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  • Trailer Tires

    Has anyone gone up a size on tires in the Past. I have 205/75d/14 tires and I think they are overloaded according to the tread wear. They are rated for 1760 each laod class C. I want to go to a 225/75d/15 8 ply load range D w/capacity of 2450lbs at 65psi. Not sure this is possible with my set-up. My local trailer guys said they cant help unless I have a 6-lug hub.
    [br]1984 Mako 224[br]1977 Mako 15[br]Clermont, Florida- [br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=37212 -Rewire[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=40627 -Tank/Misc[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=58615 - Aft Box removal

  • #2
    Wear from an overloaded axle will show on the inside of the tire as cupping. An overloaded tire will result in a tire failure. So if your wear is as described above upgrading tires will do nothing. To solve the problem you need a bigger axle.

    Todd
    Mako 22b, Lost to hurricane irene and a 4\' oak tree [xx(][br]Annapolis, MD

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    • #3
      I have 225/75/15's on an enclosed trailer and they are on 5 lug wheels. I went up in size from 205/75/15's and went from buying new tires every 10,000 miles to buying them every 60,000. The trailer I put them on had room under the fenders to fit the larger tires. I don't think I could fit the same rims and tires on my boat trailer without rubbing the fenders. I think it's tough on the 14" tires always being at or close to the max weight they're rated for. I trailer alot and the 225/15's hold up great. They don't get hot and they don't squat or bulge at all like the other tires used to do.
      [br]1993 MAKO 221B SOLD / 250 YAMAHA OX66[br]1977 MAKO 25 CC PREVIOUS / TWIN 200 RUDE\'S[br]FLORIDANA BEACH, FL[br]

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      • #4
        quote:


        Originally posted by t-bone


        Wear from an overloaded axle will show on the inside of the tire as cupping. An overloaded tire will result in a tire failure. So if your wear is as described above upgrading tires will do nothing. To solve the problem you need a bigger axle.


        Todd


        At first I thought i had a bent axle do to outside treadware but the more i look and trailer both inside and out are wearing down. I know i dont have the most expenxive tires ($60) but i figured i would get more then 5000 miles. My axles are 3500lb torsion axles which are plenty for my 224.
        [br]1984 Mako 224[br]1977 Mako 15[br]Clermont, Florida- [br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=37212 -Rewire[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=40627 -Tank/Misc[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=58615 - Aft Box removal

        Comment


        • #5
          Are you running bias ply or radials. I switched to radials, solved

          all of my tire wear problems. Check out expediter.com they have

          great section on tire problems.
          John, [br]Sanford Fl[br]1987 231 Mako[br]2019 277 cobia[br]1995 17 Maverick[br]

          Comment


          • #6
            If the inside and the outside are wearing about the same then the axle isn't overloaded. What pressure are you keeping the tires? If they are wearing more on the edges it sounds like they may be under inflated.

            Todd
            Mako 22b, Lost to hurricane irene and a 4\' oak tree [xx(][br]Annapolis, MD

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            • #7
              Had a similar issue with tire wear on for our shorelander trailer for our 17. The tires came with the white sproke rims. Had two tire failures, side wall bubble and uneven tire wear. Went to local Goodyear dealer and replaced the tires with same load range "C" but good radial design. No farther issues.
              Keyman[br]Paoli, PA

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              • #8
                Tire pressure is at 50PSI cold. I always check and fix before a trailer ride. The right front tire is the worst on tread wear. I think the outsides are wearing a little more but very close to the inside tread. All the other tires are about the same with about hlaf the read wearing down already. I may try a radial as I start to switch tires out. Thanks for all the help
                [br]1984 Mako 224[br]1977 Mako 15[br]Clermont, Florida- [br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=37212 -Rewire[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=40627 -Tank/Misc[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=58615 - Aft Box removal

                Comment


                • #9
                  quote:


                  Originally posted by snappergapper


                  Tire pressure is at 50PSI cold. I always check and fix before a trailer ride. The right front tire is the worst on tread wear. I think the outsides are wearing a little more but very close to the inside tread. All the other tires are about the same with about hlaf the read wearing down already. I may try a radial as I start to switch tires out. Thanks for all the help



                  Do you hae an adjustable undercarriage that has hardware that has aged or rusted and maybe causing the carriage to move under load and on the road? If so take a measureement from the ends of the trailer beams on both sides and see if the numbers are close fore and aft. It almost sounds like you are getting some movement especially if your tires on the front is where the issue is. Your hubs and bearings could be loose too. If you can jack the trailer up, then check for any difference in the movement of the rims at each point.

                  One more point if the undercarriage is fixed is check and see if the bolts are loose or even the holes are wallowed out.

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                  • #10
                    I do not have an adjustable undercarrage as everything is through bolted. I will check those again. I do not have movement on the rim that I can tell. One thought is the hubs. I have replaced all of them and upon install I would tighten down the nut once the hub is on and then back it off a half turn or so and then insert the pin. Am I wrong thinking this? Seems when the nut is all the way tight the wheel does not rotate as freely. I am sure it is something I did upon changing everything out myself. I am going to take the trailer in for service on the break lines as those are another issue. Does it ever end... dont answer I already know.LOL I hopw the weather holds out for grouper tomorrow and I can forget about it for a day.
                    [br]1984 Mako 224[br]1977 Mako 15[br]Clermont, Florida- [br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=37212 -Rewire[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=40627 -Tank/Misc[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=58615 - Aft Box removal

                    Comment


                    • #11
                      Well a maxed out trailer will sometimes eat away the outside of the leading tire arrangement , especially in a tandem or triple axle setup too. Do you do a lot of turning mostly to one direction at slow speeds?

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                      • #12
                        No real slow turning other then in and out of driveway. The trailer was built around this 224 so it should not be maxed out. I did upgrade two tires today so I will see if that makes a difference. Can be my tires did not have any steel belt all the way across causing uneven ground coverage.
                        [br]1984 Mako 224[br]1977 Mako 15[br]Clermont, Florida- [br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=37212 -Rewire[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=40627 -Tank/Misc[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=58615 - Aft Box removal

                        Comment


                        • #13
                          Good luck, hopefully the loading is within specs for the tongue weight percentages. In fixed arrangement thats always a crap shoot. But with just one being the worse on the outside, it is my belief that when you have more wear on one side and one tire, you can narrow things down to the bearing=hub combination with maybe a bolt thats loose which also can cause some wallowing too, as long as the air is proper.

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                          • #14
                            When you say you "upgraded two tires" Did you upgrade from bias ply to radial? You don't want to mix the two on the same trailer.

                            Todd
                            Mako 22b, Lost to hurricane irene and a 4\' oak tree [xx(][br]Annapolis, MD

                            Comment


                            • #15
                              No I stayed with ply but these have a better build then the others. I am going to tighten everything I can and work with it. Will update after a few trips
                              [br]1984 Mako 224[br]1977 Mako 15[br]Clermont, Florida- [br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=37212 -Rewire[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=40627 -Tank/Misc[br]http://www.classicmako.com/forum/topic.asp?TOPIC_ID=58615 - Aft Box removal

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