Vintage tyre profile on GT - Alfa Romeo Bulletin Board & Forums
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post #1 of 17 (permalink) Old 09-08-2018, 03:08 PM Thread Starter
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Vintage tyre profile on GT

Hi
Checking already tyre profile for my 68Mk1 i bought-unfinished project and car not at home yet. My wish is to find S shape tyre profile like Dunlop sport CR65 on photo but i think those are not road legal.Any ideas,tyre manufacturer and model? Alu rims are MELBER 14",max tyre width 185mm.
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Last edited by franjo mokina; 09-08-2018 at 03:20 PM.
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post #2 of 17 (permalink) Old 09-08-2018, 08:35 PM
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Franjo, Blockley tyres in the UK are selling modern tires in the old Dunlop style tread pattern. Dougal at Longstone in the UK also sells Pirelli CN36s in a similar pattern. If you want to maintain the classic Alfa visual appearance, it is important that you maintain the Alfa designed tire height of 24.5 (plus/minus). The stock Alfa tire sizes in period were 155x15, followed by 165x14 and 185x70x14. All of these are within the 24.5 and-a-bit "golden mean" tire height. People often fittend wider 195x60x15s or 185x65x15s as alternative. 205x60x14's were also fitted. Whatever tire you choose, just keep within the height measurement and you'll be ok. ALso keep in mind that the wider you go with tire width the more your steering effort increases. Some people have experienced broken steering boxes as a result.

Jim . . . '72 Super 1300, '70, 1750GTV, 2nd series,
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post #3 of 17 (permalink) Old 09-10-2018, 01:22 AM Thread Starter
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Thanks,Pirelli CN36 looks like winter profile to me...i am looking S shape as on photo. Tire height 24.5 i guess inch?

Franjo
http://www.alfafranjo.com/
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post #4 of 17 (permalink) Old 09-10-2018, 04:31 AM
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You want dougal....

Hes bound to know everything about the tyre in question, when a nd where it is made and why you should get the pirelli or Michelin instead

Im just playing, he knows his stuff.. hope he chimes in
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post #5 of 17 (permalink) Old 09-11-2018, 07:24 AM Thread Starter
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Vintage tyre profile on GT

...web photo-fantastic tyre.
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post #6 of 17 (permalink) Old 09-11-2018, 09:32 AM
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Hi Franjo. Those amazing. What are they? I assume race track only?

1973 GT Jr.
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post #7 of 17 (permalink) Old 09-11-2018, 10:56 AM
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One observation is they look awesome on a mrk1 with the aggressive front end. I wonder how they might look on a a later smooth nose (mine is a 1973 junior being restored). Looked on the web but can’t find.

1973 GT Jr.
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post #8 of 17 (permalink) Old 09-11-2018, 11:50 AM
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Don't know how much this helps but pic below of my car fitted 185/70 x 14 Dunlop sports on Melber 14x6 rims. Lowered suspension with handling kit.


Hope you have the correct centre caps because I couldn't find any aftermarket to fit the front. Old ones responded well to a cleanup and respray in wheel silver and lacquer.


I think there are more recent photos in the 'what wheels suit .' thread
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post #9 of 17 (permalink) Old 09-19-2018, 03:06 PM
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Would Vredestein Classics suit? https://www.vredestein.co.uk/classic...sprint-classic

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post #10 of 17 (permalink) Old 09-19-2018, 11:07 PM Thread Starter
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Bertiebloke-185/70 x 14 Dunlop sports on Melber 14x6 rims-please post more photos,are they street legal?

Franjo
http://www.alfafranjo.com/
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post #11 of 17 (permalink) Old 09-20-2018, 12:04 AM
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Have you had a look at:
Avon CR6ZZ
CR6ZZ | Avon Motorsport

The ones on the red and yellow car look like:
Dunlop CR65
https://www.longstonetyres.co.uk/vin...op-racing.html

I don't think they are road legal, but Dougal would confirm.

Personally I would go with the Pirelli CN36. It looks just right.

Incidentally I have been running 195/70/14 Goodyears on a lowered 1750 mark 1 and have had no clearance issues. That's on 6 x 14" GTA replicas. I love the deep sidewall balloon look!
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1750 GTV Mark 1
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post #12 of 17 (permalink) Old 09-21-2018, 07:18 AM
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Quote:
Originally Posted by franjo mokina View Post
...web photo-fantastic tyre.
Franjo, they are an old Dunlop Racing CR65 tyre with that pattern, they are still available (see Longstone's website, but are more than 200 each for a 15").
They don't show any available in 14", and of course they are crossply, and for track use only.

Most Alfa 105 racers in the UK now use Avon CR6ZZ, which have a very similar look, but they're still upwards of 200 for a 185 x 70 x 14"

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post #13 of 17 (permalink) Old 09-21-2018, 09:22 AM
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Avon CR6ZZ

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post #14 of 17 (permalink) Old 09-21-2018, 09:30 AM Thread Starter
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Vintage tyre profile on GT

I am shure those Dunlop sport are 14"
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post #15 of 17 (permalink) Old 09-21-2018, 02:16 PM
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Dunlop Racing are available in 15" but not recommended for road use ...

https://rogerkrausracing.com/pdfpric...-2018.-pdf.pdf
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