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Correct tyre size?

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NeilR
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2015/11/01 20:54:59 (permalink)
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Correct tyre size?

I have the original owner's manual that came with my uncle's 1970 Mk1 V6, which is interesting. It lists the original tyres as 165/13 crossply. Naturally I'm not going to go with a crosspy, but the Rostyle wheels on the car currently have 185/75R13 on them - so what is the correct tyre size for the Capri?
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    FoxyCapri
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    Re: Correct tyre size? 2015/11/01 22:39:46 (permalink)
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    The brochures of the day state that the wheels used were 5 inches wide x 13 inch rims and the GT/V6 model had 175 x 13 radial tyres fitted.

    Current ride:
    '83 Mk.3 Capri, 2.8i, 5-spd


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    FoxyCapri
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    Re: Correct tyre size? 2015/11/01 22:44:30 (permalink)
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    Here's a couple of pages from the 1970 12 page brochure and from the GT/V6 specific 2 page brochure.

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    Current ride:
    '83 Mk.3 Capri, 2.8i, 5-spd


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    NeilR
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    Re: Correct tyre size? 2015/11/01 22:47:29 (permalink)
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    Thanks for the information. What is the preferred diameter/size with modern tyres and what gives reasonable handling? 75 series are not that common any more.
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    GTV6
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    Re: Correct tyre size? 2015/11/02 00:16:11 (permalink)
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    205x60x13 if you want to go wider.  Getting harder to find but Maxxis still do them.
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    NeilR
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    Re: Correct tyre size? 2015/11/02 08:08:09 (permalink)
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    OK thanks for the information. The section size of the original tyres was not given, so I'll look that up to get the diameter. 75 section would be comfortable, but a bit baggy for handling. I have a spare set of 14" hotwires in the garage, 6" wide I think, but they'll need straightening. Will the 205/60/14 fit in the wheel arches OK?
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    GTV6
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    Re: Correct tyre size? 2015/11/02 12:12:10 (permalink)
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    It all depends on the offset.  The front guards and strut are very tight for 6in rims.  Rear not a problem.  I used to run 225's on the rear but cant get them any more in 13 in.
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    NeilR
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    Re: Correct tyre size? 2015/11/02 14:59:57 (permalink)
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    14" wheels I have are +20/22 offset from a Cortina, which might be OK.
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    MK1GTV6
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    Re: Correct tyre size? 2015/11/03 22:01:42 (permalink)
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    To settle the original query - when I picked up my 1 owner 1972 V6 a few years ago the spare in the boot appeared to be the original tyre, still on the Rostyle rim.  Dunlop SP41 - 175 SR 13.  I still have the tyre with legal tread if anyone is chasing that concourse finish. 

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    NeilR
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    Re: Correct tyre size? 2015/11/03 22:37:20 (permalink)
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    that looks very familiar. What were the aspect ratio of these tyres - I've never run crossply.
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    MK1GTV6
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    Re: Correct tyre size? 2015/11/04 00:24:11 (permalink)
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    Sorry - out of my league. Nothing else on the sidewall size wise.

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