Old tyres | FerrariChat

Old tyres

Discussion in '308/328' started by davehudds, Apr 1, 2013.

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  1. davehudds

    davehudds Rookie

    Aug 3, 2011
    12
    W Yorkshire England
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    David Todd
    #1 davehudds, Apr 1, 2013
    Last edited by a moderator: Sep 7, 2017
    One for any tyre guys out there..Am i correct in thinking that the part of the dot code shown in the pic is the date 084 ie. this tyre was produced in the eighth month of the year ending in 4 (could be 74,84 or 94 as only 1 digit was used for the year until 1999) As i know this car has definately not been used since befor 1982 it would be 74
    Input anyone?
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  2. Iain

    Iain F1 Rookie

    Jan 21, 2005
    3,320
    UK
    I thought DOT numbers only came in after 1980 so I would say that is 1984. Tyres from the 90s usually have a small triangle after the DOT number.

    Either way its too old to do more than roll the car around a workshop on!
     
  3. Crowndog

    Crowndog F1 Veteran

    Jul 16, 2011
    7,042
    Fairfield,Pa
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    Robert
    Unfortunately prior to 2000 only the month was indicated in the three digit date code so the actual decade will be a guess in the US anyway.
     
  4. FasterIsBetter

    FasterIsBetter F1 Veteran

    Jul 22, 2004
    5,855
    NoNJ/Jupiter FL
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    Steve W.
    In a very real sense, what difference does it make? If you KNOW that the car has not been run since 1982, you can assume the tire are at least 30 years old. Don't even think about driving on them. Just replace them. And even if it was 1994, they are still 20 years old. Same thing. Just replace them. End of story.
     
  5. finnerty

    finnerty F1 World Champ

    May 18, 2004
    10,406
    #5 finnerty, Apr 1, 2013
    Last edited: Apr 1, 2013
    If it is a Michelin tire, which it appears to be, that tire was manufactured on the 8th week of year 1984 --- not '94 because there is no triangle, and not '74 because the TRX (I am assuming that is a "TRX" tire) did not exist then, and also they did not use the full DOT codes (such as appears on your tire) prior to 1980 :).

    Technical Info and Definitions|How do I read the DOT number?|Michelin Tires
     
  6. davehudds

    davehudds Rookie

    Aug 3, 2011
    12
    W Yorkshire England
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    David Todd
    #6 davehudds, Apr 1, 2013
    Last edited by a moderator: Sep 7, 2017
    Thanks for the responses..
    I have no intention of using these tyres, but was just interested if they were the original tyres for the car, 1974 GT4.
    I bought the car as a project with virtually no history. We know it was registered in the UK in 1982 after being imported from Europe at some point before that. At this point it was converted to RHD and repainted Red from White. But the job was never finished and it sat until 2010 when the prior owner to myself bought it with the intention of doing some hillclimbing with it. He stripped the engine checked all the tolerences, all within manufacturers specs. Had new valves guides/valves fitted, new rings, bearings All std size etc.
    But plans for him changed and he moved the car on. As the car wasn't going to be used on the road, cosmetics etc weren't important to him. The car essentially needed painting again, interior was a mess, no carpets, bits missing, broken etc.
    Since i've had it i stripped it back to bare metal, fitted a new roof panel as the original had a glass sunroof fitted (badly) had it painted, acquired an interior and am now putting it back together. It'll never be a top car, but it's mine :)
    One of the reasons i was wondering if they were the original tyres was because its showing a ridiculously low milage but we have no way of verifying it all. Other things of note, its never had a wing mirror fitted either side, which must be fairly unusual and the dino front badge is not recessed into the front panel and has not been altered at all, unless it had a new panel at the point of its original work.... Oh and no rust at all! must be rare for a euro, particularly a UK based car.
    As you can probably tell, i've not got pots of money to throw at this so it is being done on a bit of a shoestring and i'm sure it won't be winning any shows, but hey its mine and thats not going to change anytime soon :) Oh sorry about the awful pics as well!
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  7. FasterIsBetter

    FasterIsBetter F1 Veteran

    Jul 22, 2004
    5,855
    NoNJ/Jupiter FL
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    Steve W.
    Looks like an interesting project. Can't wait to see what it looks like as you progress further with the reassembly. Best of luck with it!!
     
  8. guygowrie

    guygowrie Formula 3

    Sep 19, 2011
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    ct
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    Dave,

    in the photo of the sill with the Cromadora rims fitted on the car, the tread looks like Micheliin XWX-ish and they were one of the OEM options, so its possible they are the originals, or perhaps the ones after the originals - are they Michelin's? You can still get the XWX's but they arent cheap!

    Dont apologise for the car or your work, sounds like you are doing a great job and the car is lucky to have fallen into your hands.

    As already mentioned, we look forward to photos...
     
  9. don_xvi

    don_xvi F1 Rookie

    Nov 1, 2003
    2,934
    Outside Detroit
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    Don the 16th
    Interesting story on the car, and great attitude!
    Best of luck with everything and enjoy!
     
  10. davehudds

    davehudds Rookie

    Aug 3, 2011
    12
    W Yorkshire England
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    David Todd
    Guy, Yes they are XWX's on '74 stamped rims, virtually full tread and the rubber feels like it's made from concrete complete with thousands of lovely cracks in the sidewalls. Unfortunately the original centre caps were missing, so that plus the need for expensive new tyres, its ended up with the 16" Revolutions at the moment. Though the cromadoras are still sat in the corner of the garage, the rims are actually in superb condition, never been painted either, so one day.....
     
  11. guygowrie

    guygowrie Formula 3

    Sep 19, 2011
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    #11 guygowrie, Apr 1, 2013
    Last edited by a moderator: Sep 7, 2017
    Could be the originals...why not? I have 14's on now with fresh but unexciting sumitomo's replacing ancient xwx's. once winters job's are finished i promised to fit these - Gotti 55c's.
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  12. WazzaT

    WazzaT Karting

    Oct 27, 2012
    124
    australia
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    wazza t
     
  13. davehudds

    davehudds Rookie

    Aug 3, 2011
    12
    W Yorkshire England
    Full Name:
    David Todd
    Dave, what's the chasis number? My 74 (I bought it new in 75 no.09112) had XWX's and yours sound original. It came with one wing mirror only (Chromodora Astro) and I made them supply an extra one in the deal. My Dino badge is recessed so I am guessing yours is earlier. And no rust!! Unbelievable, as some one mentioned on another post 'they were pre-rusted at the factory!'. Good luck with the restoration, it looks good so far. Waz.[/QUOTE]

    Wazza, Chassis no. is 9324. so later than yours. I'm suspecting that the front panel may have been replaced due to the non recess?
     
  14. WazzaT

    WazzaT Karting

    Oct 27, 2012
    124
    australia
    Full Name:
    wazza t
    Wazza, Chassis no. is 9324. so later than yours. I'm suspecting that the front panel may have been replaced due to the non recess?[/QUOTE]

    Maybe Dave, but I doubt it and it doesn't look like it in the photo. It seems these early models were all pretty much hand made with some surprising variety - something I like. Waz.
     

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