4 replies to this topic

[MikeRotherham]

Hello Experts,

 

I realise this topic has been done to death but after reading the faq's I'm not much wiser.

 

I have standard steel wheels with 145 70 12 tyres fitted at present.

 

I would like to fit wider tyres if possible without using spacers or modifying bodywork.

 

Can I fit 155 or 165 section tyres? Would they be 155 70 12, 165 70 12 or do they need to be lower profile i.e 60? 

 

I would like to buy some Rover minilite style alloys which I think are the same size as the standard steel wheels 4.5 would the same tyre options apply?

 

I'd welcome any advice on this.

 

Regards

 

Mike.

[jaydee]

You can use 165/60 r12 

145/70 r12 are mostly used as winter tyres

[Cooperman]

155/070 x 12 don't fit at all well. They rub on the inner wings and alter the gearing as well.

If a wider section tyre is used, it must be a lower profile, so either 145/70 x 12 or 165/60 x 12.

[MikeRotherham]

Thanks for your replies and some valuable information.

 

Looks like the 165 60 12 's are the ones to get. I think they were the size fitted to the Cabrio version.

 

Regards

 

Mike.

[Captain Mainwaring]

I used .....    http://www.miata.net...e/tirecalc.html

 

And came up with the same conclusion - I think I settled on 165 65 12 assuming it's available, if not the 165 60 12 is available...

Edited by Captain Mainwaring, 07 July 2013 - 11:25 AM.