Tire going round and round

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Tire going round and round

Home > Discussion Forum > Mechanic's Corner (general)

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All Messages in Thread	Author	Date
Tire going round and round	Dan Smith	10-23-01
From a local salvage yard, I've got a nice set of 19.5 Alcoa wheels with Goodyear G-159's.but...they had been removed and stored and I'm unable to tell what side/rotation they were.Should I be concerned ?
Re: Tire going round and round	Jd	10-24-01
From a local salvage yard, I've got a nice set of 19.5 Alcoa wheels with Goodyear G-159's.but...they had been removed and stored and I'm unable to tell what side/rotation they were.Should I be concerned ? I'm not a tire expert but I've heard a lot about them and here's what I've learned Radial design used to be such that the tires'd disintegrate in short order if run "backwards". Car tires were rotated front to rear only, etc. That has changed. Modern radials should be rotated so as to include a change in rotational direction. One reason why is that they develop a sawtooth tread pattern after awhile which if nothing else makes them noisy. To me, another is that reversing them makes it possible to mix/match later as parts of a set start to wear out or fail. In my opinion, if a radial is not reverse rotated fairly often in its life, starting at the beginning, it still should not be reversed. That's based on some decent looking used radials I gave a to a neighbor only to have them fail. So, my suggestions Have an experience tire man look at them and see if he can detect sawtooth and which way it has formed. I think you'll find the right man can tell you if there's such a pattern and which rotation pattern the tires have. Then based on the extent of the pattern you can decide whether to try to match rotation or not. My take would be if pattern is minimal you can either reverse or ignore. If it's pronounced I'd suggest you try to match rotational direction and hope for the best. Ideally you paid for the wheels and got the tires for not much more. I saw somewhere that Alcoa increased the offset on newer wheels because there is a wider tire available recently. Just be sure there's working space between the sidewalls of your duals. Oh, I'm jealous. I have a "C" with steel 16.5's on it and would love to latch onto six aluminum 16's. But now I guess I need to wear a new set of tires out first. I messed around with old ones till I had a blowout... God Bless, jd
Re: Tire going round and round	Dan Smith	10-25-01
From a local salvage yard, I've got a nice set of 19.5 Alcoa wheels with Goodyear G-159's.but...they had been removed and stored and I'm unable to tell what side/rotation they were.Should I be concerned ? I'm not a tire expert but I've heard a lot about them and here's what I've learned Radial design used to be such that the tires'd disintegrate in short order if run "backwards". Car tires were rotated front to rear only, etc. That has changed. Modern radials should be rotated so as to include a change in rotational direction. One reason why is that they develop a sawtooth tread pattern after awhile which if nothing else makes them noisy. To me, another is that reversing them makes it possible to mix/match later as parts of a set start to wear out or fail. In my opinion, if a radial is not reverse rotated fairly often in its life, starting at the beginning, it still should not be reversed. That's based on some decent looking used radials I gave a to a neighbor only to have them fail. So, my suggestions Have an experience tire man look at them and see if he can detect sawtooth and which way it has formed. I think you'll find the right man can tell you if there's such a pattern and which rotation pattern the tires have. Then based on the extent of the pattern you can decide whether to try to match rotation or not. My take would be if pattern is minimal you can either reverse or ignore. If it's pronounced I'd suggest you try to match rotational direction and hope for the best. Ideally you paid for the wheels and got the tires for not much more. I saw somewhere that Alcoa increased the offset on newer wheels because there is a wider tire available recently. Just be sure there's working space between the sidewalls of your duals. Oh, I'm jealous. I have a "C" with steel 16.5's on it and would love to latch onto six aluminum 16's. But now I guess I need to wear a new set of tires out first. I messed around with old ones till I had a blowout... God Bless, jd Thanks JD. What you've said pretty much echos what I've heard from several other sources.The tires are really new in appearance and I can't fell any feathering or wear pattern at all. I think they'll be alright. I'll keep an eye out for some 16"s for ya, but you'll have to do the polishing. My elbow's still "achein" and I've got one still to go ! Thanks again.