Help on TRX Tyres 390mm
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  1. #1
    Tadpole harshansenadhir's Avatar
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    Icon4 Help on TRX Tyres 390mm

    hi all fellow frogs,
    I need kinda advised 'n ideas with regard to a recent trouble we faced on pug 504 tyres. My best friend owns a great 504 and he needed it to be fixed with some alloys. So he asked from his father who lives in melborn to buy and ship 'em to here (Colombo Sri Lanka). As per his request his father proceeded and successfully bought a set of alloys with tyres fixed on 'em. but later we found out that those alloys are not either 15 or 14 . they are instead 15.6 which means to say 390mm TRX s. dilemma.. we found out there are no tyres with local dealers and if we try to import the cost is unbareable.
    having following facts in mind
    390 mm = 15.3543307 inch
    381 mm = 15 inch
    390-381 = 9mm
    4.5mm per side

    i thought to machine the wheels to reduce that 4.5 mm or may be at least 4 mm and fit 15" tyres assuming that 15" tyres would strech 1cm(10mm) all round... what would you guys suggest on this? would this work? some people suggested not to machine the wheels as they'll lose on strength.. but some said its okey since you're not goin on hard ralley drivin ... shed me up with some light.....

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    tks all
    regards
    Harshan Senadhira

  2. #2
    Real cars have hydraulics DoubleChevron's Avatar
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    Here's the best suggestion you'll hear.

    My Citroen CX was fitted with those god awful TRX tires. here's what you do, pull the wheels off the car, find the nearest bin and deposit them there.

    Now head to your local Bob Jane 'T'mart (that'll be hard now your car has no wheels ) and buy some aftermarket wheels is a size of your choosing that are NOT metric rims.

    On my CX I fitted 16" wheels and shod them with 215/55 performance rubber.

    My brothers fuego that had god awful TRX's with fitted 16" wheels with 215/45 rubber (from memory).

    Basically get rid of the wheels you have, TRX tires were always garbage and have only got older and more expensive.

    seeya,
    Shane L.
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  3. #3
    Gone Fishin' Ray Bell's Avatar
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    And that's the same advice you'll get from everyone here...

    Cut your losses, it was a mistake to buy those rims. And there isn't enough material to safely machine them. Sorry.

    However, there is a thread here somewhere about cutting the rims off and welding on the rims from some Japanese 16" wheels.
    Last edited by Ray Bell; 23rd March 2005 at 05:53 PM.

  4. #4
    Fellow Frogger! Jack Z's Avatar
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    Now I wonder how many Bob Jane T Marts there are in Colomobo?
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  5. #5
    1000+ Posts bowie's Avatar
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    might be one out the back of the embasy?

    Works: 1999 Volvo S40 T4, (has Choo Choo's)
    Playing: R12, SuperPos, thinks It's a race car.
    Previous: SuperGrumpy fuel spitting 504ti(ish), SuperComfortable 505 STI, SuperDoper carried my groceries Mi16
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  6. #6
    Banned orestes's Avatar
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    FWIW... i had heard of people machining them to a size where they could get tyres in the past... i don't know if this is a practice that's still caried out though

  7. #7
    1000+ Posts Wildebeest's Avatar
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    Default Help on TRX Tyres 390mm

    Harshan,
    My sympathy and that of most Froggy Forum people, goes out to your friend and his father who can't be feeling too happy after locating the wheels.
    Previous advice to bin these orphan size wheels is the best you will get!

    I'm sure the suggestion to go to Bob Jane's Tyre Mart was made tongue in cheek. Aussie humour?

    Tell your friend,don't even consider machining the wheels. He may never live long enough to father one or two of Sri Lanka's future cricketers.

  8. #8
    Budding Architect ???? pugrambo's Avatar
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    i machined one once and tried it out

    it ran on the car till i sold it

    not something i would recommend doing but it can be done

    remember these wheels are very soft to start with

    better off to get other wheels and use them as stepping stones in the garden
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  9. #9
    Banned orestes's Avatar
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    Quote Originally Posted by pugrambo
    i machined one once and tried it out

    it ran on the car till i sold it

    not something i would recommend doing but it can be done

    remember these wheels are very soft to start with

    better off to get other wheels and use them as stepping stones in the garden
    they also make good garden hose reels.





    But anyway from what i've heard and as i posted earlier there was people who had had them machined. I am not how strong they were after the fact however

  10. #10
    Tadpole
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    Harshan and for those that appreciate TRX tyres.

