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Thread: Trailer Tyres.

  1. #1
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    Trailer Tyres.

    After enduring 3 blowouts on my trailer tyres on the way to and from Bathurst the other weekend, it is time to reassess what I am using on the trailer.

    I am currently using 185 R14 LT LPR103 light truck tyres from the well known F1 spec brand "lucky star".

    I was towing around 3200kg estimated.
    In theory, they should have been enough, but clearly not, blowing 3 of the 5 tyres, all relatively new tyres.

    Full suicide bomber style explosions down the Hume. Not on any particular rim or axle, all around the trailer.

    So the reasons for the failures fall into a few theories
    1) the Lucky star tyres are not quite rated to what they suggest (800kg per tyre on a dual setup)
    2) the trailer has an alignment issue (looks ok!)
    3) the tyres are rubbing on something (there is no evidence of this)

    So I am guessing option 1, that although they are rated for 800kg per tyre, they cant actually handle that amount sustained for an extended period of time.


    So, although I have already purchased the gold standard in tyre brands with Lucky Star, does anyone have any experience with other brands, or tyres that might solve this issue?

    Thanks..

    Jamie

  2. #2
    Registered User dnegative's Avatar
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    How fast were you going?
    Could of been a pressure issue and or they just overheated and let go.......... or they were just total shit Chinese tyres?
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  3. #3
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    I run the Bridgestone R623, I think in a 185R14. Do about 200-300km's a week and never had an issue. Done Adelaide to eastern Vic in fucking hot summers day running over 3t on a tandem, no signs of damage.

  4. #4
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    I initially had them at the recommended 65psi cold. After the first one exploded, we went back to 50psi coldish.

    was going 100 - 110 continually
    Last edited by cossie55; 12-02-18 at 03:05 PM.

  5. #5
    Compulsive modifier awdmoke's Avatar
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    Tyre pressure?
    Not every tyre runs at 32psi, but I'm sure Rdyno will be back with an anecdote as soon as his ban expires.
    Lots of minis & mokes including a G13b powered Sports Sedan, a couple of Swift Gtis, a Goggomobil, Porsche 928S, Polo Gti, BMW 540i, a WRX and a few others.

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    Registered User PXL265's Avatar
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    If you are running decent pressures for the load and speed, then the lucky star pinnacle of Chinese tyre manufacturing is probably not to the standards that Messrs Hamilton, Bottas, Ricciardo, et al are used to.

    I would bite the bullet and upgrade to maybe Ling Longs or Triangles if you want to stay with products from that market.

    Or look at some decent well known LT tyres from a reputable manufacturer.

    Do the tyres that didn't go bang show any funny wear patterns to indicate alignment problems???



    Sent from my XT1635-02 using Tapatalk
    Last edited by PXL265; 12-02-18 at 03:02 PM.

  7. #7
    Registered User dnegative's Avatar
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    Bridgestones are like $80 each, good for the next decade no doubt.
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    Gotta stay off the backside of the Vallelunga kerbs, mate.
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    Registered User ar3nbe's Avatar
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    Quote Originally Posted by dnegative View Post
    Bridgestones are like $80 each, good for the next decade no doubt.
    This. When I went looking for Trailer tyres, Bridgestones were like $30 a tyre more than the china spec brands.

  10. #10
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    ok, that is just the sort of info that I wanted, thanks...

  11. #11
    Registered User TRD-MX62's Avatar
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    get one of the ciggy lighter plug in TPMS jobbies to keep an eye on the trailer and above mentioned non-shit brand tires
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  12. #12
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    800kg a tyre is a bit low if you are carrying 3200kg isnt it? Thats right on the edge of what the tyres are rated to. You may have actually been slightly overweight hence the Aloha Snackbar impersonations down the highway

  13. #13
    Registered User schnitzelburger's Avatar
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    yeah that rating seems low

    got a price of china spec light truck tyres with good reviews (bloke whos fitting them tows a racecar thats worth 10 times mine)

    they are rated at 1500kgs each they will be going on a trailer with GVM 1500kgs

    cant remember the brand but getting them fitted saturday will post results of brand

    i got special plice because i am awesome but old mate usually charges $110 each fitted.

    the hankooks were $140 i think

    i was going to go for the hankooks until i asked what he uses on his trailer.
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  14. #14
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    Got Firestones on my 8x5 trailer. 185R14 LT from memory. Towed it back from Alice Springs to Adelaide with a Series Land Rover on it, must have been close to GVM for the trailer. SPeeds of up to 140kph in the NT, no dramas at all. Was running about 55-60 psi to cope with the load.

  15. #15
    Compulsive modifier awdmoke's Avatar
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    Fckuk autocorrect

    Also have your tyres been on there "a couple of years"
    i.e. since 1989?
    Last edited by awdmoke; 16-02-18 at 06:32 PM.
    Lots of minis & mokes including a G13b powered Sports Sedan, a couple of Swift Gtis, a Goggomobil, Porsche 928S, Polo Gti, BMW 540i, a WRX and a few others.

  16. #16
    Half Shafted. Madhatr's Avatar
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    Quote Originally Posted by cossie55 View Post
    I initially had them at the recommended 65psi cold. After the first one exploded, we went back to 50psi coldish.

    was going 100 - 110 continually
    That's the MAXIMUM, not the recommended. There is no recommendation on tyres because it is COMPLETELY dependent on load. If you had set them at 65 psi and overloaded them, the pressure in the tyre would have kept increasing as the tyres overheated. The more flex the sidewall faces, the hotter the tyre will get, the pressure will increase until the tyre normally delaminates due to the heat.

    Also to note, tyres frequently experience more weight than equal loads dispersed through axles. So if you have 3000kg weight on a trailer, dividing it by 4 is not going to give you the amount of load the tyre is going to experience. For trailers, in the absence of a proper indicated load spec, we were always told to give yourself roughly 30% headroom to make sure.

    If I remember correctly, the spec for tyres sold in australia required testing at speed for 24hrs at maximum indicated load. So the load rating doesn't mean for a short period of time, it means for operation.
    Last edited by Madhatr; 16-02-18 at 09:22 PM.
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  17. #17
    Registered User schnitzelburger's Avatar
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    i found this (for LTT) which might get you close https://www.oceanictrailers.com.au/c...Pressure-Chart

    try these cold pressures.
    then drive for 30mins at 100kph loaded
    5-6psi rise is where you want to be
    less of a change and the cold pressure is too high
    more of a change and the cold pressure is too low

    EDIT i would think that if the max tyre pressure is too close to the psi suggested in this table then you would have to go to a higher rated tyre seeing as you need 5-6 psi leeway.
    Last edited by schnitzelburger; 17-02-18 at 07:46 AM.
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