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Got an email from longstone tyres about cn36s

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  • Got an email from longstone tyres about cn36s

    From: Me
    Its great that you are reproducing cn36 tyres for the classic
    car market, you have listed on your website that the 185/70/13 tyres
    are for the ford RS and Mexico this is incorrect, the actual size was 175/70/13, I would like many others purchase these but size does really matter ! :-) Regards Neil

    Reply

    Dougal Cawley <dougal@longstonetyres.co.uk>
    Hi

    I predominantly agree with you. The majority of fitment guides seem to list these cars as fitting 70 profile tyres from 1975 onwards. However the fitment guide I have attached is a genuine Pirelli fitment guide from shortly after that CN36 was developed. I believe the CN36 was widely available from 1969. (though it could have come out late 68.)

    The page of fitment guide I have attached is from Pirelli Cinturato Fitment Book 1972, so at this point low profile tyres were hot off the press. Cars weren't fitting these modern low profile tyres till 1968. It could well be that when the low profile tyres came out, they fitted the biggest thing that would go in the wheel arch, and then later having done some more testing found it over tyred and realised that it handled better on a thinner tyre, and reverted down to 175/70R13. (the Triumph Stag did the same thing started on 185R14 then later cars were improved by fitting 175R14. It is a common mistake to think bigger tyres are just better, but it's often not true.)

    This isn't intended as a know it all email. I would love to learn more. Please if you know better let me know, any fitment guides, images; I really value. And if you know more about original fitment sizes and brands it will be greatly received and help me build a more factual web site, fitment guide.

    They definitely do look great though. I don't suppose you have any period pictures of Escorts on CN36?

    However back to business. Getting these tyres done was tricky, and I have managed to keep the cost of the 185/70VR13 Cinturato CN36 to less than a £ 100 + VAT, but it has been a struggle, and I don't think it will happen again. It is my intention to get Pirelli to make the 175/70VR13 Cinturato CN36 but I will be very surprised if I can keep the price down that low again (It won't be much more though).

    I shall keep you posted about developments.

    Do you think this fitment guide is wrong?

    Regards

    Dougal
    Longstone Tyres
    Hudsons Yard
    Bawtry
    DN10 6NX
    00 44 1302 711123



    So Before I reply does anyone have a brochure picture or close up specifically mentioning the Pirelli cn36s and the size fitted to the RS2000.

    Cheers Neil
    sigpic

  • #2
    Hi Neil,
    this is a photo from OYD 555V. spare with an original sticker. The Ford brocures only state 175/70 HR13 radial tyres. The photo in the standard escort brochure of the yellow RS with the wheels turned is probably the clearest photo of the CN36.

    sigpic

    Comment


    • #3
      Thanks Robert
      sigpic

      Comment


      • #4
        From memory this feature/test actually comments on the 'new' low profile P6 on the Fiat as opposed to the CN36

        sigpic

        Comment


        • #5
          You may or may not be able to see, but the only use ford has for a 185/70 13 is on the 6.5J steel wheel used for owners of an X-Pack (Escort Spezial in Germany). The 6.5JK steel was what use had to put on the X-pack in winter…

          The standard size was of course 175/70. The Mk 1 RS2000 used 185/70s, it was also the "wide" Cortina size or Capri used them but not the Mk2 Escort.
          Attached Files

          Comment


          • #6
            That is in fact true the german series x 185x70x13 cn36 was used on a steel wheel and another point of interest was it could just fit in the spare wheel well of the series x
            I have a photo here of a brand new mint wheel and tyre fitted in the car .

            Comment


            • #7
              Hi Team

              I think some of the RS, twin cam an d Mexico MK1 models would have had the 185/70R13 CN36 as an option.

              you can buy the 185/70VR13 Cinturato CN36 if you follow this link http://www.longstonetyres.co.uk/page...rato-cn36.html

              i think the CN36 came out in 1969 (possibly towards the end of 1969)

              I think the MK2 versions of this car fitted 175/70R13 PIRELLI CINTURATO CN36.

              The good news is tomorrow i am going to see the chaps at Pirelli to discuss the possibility of producing these tyres again. i will let you know how i got on.

              i also think the CN36 is a great looking tyre
              Attached Files

              Comment

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