early miles. I suppose that could be an advantage but, if the truck is properly aligned and maintained, it should not be necessary.
Mismatched Drive Axle Tires
Posted by Michael from Fayetteville, NC, US on May 17, 2007
What safety factors are involved when you have a mismatched pair of tread pattern on the rear axle of a rear axle drive? Both tires are the same size 225/75R15.
The biggest problems could come from how much mismatched they are and the diameter difference. If one tire is an agressive drive tire and the other a rib tire, the traction differences on wet or snow covered roads might be an issue. If there is a big difference in diameter, your differential might need to work overtime to compensate for the difference in rolling circumference.
Replacement of G159 on 35′ class A motorhome`
Posted by Charles from Buckhannon, WV, US on May 3, 2007
I am replacing the G159 245/R70R19.5 tires on my motorhome and the local dealer claims that the G149 tires are a good replacement. I ask him about the G670 RV, but he was not aware of it. We occasionally take cross-country trips, and I just would like to get a second opinion.
We make the G670 RV in the size you need and it would be an excellent tire for your motorhome. You can get some more infomation here http://www.goodyear.com/truck/rv.html