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Old 11-19-2006, 07:22 PM   #15
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did ya click on the photo in the last post for a close up?

see anything unusual about the left tire?

how about a closer view here.....

now what do those experienced with tire inspections think?

one fellow at the dealership felt that brake must have hung a little and skidded the tire...

another guy felt the diagonal pattern of wear wasn't skidding but an early sign of tread separation...

the other 7/8s of the tire does not show this pattern, but rather pretty even ware...

his opinion was, that as the tread lifts it will wear more in that location. folks don't usually see this happening because they don't take the wheel off and roll it around looking...

i don't know from adam, but i am glad i swapped tires when i did...

i also failed to inspect the inside of this tire...in retrospec i wish i'd take a knife to it, cut it up and inspected more closely...

cheers
2air'
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Old 11-19-2006, 07:24 PM   #16
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Quote:
Originally Posted by 2airishuman
see anything?

cheers
2air'
I see that the tires are worse than they looked while on your trailer. Are both the badly worn tires on the same axle?
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Old 11-19-2006, 07:26 PM   #17
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In the photo of the tire above, is that a nail sticking out of the tread just above the worn area?
If so, the nail was the likely culprit for the separation.
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Old 11-19-2006, 07:26 PM   #18
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Yea.
And there looks like a couple of slick spots?
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Old 11-19-2006, 07:27 PM   #19
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Quote:
Originally Posted by markjoandall
2Air,

Do you have a broken belt on the tire on the left?

It sure looks like one I replaced a couple of years ago.

Mark
great idea mark...

i honestly don't know, but that would fit with the pattern too and lead to separation as i understand it...

sure wish i had disected that tire...

the others still had 6/32nds in most areas but given they had 31k+ miles why push it?

terry i understand triple axles are harder on tires, with turning and scuffing issues.

keeping them at 65psi is a big plus in my opinion and sure didn't cause increased wear along the center...

cheers
2air'
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Old 11-19-2006, 07:31 PM   #20
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Quote:
Originally Posted by overlander63
I see that the tires are worse than they looked while on your trailer. Are both the badly worn tires on the same axle?
hi terry...

sorry for the confusion but both worn tires are the SAME tire...just 2 pics of it....

and there is some whitish debris in the picture on the tire but thankfully no nails, screws or other punctures.....

really i looked closely at all 6 tires and there were only a few cuts in the block tread as one might expect. no signs of any punctures.

and never any air pressure loss beyond 1-3 psi drops in the cold months...

cheers
2air'
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Old 11-19-2006, 07:33 PM   #21
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One last question: When you had the tires rotated, do you know if the tires were ever moved from side to side, or only front to rear?
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Old 11-19-2006, 07:41 PM   #22
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now for the new tires....

please folks continue to inspect the old rubber and offer opinions...

i was happy to get that sort of mileage in just 18 months of trailer usage...

clearly 4-5 of the tires could have rolled another 20,000 miles at slower speeds and with lesser loads...

but that sort of dollar stretching is 'penny wise and pound folish' ...

so the new tires went on....

the factory does used balanced tire/wheels in production...

but they only have weights on the inside wheel lip...

does that matter on trailer wheels? i don't know....

i also did not have them rebalanced during the 30k choosing to rotate them regularly...

my new tires have the weights on the outer lip as is commonly done...

so can i get better mileage with the next set?

how about trying a set of centramatics?

ok i bit...6 of 'em...

here is a shot of the hubs with them going on...

and the wheels with new tires in place...

yes i retightened the lugs at 25, 50 and 100 miles...

and again at 500...95ft/lbs for my alcoa wheels...

cheers
2air'

cheers
2air'
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Old 11-19-2006, 07:46 PM   #23
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Quote:
Originally Posted by overlander63
One last question: When you had the tires rotated, do you know if the tires were ever moved from side to side, or only front to rear?
the rotations were front to back, back to middle and middle to front each time...

on the same side....

i considered cross rotations but couldn't sort out a good pattern for 6 tires. doing the rotations at 10k is much longer than my usual 3-5k on cars and trucks but the factory did the rotations and their advice was keep em on the same side...

cross rotation would be problematic for home diy, because both sides of the trialer would be lifted. i know you know this already...

cheers
2air'
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Old 11-19-2006, 07:53 PM   #24
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ok i'm about done here...

please keep posting whatever comes to mind...

how about a closer view of the new marathons?

goodyear has changed the sidewalls some...

a small 'rub' band and the date info is now on the outer sidewall...

also the serial numbers of each tire are easier to find...

and a new goodyear logo...cool.

they also advertise that uv protection has been added upping the lifespan...

tread, belts and so on are unchanged...

i intend to wear these out too...no long term parking for me...

now what is that THING in between these tires?

another new gadget...

i'll save that for a different thread...

thanks for reading and all of the comments...

i've been very happy with the performance of my 180,000 mile marathons..

cheers
2air'
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Old 11-19-2006, 10:56 PM   #25
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post 15 pic

looks like a "flat spot" to me, at least thats what us roundy rounders would call it. Caused by locking up the brakes or spinning out coming off turn 4. You been racing that thing 2 air?
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Old 11-19-2006, 11:03 PM   #26
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Those flat spots look just like those on 2 out of 4 of my previous set of tires, Marathon's.
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Old 11-19-2006, 11:05 PM   #27
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so you guys race these things! man sign me up!
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Old 11-19-2006, 11:15 PM   #28
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Caused by locking up the brakes or spinning out coming off turn 4. You been racing that thing 2 air?
well doorgunner you've let the secret out...

for me it's coming out of the s curves into that short riser...

but i never touch the brakes...

cheers
2air'
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