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Richard Fridd
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« Reply #1 on: 01 February, 2023, 09:45:12 AM » |
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My Coupe has 165 Michelins as no 175s at the time. Never inexpensive. Had to sell my Fulvia sedan to pay for them.
Does anyone know if those available differ when viewed in profile? The overall width of my sidewalls (section width)is certainly pronounced in relation to the footprint, even shown in the Flaminia drawing. I did use ageing 175s previously, until a blowout and would use this size again. I thought the weight of the car may influence choice but the heavier Flaminia Sedan has 165s.
Richard
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« Last Edit: 01 February, 2023, 09:47:09 AM by Richard Fridd »
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Richard Nevison Fridd Happy Lancia, Happy Life
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Richard Fridd
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« Reply #2 on: 01 February, 2023, 09:46:04 AM » |
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Drawing and also my spare. Only 100mm of the 165mm overall width represents the footprint.
Richard
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« Last Edit: 09 February, 2023, 05:24:37 PM by Richard Fridd »
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Richard Nevison Fridd Happy Lancia, Happy Life
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Kevinlincs
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« Reply #3 on: 01 February, 2023, 10:10:45 PM » |
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Modern radial tyres use an aspect ratio of 82% to calculate the sidewall height, often labelled as 80 for simplicity although not many sizes left like that. 165R13 would often be branded 165/80R13, both the same.
So if these metric ones use the same scenario then the 175 would be only slightly taller sidewall wise than the 165s, 82% of the 10mm width difference.
However given how tall the sidewalls are for such a (by todays standards) narrow width I'm not sure the 82% aspect ratio would apply.
I too will have to look into it on mine, assuming I get that far.
Has anyone used rims from other models? If indeed there are any with the same offset and PCD? Be handy if 15 or 16" wheels were available, but then it wouldn't be as intended.
Eye watering prices though! But not like you're changing them every year either I suppose.
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Flavia 815 coupe
Delta integrale
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Richard Fridd
Permanent resident
Posts: 3491
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« Reply #4 on: 02 February, 2023, 06:58:04 AM » |
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I was wondering about the 'bulging' sidewalls in the second drawing. I should have said "profile when viewed from the front or rear".
From memory the silver coloured Flaminia Coupe in my photo taken at a LMC BBQ has imperial rim measurements. Seems the stainless steel ring and hub caps fit.
I have been told that some Jaguar cars suffer from a feeling of heavy steering when fitted with different tyres to those intended. Geometry upset perhaps by saving money?
Richard
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Richard Nevison Fridd Happy Lancia, Happy Life
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Richard Fridd
Permanent resident
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« Reply #5 on: 02 February, 2023, 06:58:37 AM » |
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Details
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Richard Nevison Fridd Happy Lancia, Happy Life
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willoroe
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« Reply #6 on: 02 February, 2023, 08:52:35 PM » |
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Regarding the original question of whether to go for the expensive or the really expensive. I can vouch for the excellence of the Pirelli Cinturato. I have them fitted to my Giulietta spider and they really improve the driving experience compared to the previous spurious tyres that I had.
Not cheap though.
Willo
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1960 Flaminia PF Coupé
1962 Alfa Giulietta Spider
1969 Wolseley Hornet MkIII
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Mitka
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« Reply #7 on: 09 February, 2023, 10:44:37 PM » |
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Some good inputs!
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willoroe
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« Reply #8 on: 29 March, 2024, 04:38:28 PM » |
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Mitka,
What happened? Did you get the Pirellis?
Thanks,
Willo
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1960 Flaminia PF Coupé
1962 Alfa Giulietta Spider
1969 Wolseley Hornet MkIII
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