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Search TiresQ/A ArchivesAugust 2008
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Tim Miller Tim Miller has been with Goodyear for over 30 years. He spent 8 years as a tire design engineer before taking positions as a technical representative to original equipment customers Freightliner...more»»
REPLACEMENT BECAUSE OF AGE? I HAVE A 2002 MOTORHOME WITH ORIGINAL 245/70R19.5 GOODYEAR TIRES. STILL HAVE OVER 1/2 TREAD LEFT AND NO WEATHER CRACKS IN SIDEWALL. I HAVE BEEN TOLD I SHOULD REPLACE JUST BECAUSE THE TIRES ARE OVER 5 YEARS OLD. If there are no signs of weathering on your tires, there is no reason to replace them. I suggest you have a tire professional take a look at them if you feel you may not know how a "weathered" look appears.
Irregular Tire Wear I just replaced all six of the tires on my 2000 36S Bounder which is on the Ford F53 20,500lb chasisis. My old tires were Goodyear G670 245 70R 19.5 F rated and were 7 years old with 25,000 mile on them. My question is what would cause only the passenger tire to wear more on the outside edge? The rest of the tires wore evenly and my motorhome runs straight and true, I ‘ve had a alignment done when the motorhome was new. What is causing this wear pattern and what can I do to prevent this from happening to my new tires ? Despite having an alignment job done when the motorhome was new, my guess is that something happened during the next 25,000 miles that may have created misalignment (probably a toe or camber problem). With new tires on the motorhome now, I would have the alignment checked and corrected if needed.
Nitrogen 1 ping! Wow, what a list of questions. First, I don't think that 1.6 psi is significant (5% of the total inflation pressure). Second, It is true that it is very common for the dryers on compressors to not work (or not work properly) so, moisture in the tire can be a problem (create greater pressure buildup). Last, I really don't know which is less expensive but, my guess is that it would be cheaper to maintain the dryer on the compressor than to buy the N2 equipment.
Retreaded Tires on Petroleum Haulers Are retreaded tires recommended for use by tank trucks or fuel oil lorries? If yes, what standards should be met to allow its safe use. I did a little research and found that there are no laws or restrictions on using retreaded tires on vehicles that haul gasoline or fuel of any kind. The standards for these retreads would be no different than those for tires on any other commercial vehicle.
Wide Base Single Tires in place of Dual Tires 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. |
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