    Michelin have reintroduced their TRX tyres as a classic tyre.

    Available through Stuckey tyres.

    www.stuckey.com.au/new/classic.htm

    Owen

  11. #11
    Gone Fishin' Ray Bell's Avatar
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    Should we all rush out and buy up the hose reels that have been put up on fences the past three or four years?

    Wasn't there also a problem with these tyres being a bit hard and unforgiving in the wet?

  12. #12
    Budding Architect ???? pugrambo's Avatar
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    unless they improve them they aren't going to be worth getting

    i had a new set years ago and they weren't much chop in the wet

    not too bad in the dry but the yoky A509's had it all over them both wet and dry that i put on the car later

    also what price are they going to be ?

    classic tyres = limited runs = high prices

    leave the wheels on the fence
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  13. #13
    Gone Fishin' Ray Bell's Avatar
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    Yeah, probably right...

    But at least someone stuck with the wheels and liking them have an alternative now.

  14. #14
    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by Ray Bell
    Yeah, probably right...

    But at least someone stuck with the wheels and liking them have an alternative now.


    that bloke on Ebay that has a set for $250 may be lucky then
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  15. #15
    Gone Fishin' Ray Bell's Avatar
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    I certainly don't think Matt's dad will be rushing out to get them... he was very disenchanted with their wet weather capabilities.

  16. #16
    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by Ray Bell
    I certainly don't think Matt's dad will be rushing out to get them... he was very disenchanted with their wet weather capabilities.


    after my experience with them i know i wouldn't be rushing out to get a set of them

    stick with 14's or get some GTI wheels and put on the car

    either that or get some 604 wheels and put some 15x6 rims on them and go from there

    in fact if i did that i'd nearly be inclined to go a bit wider and put some real rubber on the car and possibly go to 16" wheels
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  17. #17
    Gone Fishin' Ray Bell's Avatar
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    Where is the thread about welding those surplus Jap 16" rims to the STi centres then?

    I tried search, it finds nothing... maybe you're better at it... seems the ideal option to me if you want to go that way.

  18. #18
    Budding Architect ???? pugrambo's Avatar
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    Quote Originally Posted by Ray Bell
    Where is the thread about welding those surplus Jap 16" rims to the STi centres then?

    I tried search, it finds nothing... maybe you're better at it... seems the ideal option to me if you want to go that way.


    do a search for user aquinian
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  19. #19
    Gone Fishin' Ray Bell's Avatar
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  20. #20
    Budding Architect ???? pugrambo's Avatar
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    you found it

    good boy, i knew you could do it

    now then how legal would those wheels be would be my first question as they have been modified

    would they need to be certified by an engineer ?
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  21. #21
    Gone Fishin' Ray Bell's Avatar
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    Yeah, but I should have been out working... you find out about the legalities before I get home again, eh?

    I don't think there'd be a problem, actually. And any engineer would pass them in a flash.

  22. #22
    Budding Architect ???? pugrambo's Avatar
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    rightio

    of course the other thing is you can get a set of superlites in 16" i'm sure
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  23. #23
    Banned orestes's Avatar
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    thats a damn nice idea, pity we don't have a car with TRX's

  24. #24
    WLB
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    Quote Originally Posted by Ray Bell
    Should we all rush out and buy up the hose reels that have been put up on fences the past three or four years?

    Wasn't there also a problem with these tyres being a bit hard and unforgiving in the wet?
    But very good as a run-flat tyre. I've had 1 punctured on the front left and drove for maybe 3km at speed with only a slight pull to the left. I was thinking "Bloody power steering feels like something is wrong again" when on a tight sweeping right-hander I thought I could hear something over the diesel and decided I'd better stop for a look around. TRX completely flat and too hot to touch but very little effect on the cornering. They have their qualities, but price wasn't one of them.

  25. #25
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    Quote Originally Posted by pugrambo
    unless they improve them they aren't going to be worth getting

    i had a new set years ago and they weren't much chop in the wet

    not too bad in the dry but the yoky A509's had it all over them both wet and dry that i put on the car later

    also what price are they going to be ?

    classic tyres = limited runs = high prices

    leave the wheels on the fence
    Absolutely brilliant on dirt and mud though.
    I ran a set on a standard 504 TI in an autocross a few years back and got fastest time in the wettest run of the day. 80 or so cars, many were running off the track whereas I drove round with complete grip.
    Graham

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